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The KCC’s environmental management policy

The KCC shall strive in earnest to be a sustainable company through eco-friendly activities under the management philosophy of “Creating Value for a Better Life for All.” With the establishment of the environmental management policy, the KCC is committed to fulfilling the environmental responsibility and role of mitigating environmental impacts may occur across the supply chain and business. The policy's scope shall be applied to the headquarters (HQ), domestic and overseas production and sales corporations, and affiliates. The suppliers, joint ventures (VCs), and others are also recommended to comply with the policy.

Article 1. Production

① The KCC shall spare no effort to prevent environmental pollution by mitigating the emission of toxic substances that may be generated during the operation, maintenance, and repair of production facilities.
② The KCC shall familiarize itself with environment-related international standards and laws/regulations, prepare internal regulations and standards, and supervise the establishment of the processes to effectively manage the production and business facilities.

Article 2. Research & Development (R&D)

① The KCC shall recognize the risks and opportunity factors that environmental issues have on business, and endeavor to develop eco-friendly products that can mitigate the environmental impact.
② The KCC shall strive to mitigate environmental impact by evaluating the environmental characteristics of the products to quantify them.

Article 3. Distribution and Logistics

① The KCC shall make efforts to prevent environmental pollution that may occur during transportation.
② The KCC shall be committed to prevent environmental pollution and reduce energy via the efficient logistics operation management and inventory optimization management.

Article 4. Supply Chain Management

① he KCC shall spare no effort to mitigate the environmental impact considering the level of environmental management when selecting a new partner company.
② The KCC shall support partner companies’ environmental management activities and strive to reduce environmental risks throughout the supply chain.

Article 5. Greenhouse Gas (GHG) and Energy Management

① The KCC shall quantify the GHG emissions and energy consumption, and regularly monitor the emission performance.
② The KCC shall mitigate the impact of climate change via investment to reduce the GHG emissions and improve energy efficiency.

Article 6. Waste Management

① The KCC shall strive to manage waste efficiently by identifying the environmental impacts of corporate activities.
② The KCC shall spare no effort to minimize the waste volume by promoting the recycling/reuse of the wastes generated throughout the production activities.

Article 7. Water Resources Management

① The KCC shall endeavor to use water resources efficiently within the workplaces, improve recycling rates, and reduce emissions.
② The KCC shall make efforts to mitigate the environmental impact via periodic monitoring and maintenance of the facility’s performance.

Article 8. Toxic Substances Management

① The KCC shall endeavor to minimize the occurrence of the substances may be toxic to the environment and human health.
② The KCC shall continuously manage toxic substances by reducing the emissions of organic solvents and volatile organic compounds (VOCs).

Article 9. Biodiversity Conservation

① The KCC shall recognize the importance of restoring natural ecosystems and preserving the biodiversity while actively studying the measures to minimize the negative impact on the ecosystem.
② The KCC shall be aware of the potential impact of its business activities on the environment and biodiversity.

Article 10. Deforestation Prohibition

① The KCC shall take the lead in preventing deforestation to protect the ecosystem and developing the policies to protect the globe.
② The KCC shall endeavor to prevent deforestation together with its partner companies by applying the eco-friendly management system.

Article 11. Environmental Information Disclosure

① The KCC shall make the eco-friendly management activity results transparent to the stakeholders.
② The KCC shall offer opportunities to all executives and employees to increase the awareness on the environmental conservation via conducting training on the environment.

The KCC’s human rights management policy

Under the management philosophy of “Creating Value for a Better Life for All,” the KCC pursues to fulfill its social responsibility and roles in protecting human rights as a global corporate citizen while aiming at becoming a sustainable company by preventing potential human rights infringements which may occur in conducting its business and company-wide value chain.
The KCC shall observe human rights-related international standards and guidelines including the Universal Declaration of Human Rights (UDHR), UN Guiding Principles on Business and Human Rights (UNGP), and OECD Guidelines for Multinational Enterprises and the related regulations of each country to respect and protect the human rights of all the executives and employees. This human rights management policy shall be applied to the entire executives and employees of the KCC’s domestic and overseas production and sales corporations, affiliates, sub-subsidiaries, and JVs besides all suppliers and partner companies.
If there is any conflict between the policy and local regulations, much stricter standards shall precede. The KCC shall reduce the risk factors on the human rights and labor via continuous monitoring and the application of the zero tolerance principle to contribute to improving and spreading an awareness on the human rights issues of all stakeholders directly and indirectly impacted by the KCC’s business.

