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Interior / Exterior

KCC interior and exterior materials are developed and produced with the quality of housing and disasters in mind.
A variety of functional gypsum boards, from regular stone board to fireproof, waterproof, fireproof, anti-bacterial, soundproof, and front waterproof stone board It produces beautiful patterns and stable color ceiling materials to meet customer needs.

Gypsum Board Ceiling Board Beauticle

2024 Korean Standard-Quality Excellence Index (KS-QEI) Ranked 1st in Gypsum Tex PLUS for 8 consecutive years

KCC Ceiling Board

What is the HB Mark?
A collective quality certification system of granting an eco-friendly certification grade based on the strict and thorough quality certification tests performed by a qualified testing agency. The tests include the degree of organic compounds(HCHO, TVOC) emissions on the construction materials produced domestically and overseas. (Related to Article 11 of the INDOOR AIR QUALITY CONTROL)

KCC has two types of soundproof gypsum tex, gypsum and mineral wool system. The gypsum system has perforated, soundproof SOUNDWIN and incombustible Gypsum Tex PLUS. The mineral wool system has noncombustible Mitone/Mitex, mainly made of mineral wool manufactured by pure natural ore. The weight of Mitone is only one-third that of other conventional gypsum cement boards. It can be produced as a broad board with a variety of patterns, making the ceilings of buildings beautiful and elegant.
Of the many patterns, Cloudia/Sahara give a luxurious touch. Mitone Sky is a package product easily installable in spaces requiring sound insulation. Various types of construction systems, such as T&H-Bar, M-Bar, and T-Bar, ensures a unique style of space decoration. By absorbing and blocking indoor and outdoor noise, it can also add beauty and convenience to the ceilings of office buildings, hospitals, hotels and shopping malls.

Features & advantages

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This product received the highest grade in Healthy Building regulations qualified by the Korea Air Cleaning Association(KACA) according to released intensity of Building materials manufactured in Domestic and Foreign industries.
Its thermal resistance is much higher than that of other materials, thereby heightening its thermal insulation effect. Thus, the indoor temperature is kept constant and energy efficiency is ensured.
It remains stable and intact and does not contract or expand when changes in temperature or humidity occur. Thus, it rarely loosens and cracks even with long-tire use.
This is an asbestos-free product that does not contain any asbestos.
An incombustible product officially certified by the Fire Insurers Laboratories of Korea (FILK), it prevents fires from spreading, thus minimizing the casualties.
Far lighter than the other cement-based ceiling boards in the market, it can be handled and carried with ease and can reduce the dead load of buildings.
It can be easily cut on-site with a knife or saw along with various Installation Methods using the T&H-Bar, M-Bar, T-Bar or PYRAMODULE system, and it can be used in the construction of a wide variety of buildings, from office buildings to shops.
It can create a tranquil indoor environment by absorbing and cutting off sound transmissions.

Gypsum System Mineral Wool System High-quality Ceiling Board Installation Methods

Reverberation Time Simulation: Calculate the reverberation time for the optimal ceiling system.

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Main products list

SOUNDWIN

Gypsum Tex PLUS

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.

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

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

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.

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
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