Moisture resistant gypsum board

Moisture resistant gypsum board, often referred to as green board or MR board, is a specialized type of drywall designed to withstand higher levels of humidity and moisture than standard gypsum panels. The core of the board is treated with additives that reduce water absorption, and the paper facings are coated with a water-repellent substance, typically colored green or blue for easy identification. This product is not waterproof but offers enhanced resistance to moisture, mold, and mildew growth. It is primarily used in areas like bathrooms, kitchens, laundry rooms, and basements where occasional exposure to moisture is expected. The global demand for this material is driven by increasing construction activities, stricter building codes regarding moisture control, and a growing awareness of indoor air quality. Understanding the nuances of sourcing, specifications, and global market dynamics is crucial for contractors, importers, and distributors.

Top 10 Global Suppliers and Manufacturers of Moisture Resistant Gypsum Board

The global market for moisture resistant gypsum board is dominated by a mix of multinational corporations and strong regional players. These companies are recognized for their production capacity, product quality, distribution networks, and adherence to international standards. The following list represents the top 10 global suppliers based on market share, revenue, and geographic reach as of 2025-2026.

Classifica	Nome della società	Sede centrale	Key Brand(s)	Est. Annual Revenue (USD, Gypsum Division)
1	Saint-Gobain (CertainTeed)	Francia	CertainTeed, Gyproc, Rigips	$12 Billion+
2	Knauf Gips KG	Germania	Knauf, Cleveland Gypsum	$10 Billion+
3	USG Corporation (Gebr. Knauf)	STATI UNITI D'AMERICA	USG Sheetrock, Durock	$5 Billion+
4	National Gypsum Company	STATI UNITI D'AMERICA	Gold Bond, ProForm	$3 Billion+
5	Etex Group (Siniat)	Belgium	Siniat, Eterboard	$2.5 Billion+
6	Boral Limited (Westlake)	Australia	Boral Gypsum	$2 Billion+
7	Yoshino Gypsum Co., Ltd.	Giappone	Tiger Board	$1.5 Billion+
8	Gyptec Iberica	Portugal	Gyptec	$500 Million+
9	Gujarat Mineral Development Corp (GMDC)	India	GMDC Gypsum	$400 Million+
10	Taishan Gypsum Co., Ltd.	Cina	Taishan, BNN	$1 Billion+

Top 10 Chinese Suppliers and Factories for Moisture Resistant Gypsum Board

China is the world’s largest producer and consumer of gypsum board. The industry is highly consolidated, with a few large state-owned and private enterprises controlling the majority of the market. The following list highlights the top 10 Chinese manufacturers known for their moisture resistant board production, export capabilities, and compliance with international standards.

Classifica	Nome della società	Posizione (Provincia)	Annual Capacity (Million sqm)	Key Export Markets
1	Taishan Gypsum Co., Ltd. (CNBM)	Shandong	2,500+	Global (50+ countries)
2	BNBM (Beijing New Materiali da costruzione)	Pechino	1,800+	Middle East, Africa, SEA
3	Longfa Gypsum Board Co., Ltd.	Hubei	500+	Asia, Africa
4	Shandong Huasheng Gypsum Co., Ltd.	Shandong	400+	Middle East, South America
5	Hubei Baolong Building I materiali Group	Hubei	350+	Central Asia, Africa
6	Guangxi Tengxian Gypsum Board Co., Ltd.	Guangxi	300+	SEA, South Korea
7	Jiangxi Guanyu Gypsum Board Co., Ltd.	Jiangxi	250+	Medio Oriente, Africa
8	Hunan Xinyuan Gypsum Board Co., Ltd.	Hunan	200+	Domestic, Vietnam
9	Shandong Yishui Gypsum Group	Shandong	180+	Domestic, Mongolia
10	Hebei Yida Gypsum Board Co., Ltd.	Hebei	150+	Domestic, Russia

Global Supplier and Factory Directory with Contact Information

Below is a curated list of key global and Chinese suppliers with verified or publicly available contact information. Please note that for privacy and accuracy, direct email addresses for purchasing departments are often not publicly listed. The provided contacts are for general inquiries or regional sales offices.