Article 1. Humanitarian Treatment

Shall display respect for all employees and offer equal opportunities to them. Shall strive not to cause inhumane treatments including psychological or physical pressure, mistreatment, or others. Shall take stern measures on any impersonal act including violence, sexual violence, sexual harassment, sexual abuse, physical punishment, abusive language, bullying, and public shame.

Article 2. Anti-discrimination

In terms of the HR practices including hiring, promotion, wages, training, disciplinary action, and retirement, shall prohibit discrimination not allowed by the regulations of each country according to any conditions including race, nationality, ethnicity, religion, gender/gender identity, age, disability, marital status, family support status, social status, and political orientation.

Article 3. Prohibition of Forced Labor

Shall ensure the working employees on their free will and prohibit forced labor according to the mental and physical restraints including the slavery system and human trafficking.

Article 4. Prohibition of Child Labor

Shall comply with the minimum employment age prescribed by the laws/regulations of each country and local region. Shall verify the age of all prospective employees in a proper way.

Article 5. Freedom of Association

Shall respect for the freedom to choose an occupation and ensure the freedom of association, organization, and collective bargaining according to the labor relation laws/regulations of each country.

Article 6. Working Hours

Shall comply with the labor relation laws/regulations prescribed by each country and region, which are running the business.

Article 7. Wages and Benefits

Shall pay the minimum wage or higher along with payslip according to the laws/regulations of each country and region and if applicable, provide overtime pay according to the same laws/regulations.

Article 8. Responsible Supply Chain Management

Shall prohibit the capital inflow from the disputed groups by procuring the conflict minerals excavated unethically in the disputed regions including Africa and strive to provide customers with the products made of the minerals excavated ethically.

Article 9. Employee Safety & Health

Shall establish related guidelines for the safety and health of the employees and make them comply with the guidelines. Shall remove risk factors in a workplace, take risk prevention measures, conduct work according to safety rules, make the employees wear personal protection equipment, and conduct periodic safety trainings to offer a safe work environment to all the employees.

Article 10. Prohibition of Sexual Harassment and Bullying in the Workplace

Shall prohibit all activities giving a sense of sexual humiliation to others including sexual harassment and abuse and all bullying activities giving physical/psychological pains to others by abusing one’s superiority in a rank or relation. Shall be also committed to prevent damages by conducting a training on how to prevent sexual harassment and bullying at work. Shall create a channel to report any damages. In case where there is a victim, shall protect the victim and take relief measures while giving proper punishments to the offender.

Article 11. Protection of the Human Rights of Local Residents and the Socially Vulnerable

Shall take proper measures not to infringe on the human rights (the environment, safety & health, freedom of residence) of vulnerable groups including local residents, children, women, disabled people, foreign workers due to the management activity of the company.

Article 12. Protection of the Human Rights of Customers

When it comes to providing customers with products and services, all employees shall consider the life, health, and property of the customers as the top priority and shall take the best actions to protect the personal information of the customers.

The KCC’s charter of corporate governance

The KCC Corp. (hereinafter “Company”) intends to become a global advanced material company which generates values for the customers, shareholders, and society while having secured the eco-friendly management capability and technical prowess under the management philosophy of “Creating Value for a Better Life for All.” As a respected global enterprise, the company strongly believes that establishing a sound governance structure and securing the trust of all stakeholders will lead to the foundation for the sustainable management activity. With its firm faith, the company has established the following charter of corporate governance. Based on the charter, under the supervision of the independent BOD, the management of the company shall pursue the transparent and responsible management. The company shall strive to achieve a transparent and advanced governance to increase the shareholders’ benefits, protect the rights of the stakeholders, improve the corporate value, and make sustainable growth.

Ⅰ. Shareholdersopen

1. Shareholders’ rights

① Shareholders, as an owner of the company, shall have a right to attend the General Shareholders' Meeting to vote, engage in profit sharing, and regularly and timely receive information.
② Mergers, business transfer, spin-offs, winding-up, and the Articles of incorporation, which bring significant changes to the existence of the company and exercise of the shareholder rights shall be decided in such a way to ensure the shareholder rights as much as possible.
③ The exercise of the shareholder rights shall be performed according to the free will of the shareholders. To this end, the company shall provide the shareholders with sufficient information on the date/place and agenda of the General Shareholders' Meeting.

2. The equitable treatment of all shareholders

① Shareholders shall have one voting right per one common stock. The fundamental rights of the shareholders shall not be infringed upon. Moreover, limiting the voting rights of certain shareholders shall be conducted strictly prescribed by the laws.
② The company shall provide the shareholders with necessary and enough information in an easily understandable way in time. Even if disclosing the information with no obligation of disclosure, the company shall give it to all shareholders fairly.
③ The company shall protect the shareholders from the unfair internal trading of the other shareholders such as controlling the shareholders and self-dealings.

3. The responsibility of shareholders

① Shareholders shall actively exercise their voting rights in such a way inducing the development and profit of the company.
② The shareholders exercising an influence on the management shall behave for the profits of the company and all shareholders. They shall strive not to cause unfair damages to the company or other shareholders.

Ⅱ. The BODclose

1. The functions of the BOD

① As the highest decision-making body in the company, the BOD shall possess inclusive rights over the management and make important decisions in managing the company and supervise the management for the profits of the company and shareholders.
② The BOD may delegate their rights to either the CEO or the BOD Committee. However, major items prescribed by the laws/regulations, Articles of incorporation or the rules stipulated by the BOD shall be excluded.

2. The organization and operation of the BOD

① The company shall appoint more than three and less than 9 directors at the General Shareholders' Meeting.
② The BOD shall organize the number of the external directors to be at least half of the BOD members to ensure their independence and management supervision roles.
③ The BOD shall not organize all the BOD members of either all men or women.
④ The chair of the BOD shall call and chair the BOD. The chair shall take action to ensure the roles of the BOD to be effectively conducted in all aspects.
⑤ The BOD shall make the decisions according to the majority of the registered BOD members with voting rights in attendance and the approval of the majority of the members. Concerning a certain agenda, the members interested shall not have any voting rights.
⑥ The BOD shall follow the principle of holding a monthly meeting, but a meeting schedule may be adjusted according to the agenda and schedule. If necessary, a temporary BOD shall be hold.
⑦ For the smooth operation of the BOD, the regulation on operating the BOD shall be established, in which the authority and responsibility of the BOD and operation procedures are prescribed in detail.
⑧ If necessary, the directors may attend the BOD remotely.
⑨ The company shall create and keep the minutes every time when the BOD meeting is held.

3. The appointment of directors and the nomination of candidate directors

① Except for the external directors, all other directors shall be appointed at the General Shareholders' Meeting via the recommendation of the BOD.
② External directors shall be appointed at the General Shareholders' Meeting via the recommendation of the External Director Nomination Committee.
③ The CEO shall be appointed by the decision of the BOD of the directors appointed at the General Shareholders' Meeting.

4. The qualifications of the directors

① The directors shall meet the qualification standards prescribed by the related laws and have professionalism and integrity. They shall be able to represent the rights and interests of all the shareholders and stakeholders in a balanced way.
② The directors shall not be discriminated by factors including gender, age, nationality, race, religion, level of education, and disability. They shall be capable of contributing to the increasing the corporate value and improving the rights and interests of the shareholders.

5. The responsibility of the directors

① As a law-abiding manager, directors shall work according to the duty of care and of loyalty. They shall make reasonable decisions by making enough time and efforts based on various information. Moreover, such management decisions made by the directors shall be respected.
② Directors shall neither disclose the information obtained at work to outside nor use it for personal benefits.
③ If directors violate laws/regulations or the Articles of incorporation or neglect one’s duty, they shall be liable for damages to the company. If a director is ill-intentioned or has gross negligence, all the director in solidarity shall be liable for damages even for a third party.
④ In case where a given agenda may have direct or indirect impact on the personal interests of a director oneself, the director shall not engage in the decision making process of the applicable agenda.
⑤ The company may subscribe the Directors and officers (D&O) liability insurance for the directors at the company’s costs.

6. The BOD Committee

① The BOD may be established and operated to increase the professionalism in conducting the BOD tasks and enhance the operational efficiency.
② The BOD Committee shall be comprised of the majority of the external directors.
③ The organization, operation, and authority of all committees shall be expressly stipulated. The decision of the BOD Committee on the items delegated from the BOD shall have the same force with that of the BOD.