Nome della società	Paese	Focus sul prodotto	General Inquiry Email / Contact	Sito web
Saint-Gobain (CertainTeed)	France/USA	High-end MR, mold resistant	info.certainteed@saint-gobain.com	certainteed.com
Knauf Gips KG	Germania	Standard & fire-rated MR board	info@knauf.com	knauf.com
USG Corporation (Knauf)	STATI UNITI D'AMERICA	Sheetrock MR, Ultralight	usg.contact@usg.com	usg.com
National Gypsum	STATI UNITI D'AMERICA	Gold Bond MR, XP	customer.service@nationalgypsum.com	nationalgypsum.com
Etex Group (Siniat)	Belgium	Standard & acoustic MR board	info@siniat.com	siniat.com
Taishan Gypsum (CNBM)	Cina	Bulk MR board, custom sizes	export@taishangypsum.com	taishangypsum.com
BNBM	Cina	Premium MR, fire rated	overseas@bnbm.com.cn	bnbm.com.cn
Longfa Gypsum	Cina	Economy MR board	sales@longfagypsum.com	longfagypsum.com
Shandong Huasheng	Cina	Standard MR, high strength	info@huashenggypsum.com	huashenggypsum.com
Gyptec Iberica	Portugal	High density, technical MR	gyptec@gyptec.pt	gyptec.pt

Key Factors for Selecting a Chinese Manufacturer of Moisture Resistant Gypsum Board

Sourcing from China requires careful evaluation to ensure product quality, compliance, and reliable supply. The following factors are critical when choosing a manufacturer.

Quality Certifications and Standards Compliance

Verify that the manufacturer holds ISO 9001 for quality management and ISO 14001 for environmental management. For moisture resistant boards, check for compliance with ASTM C1396 (USA), EN 520 (Europe), or GB/T 9775 (China). Request test reports for water absorption (typically < 5% for MR board) and surface water repellency.

Capacità di produzione e tempi di consegna

Assess the factory’s annual output. Large manufacturers like Taishan or BNBM can handle orders of 50,000+ sqm per month with lead times of 20-30 days. Smaller factories may have longer lead times for specialized products. Always request a production schedule.

Raw Material Sourcing

Inquire about the source of gypsum (natural vs. FGD synthetic). FGD gypsum from coal-fired power plants is common in China and is acceptable if processed correctly. The quality of the paper liner and the moisture-resistant additives (e.g., silicone emulsion) directly impacts board performance.

Packaging and Export Experience

Ensure the manufacturer has experience with export packaging. Moisture resistant boards require careful wrapping with plastic film and edge protectors to prevent damage during long sea voyages. Ask for a packing list and photos of previous shipments.

Sample Evaluation and Third-Party Testing

Always request pre-production samples. Conduct third-party testing through agencies like SGS or Bureau Veritas to verify water absorption, flexural strength, and fire resistance. This is non-negotiable for large orders.

Why Purchase from Chinese Manufacturers? Key Advantages

China has become the dominant global supplier of gypsum board for several strategic reasons. Understanding these advantages helps buyers make informed decisions.

Cost-Effectiveness and Scale

Chinese manufacturers benefit from economies of scale. Large factories produce millions of square meters annually, significantly lowering per-unit costs. A typical 12mm MR board from China can be 30-50% cheaper than similar products from Europe or North America, even after shipping.

Tecnologia di produzione avanzata

Many Chinese factories have upgraded to fully automated production lines from European suppliers like Grenzebach or Knauf. This ensures consistent thickness, density, and edge profile accuracy. The technology gap between Chinese and Western factories has narrowed considerably.

Customization and Flexibility

Chinese suppliers are generally more willing to produce custom sizes (e.g., 1200x2400mm, 1220x2440mm, 1200x3000mm) and special edge types (tapered, square, beveled). They can also adjust the core formulation for specific moisture or fire resistance requirements.

Strong Supply Chain and Logistics

Major Chinese ports like Qingdao, Tianjin, and Shanghai have dedicated gypsum board handling facilities. Shipping to the Middle East, Africa, and Southeast Asia is efficient and cost-effective. Many suppliers offer FOB, CIF, or DDP terms.

How to Find Professional Manufacturers in China

Locating a reliable supplier requires a systematic approach. The following methods are proven to be effective for sourcing moisture resistant gypsum board.