7. External director

① External directors shall have expertise or rich practical experience on related areas including management/economy, accounting/finance, law, and administration and be able to make independent decisions with no critical interests with the company.
② External directors shall engage in a major decision making process of the company independently and supervise the management via the activity of the BOD.
③ External directors may request the company to provide information required in conducting one’s tasks. If necessary, they may receive support from the executives/employees or external experts at the company’s costs according to the prescribed procedures.

Ⅲ. Audit organizationclose

1. Audit Committee

① More than two thirds of the total members of the Audit Committee shall be comprised of the external directors to maintain the independence. To also maintain professionalism, more than one accounting or finance expert shall be included.
② The Committee shall conduct an audit and investigation on business accounting/accounting activity, audit the legality of the business activity of the directors and management, review and evaluate the internal accounting management system, and implement items defined in the operation rules of the Committee along with other laws/regulations and the Articles of incorporation.
③ The Committee meeting shall be held more than on a quarterly basis. If required, the attendance of the related parties including directors, management, or the head of the internal audit department and external auditors may be requested.
④ The Committee may request the information required in conducting audit to the company. If necessary, the Committee may request advice to external agencies or experts at the company’s costs.
⑤ The Committee shall create the minutes of the Committee meeting.

2. External auditors

① External auditors shall conduct an audit fairly from the independent views from the company, management, and certain shareholders.
② External auditors shall report the important findings obtained during the external audit activity to the Audit Committee.
③ External auditors shall attend the General Shareholders' Meeting to faithfully answer the questions of the shareholders concerning the audit report if there are questions.

Ⅳ. Stakeholdersclose

① The company shall make efforts to faithfully fulfill the corporate social responsibility to all stakeholders including the customers, employees, suppliers, and community.
② The company shall do its best to faithfully protect the rights and interests of the stakeholders according to the laws/regulations or agreements.
③ The company shall give information required in protecting the rights and interests of the stakeholders within the scope permitted by the laws/regulations.

Ⅴ. Disclosureclose

① The company shall regularly create and disclose business reports, half-yearly reports, and quarterly reports. In addition to this, the company shall swiftly and faithfully disclose items may have a critical impact on the shareholders and stakeholders.
② The company shall neither favorably treat nor discriminate a certain person when the disclosure period approaches in terms of the scope of the important company information to be disclosed. The company shall disclose the information can be accessible by all stakeholders at the same time.
③ The company shall strive to create the disclosures easily understandable to and usable by the stakeholders.
④ The company shall designate a manager in charge of the disclosure and establish a system so that important company information can be quickly delivered to the manager.
⑤ The company shall disclose the current status of the holding of stocks/shares owned by the controlling shareholders and affiliated persons.

Practice measures of the compliance management

1. The establishment of the fair trade order

All executives and employees of the KCC observe the Monopoly Regulation and Fair Trade Act as well as the KCC’s guidelines in South Korea and the countries where overseas corporations conduct business.
In case where the Act is violated, the company shall be responsible for civil and criminal penalties, fines or compensation for damages, and the applicable employee may be subject to fines or imprisonment. More importantly, employees shall work with the mindset their violation may cause colossal damages to the company as it may result in the corporate value decline. The major details and guidelines of the Act are described as follows.

공정거래 주요법규와 주요내용 및 가이드라인 정보 제공
Major laws /regulations	Major details and guidelines
Fair Trade Act	The prohibition of unfair trade practices: One shall not use one’s superior position in trade to give disadvantages to the suppliers(Refusal of transaction, discriminatory treatment, forced trade, abuse of dominant position, constraint trade and the act of maintaining the resale price). The prohibition of abusing one’s dominant position in the market: In case of a dominant market player, one shall neither determine, maintain or change the price or payment for the services unfairly nor interfere in the business activities of another business or the entrance of a new competitor. One shall neither do trades to unfairly eliminate the competitors nor behave in a way that may harm the interests of the consumers. The prohibition of unfair common action(collusion): One shall not agree on the matters of restricting the competition such as restricting the competitor, price, production/sales quantity, trading area/opposite party, etc. One shall not exchange sensitive information that may have an impact on these matters directly or indirectly. The prohibition of an unfair common action(bid rigging): In the bidding process, one shall not discuss/agree on a prospective successful bidder and the bidding price with another party prior to the bidding. One shall not share the bidding information with the competitors. The control of suppressing the concentration of the economic power: One shall avoid unfair internal transactions among affiliates. In case of performing internal transactions, one shall obtain the approval of the Sustainability Management Committee in advance.
Subcontracting Act	One shall comply with the duty to prepare, issue and preserve the agreement. One shall perform an unfair decision on the pricing, delayed payment, unfair terms, unfair reductions, unfair order cancellation, unfair refusal of receipt, and unfair return. One shall not request one’s suppliers to provide the technical data. If necessary, the confidentiality agreement shall be concluded, and the data shall not be used for other purposes not stated in the agreement.
FAIR AGENCY TRANSACTIONS ACT	One shall observe the duty to prepare, issue and preserve the agreement. One shall not conduct forcing purchase, profit and sales targets, inflicting disadvantages, or interfering with management activities.
Other laws	One shall observe the duties and prohibited matters to be implemented by business in compliance with the Act on the Regulation of Terms & Conditions, Act on Fair Labeling & Advertising, Framework Act on Consumers, and Product Liability Act.