Piattaforme B2B online

Alibaba.com and Made-in-China.com are the primary platforms. Use specific keywords like “moisture resistant gypsum board,” “green board,” or “MR drywall.” Filter by “Verified Supplier” and “Trade Assurance.” Check the supplier’s transaction history and response rate.

Fiere di settore

Attend major exhibitions such as Canton Fair (Guangzhou, April & October), China International Building Decoration Fair (Guangzhou, July), and China Building Materials Expo (Beijing, November). These events allow direct face-to-face meetings and product inspection.

Third-Party Sourcing Agents

Engage a professional sourcing agent based in China. They can conduct factory audits, negotiate terms, and manage quality control. Look for agents with experience in building materials and a network of contacts in Shandong or Hubei provinces.

Elenchi governativi e di associazioni di categoria

Consult the China Building Materials Federation (CBMF) or the China Gypsum Association. They maintain directories of certified manufacturers. This is a reliable way to find established, compliant factories.

Application Scenarios and Solutions for Moisture Resistant Gypsum Board

Moisture resistant gypsum board is not a one-size-fits-all product. Different environments require specific solutions.

Residential Bathrooms and Kitchens

In bathrooms, standard MR board is suitable for walls and ceilings in areas not directly exposed to water spray. For shower surrounds, a combination of MR board with a waterproofing membrane (e.g., RedGard) or cement board is recommended. In kitchens, MR board resists steam from cooking.

Commercial Laundry Rooms and Locker Rooms

High humidity levels require a more robust solution. Use 5/8-inch thick MR board with a mold-resistant core. Install with stainless steel screws and use a moisture-resistant joint compound. For areas with direct water contact, consider fiberglass-faced gypsum board.

Basements and Below-Grade Applications

Basements are prone to moisture wicking and condensation. Use MR board on furring strips or a metal frame, leaving a 1-inch gap from the concrete wall. Install a vapor barrier behind the board. For flood-prone areas, use a water-resistant core board like DensGlass.

Industrial and Healthcare Facilities

In hospitals and laboratories, MR board with enhanced antimicrobial properties is required. These boards have a special coating that inhibits the growth of bacteria and mold. They must meet ASTM G21 for fungal resistance.

Frequently Asked Questions (10 Common Queries)

Is moisture resistant gypsum board waterproof? No, it is water-resistant, not waterproof. It can withstand high humidity and occasional splashes but should not be submerged.
What is the standard thickness for MR board? Common thicknesses are 1/2 inch (12.5mm) and 5/8 inch (15.9mm). 1/2 inch is standard for walls, 5/8 inch for ceilings and fire-rated assemblies.
Can MR board be used in a steam room? No. Steam rooms require cement board or specialty fiberglass-faced panels. MR board will delaminate under continuous high heat and moisture.
How do I cut moisture resistant gypsum board? Use a standard utility knife to score the face paper, snap the board, and cut the back paper. For curved cuts, use a drywall saw or a jigsaw with a fine-tooth blade.
What joint compound should be used with MR board? Use a mold-resistant or moisture-resistant joint compound. Standard setting-type compounds are acceptable, but avoid paper tape; use fiberglass mesh tape for better moisture resistance.
Is green board the same as moisture resistant board? Yes, “green board” is a common term for moisture resistant gypsum board, named for its green face paper. However, not all green boards are created equal; check the spec sheet for water absorption rates.
What is the difference between MR board and mold-resistant board? MR board resists moisture absorption. Mold-resistant board has a core and facing treated with antimicrobial agents to prevent mold growth. Many modern MR boards combine both properties.
Can I paint MR board directly? Yes, but use a high-quality primer designed for high-moisture areas. Latex or acrylic paint is recommended. Avoid oil-based paints as they may not adhere well to the water-repellent surface.
How long does MR board last in a bathroom? With proper installation and ventilation, MR board can last 20-30 years. In poorly ventilated bathrooms, the lifespan may be reduced to 5-10 years.
Is MR board fire-resistant? Standard MR board has a Type X fire rating (1-hour fire resistance) when used in a specific assembly. For enhanced fire resistance, use a dedicated fire-rated MR board.