2. The protection of intellectual property

The intellectual property rights include various types of business secrets kept confidential and not open to the public besides the copyright, patent right and trademark. One shall understand the concept and scope of such confidential information and make the efforts to secure a comparative advantage fairly and honestly according to the relevant laws/regulations and guidelines established by the company.
One shall not read, print, duplicate, film, transmit, or deliver the confidential information of the company without prior approval.
The head and executives responsible for a team shall have the primary responsibility for managing the confidential information of the company. Thus, they shall actively exercise their granted rights to protect the intellectual property of the company.
The company’s confidential information shall not be leaked externally without prior approval, and neither be stored nor utilized for the purposes irrelevant to a given task.
In case of leaving the company for retirement, one shall list all the documents that he/she possesses to return to the company. The documents shall not be carried out to the outside of the company.
One shall neither infringe on the intellectual property of the competitors, suppliers, and other companies nor obtain, use, and disclose the trade secrets of the competitors, suppliers, and other companies illegally.
One shall not approach the executives and employees of the competitors to provide or guarantee the benefits including money and valuables to request trade secrets.
In case of hiring new employees, one shall not approach the previous or current executives of the competitors or suppliers to infringe their intellectual properties or not request trade secrets in exchange for employment.
One shall not hire an agent or consultant to infringe on the intellectual properties of other companies.

3. Anti-corruption and bribery

All our executives and employees and third-party representatives shall comply with the laws/regulations related to anti-corruption and bribery. They shall do their work according to the guidelines set by the KCC.
One shall not use a third-party representative or an expedient method to avoid the laws related to anti-corruption and bribery.
One shall neither ask for illegal solicitation nor offer money or valuables to domestic and foreign government officials and those who are prohibited from receiving the solicitation by the law.
In case of providing money or valuables to government officials not directly related to one’s work, or delivering external contributions and donations to an external agency, one shall follow the compliance procedure prior to such a provision or delivery.
One shall comply with the Improper Solicitation and Graft Act in South Korea and international anti-corruption related laws (the U.S. Foreign Corrupt Practice Act (FCPA)), UK Bribery Act) and other laws related to the anti-corruption of a country where the KCC’s overseas corporations are in operation.
One shall neither request nor provide the KCC’s stakeholders including our customers with illegal or unethical profits in any monetary or non-monetary form including bribery, gifts, privilege or entertainment. Moreover, one shall not neglect a corruptive action occurred in the KCC by thinking that such negligence might be beneficial to the company.
Our executives and employees shall not engage in political activities on behalf of the company rather than as individuals. In addition, one shall respect the differing political opinions of other colleagues. One shall not force other colleagues to support or donate to a particular party or politician.
If you identify or discover a suspicious situation involving a violation of anti-corruption laws/regulations or policies, you must immediately report the relevant facts to the Company.

Practice measures of ethical management

1. The prevention of the conflict of interests

In case where an employee or his/her family receives any financial influence from the company including trading with the KCC, one shall immediately report the related facts to the company in advance or upon the awareness.
One shall not use the information acquired during work or the company’s business opportunities for the purpose of gaining personal benefits.
One shall use the company’s assets only for the purposes legally related to one’s work. One shall not use them for one’s private purposes.

2. Fair trade and competition, the creation of documents

One shall treat the employees of our customers, suppliers, competitors, and other companies with honesty and fairness. One shall compete with such parties by observing the competition order prescribed by the laws and market to compete fairy.
One shall not collude with a third party for unfair bid rigging and not engage in an act of manipulating other transactions.
The executives and employees involved in purchase and procurement shall comply with fair competition principles including quality and price, and not abide by solicitation at work.
To enable our stakeholders to understand our business activities transparently, our business records shall be drafted accurately and honestly according to unfair and international standards and general laws/regulations.
When preparing the accounting and financial data, test results and all other data, one shall neither create false records nor manipulate any records.
All requests to reimburse expenses shall include the receipts to serve as full evidentiary materials. The expenses shall be used for only work purposes.

3. Mutual respect among employees and the establishment of a sound work environment

The executives and employees shall communicate smoothly in a horizontal relationship based on mutual trust.
No one shall defame or insult any other employee or any third party with whom they come into contact in the course of their work. No one shall discriminate on the basis of race, colour, religion or religious belief, sex (including pregnancy, childbirth, breastfeeding or related medical conditions), gender, sexual orientation, gender identity, national origin, ancestry, age, disability, marital status or any other basis prohibited by law.
No one shall use one's superior position or relationship in the workplace to cause physical or emotional distress to other colleagues or to make the working environment uncomfortable, or to do anything that creates an uncomfortable and hostile working environment for others.
No one shall carry any weapons inside or outside of the workplace. No one shall perform any acts of violence or threat to other employees or all third parties in contact for work.
No one shall drink alcohol in the workplace without prior approval. Under any circumstances, none shall possess, use, sell or supply illegal drugs in the workplace.

Performance Criteria

「 Ordinance of the Ministry of Land, Infrastructure and Transport No. 665」

Any area of certain walls, poles, crossbeams, floors or the roofs of any building shall be structured fireproof enough to endure, if any fire breaks out, the time as prescribed in the Attached Table 1, according to its story, height and size by building purpose.

Performance Criteria
Purpose			Wall						Beam/pole	Floor	Roof/roof truss
Purpose			Exterior wall			Interior wall
Classification	Size story/ maximum height (m)		Bearing wall	Non-bearing wall		Bearing wall	Non-bearing wall
Classification	Size story/ maximum height (m)		Bearing wall	Concern for combustion	No concern for combustion	Bearing wall	Partition wall	Shaft-seal compartment wall
General facilities	12/50	above	3	1	1/2	3	2	2	3	2	1
	12/50	or below	2	1	1/2	2	1.5	1.5	2	2	1/2
	4/20 or below		1	1	1/2	1	1	1	1	1	1/2
Residential facilities	12/50	above	2	1	1/2	2	2	2	3	2	1
	12/50	or below	2	1	1/2	2	1	1	2	2	1/2
	4/20 or below		1	1	1/2	1	1	1	1	1	1/2
Industrial facilities	12/50	above	2	1.5	1/2	2	1.5	1.5	3	2	1
	12/50	or below	2	1	1/2	2	1	1	2	2	1/2
	4/20 or below		1	1	1/2	1	1	1	1	1	1/2

Performance Criteria of Soundproof Structures

「Ordinance of the Ministry of Land, Infrastructure and Transport No. 2018-776」

Performance Criteria of Soundproof Structures
Grade	Grade standard (Rw+C)
1^st	63dB ≤ Rw+C and boundary walls not shared between households
2^st	58dB ≤ Rw+C < 63dB
3^st	53dB ≤ Rw+C < 58dB
4^st	48dB ≤ Rw+C < 53dB

Give additional points to “7.7 Soundproof Performance of boundary walls not shared between households” in the “7. Indoor environment” area based on G-SEED(Green Standard for Energy & Environmental Design)

Soundproof Performance of the Drywall

How to Improve the Soundproof Performance of the Drywall

How to Improve the Soundproof Performance of the Drywall
Walls	Absorbers (Glass Wool, Mineral Wool)	Increase the density of a gypsum board	Increase the thickness of a stud and gypsum board	Use T-Silent-Stud System
Block the sound path by separating studs from each other.		Regular Gypsum Board< Perforated Sound Absorption Board
Around 10dB is reduced.	About 6dB is reduced.	About 2-3dB is reduced.	About 2-3dB is reduced.	About 7-15dB is reduced.

Awareness level depending on soundproof performance changes

Awareness level depending on soundproof performance changes
Levels	Awareness level
1dB	Felt no change
3dB	Felt a change
5dB	Surely felt changes
10dB	2 times greater changes are felt
20dB	4 times greater changes are felt

The impact of noise on the human body

The impact of noise on the human body
Noise	Noise source	Impact on the human body
30dB	Wall clock ticking sound	Comfortable
35dB	Quiet park	Have almost no impact on sleep
50dB	Quiet office	Breathing and pulse rate increased; sleep quality is degraded
70dB	Phone bell ring	Hearing loss is started
90dB	Factory noise	Urine volume increased; had hearing loss

Building Regulations

Fire Safety Policy

BUILDING ACT / ENFORCEMENT DECREE OF THE BUILDING ACT / Regulation on the Standards for Evacuation and Fireproof Construction of Building (Enforcement date: Aug 2020)

Overview
The main structural member and roofs are required to have a fireproof structure as prescribed in Article 50 (Fireproof structure and the fire wall of buildings) and Article 51 (Buildings within the fire zone) to secure fire safety in buildings.
Scope
Buildings including factories, warehouses, cultural and gathering facilities, medical facilities, and apartment buildings, which are prescribed by a presidential decree
1. 1) Buildings used for a factory, whose gross floor is 2,000 ㎡ or above
2. 2) Buildings used for a warehouse facility, whose gross floor is 500㎡ or above
Definition
Main structural member" means a bearing wall, column, floor, beam, roof truss, and main stairway.

Fire Safety Policy

BUILDING ACT / ENFORCEMENT DECREE OF THE BUILDING ACT / Regulation on the Standards for Evacuation and Fireproof Construction of Building (Enforcement date: Nov 2019)

Overview
1. 1) The exterior wall of buildings shall use incombustible or non-combustible materials as a finish(all finish materials including insulation and coating).
2. 2) If a building befits a structure for preventing fire spreading or the entire finish materials are comprised of non-combustible materials, incombustibles may be used
Scope of Incombustible and Non-combustible Material
1. 1) As a building belonging to Class 1 commercial facilities, cultural and assembly facilities within a commercial area, whose gross floor is 2,000 ㎡ or above
2. 2) Buildings used as a medical, education & research, childcare, and training facilities
3. 3) Buildings whose floors total 6 or above or the height is 22m or above
4. 4) A building’s 1st and 2nd floor where it has a piloti structure in the entire or some areas on the 1st floor to use them as a parking lot
Scope of Incombustible Material
1. 1) Buildings whose floors total 5 or below and the height is 22m or under
2. 2) A building’s 3rd to 5th floor where it has a piloti structure used as a parking lot and it is appliable to no. 1) condition
Scope
Dry method(finish with an aluminum panel and stone materials), wet method(plastering finish on the outside) walls, etc.

Performance Criteria of the Fireproof Structure

「 Ordinance of the Ministry of Land, Infrastructure and Transport No. 665」
Any certain area of walls, poles, crossbeams, floors or roofs of any building shall be structured fireproof enough to endure, if any fire breaks out, the time as prescribed in the Attached Table 1, according to its story, height and size by building purpose.

Performance Criteria of the Fireproof Structure
Purpose			Wall						Beam/ pole	Floor	Roof/roof truss
Purpose			Exterior wall			Interior wall
Classification	Size story/ maximum height (m)		Bearing wall	Non-bearing wall		Bearing wall	Non-bearing wall
Classification	Size story/ maximum height (m)		Bearing wall	Concern for combustion	No concern for combustion	Bearing wall	Partition wall	Shaft-seal compartment wall
General facilities	12/50	above	3	1	1/2	3	2	2	3	2	1
	12/50	or below	2	1	1/2	2	1.5	1.5	2	2	1/2
	4/20 or below		1	1	1/2	1	1	1	1	1	1/2
Residential facilities	12/50	above	2	1	1/2	2	2	2	3	2	1
	12/50	or below	2	1	1/2	2	1	1	2	2	1/2
	4/20 or below		1	1	1/2	1	1	1	1	1	1/2
Industrial facilities	12/50	above	2	1.5	1/2	2	1.5	1.5	3	2	1
	12/50	or below	2	1	1/2	2	1	1	2	2	1/2
	4/20 or below		1	1	1/2	1	1	1	1	1	1/2

Who We Look For

Professional on Basic AcceptanceKnowledge

Creativity Will of IronChallenge

Honesty and ResponsibilityCourage