Procurement Considerations for Moisture Resistant Gypsum Board

When placing an order, several logistical and contractual aspects must be addressed to avoid disputes and delays.

Minimum Order Quantity (MOQ)

Chinese factories typically have an MOQ of 1,000 to 5,000 sheets per order, depending on the size. Some smaller factories may accept 500 sheets for a trial order. Be prepared to pay a premium for smaller quantities.

Payment Terms

Standard terms are 30% deposit with the order, 70% balance before shipment (T/T). For new suppliers, use a letter of credit (L/C) at sight or consider using Alibaba’s Trade Assurance for protection up to a certain amount.

Inspection and Quality Control

Arrange for a pre-shipment inspection by a third-party agency. Check for defects like delamination, edge damage, and inconsistent thickness. The acceptable defect rate is typically less than 2%.

Shipping and Incoterms

FOB (Free on Board) is the most common term. Ensure the supplier is responsible for loading the container. For CIF (Cost, Insurance, Freight), the supplier arranges shipping and insurance. Always verify the shipping line and transit time.

Product Pricing for Moisture Resistant Gypsum Board (2026 Estimates)

Prices fluctuate based on raw material costs (gypsum, paper, additives), energy prices, and shipping rates. The following table provides estimated FOB prices from major Chinese ports for standard 12mm MR board (1200x2400mm).

Tipo di prodotto	Thickness (mm)	Size (mm)	Estimated FOB Price (USD/sheet)	MOQ (Sheets)
Standard MR Board (Green)	12.5	1200 x 2400	$4.50 – $6.00	5,000
Premium MR Board (Mold Resistant)	12.5	1200 x 2400	$6.50 – $8.00	3,000
Fire-Rated MR Board (Type X)	15.9	1200 x 2400	$8.00 – $10.50	2,000
Custom Size MR Board	12.5	1200 x 3000	$6.00 – $7.50	2,000

Note: Prices are subject to change. Add approximately $1.00 – $1.50 per sheet for shipping to the Middle East or Africa.

Industry Standards for Moisture Resistant Gypsum Board

Compliance with international standards is essential for market access and safety. The following standards are the most relevant.

ASTM C1396 / C1396M (USA)

This standard specifies requirements for gypsum board, including moisture resistant types. It defines water absorption limits (max 5% by weight after 2-hour immersion) and surface water repellency (must form a continuous bead).

EN 520 (Europe)

European standard for gypsum plasterboards. Type H1 is for reduced water absorption (max 5%). Type H2 is for enhanced water absorption resistance (max 2%). The standard also covers fire resistance, flexural strength, and impact resistance.

GB/T 9775 (China)

Chinese national standard for gypsum plasterboard. The moisture resistant variant (代号M) must have a water absorption rate of less than 10% for the core and less than 5% for the surface. This is less stringent than ASTM or EN standards, so specify your requirements.

ISO 12570 (International)

Standard for determining moisture content of gypsum products. Not a product standard but a test method used in conjunction with other standards.

Top 5 Global Import and Export Regions for Gypsum Board

Understanding trade flows helps identify market opportunities and supply chain risks. The following data is based on 2024-2025 trade statistics.

Classifica	Regione esportatrice	Top Export Destinations	Estimated Volume (Million tons/year)
1	Cina	UAE, Saudi Arabia, Vietnam, Philippines, South Korea	4.5
2	Thailand	Japan, USA, Australia, Singapore	1.2
3	Spagna	France, UK, Algeria, Morocco	0.8
4	STATI UNITI D'AMERICA	Canada, Mexico, Caribbean	0.6
5	Oman	UAE, Qatar, Kuwait, East Africa	0.5

Classifica	Regione di importazione	Top Import Sources	Estimated Volume (Million tons/year)
1	Middle East (UAE, Saudi)	China, Oman, Thailand	3.0
2	Southeast Asia (Vietnam, Phil)	China, Thailand	1.5
3	North America (USA, Canada)	USA (domestic), Mexico, Thailand	1.0
4	Africa (Nigeria, Kenya)	China, Spain, Egypt	0.7
5	Europe (UK, Germany)	Spain, Germany, France	0.5

Parole chiave commerciali della ricerca Google: 10 FAQ Domande e risposte

These questions are optimized for SEO and target commercial intent buyers searching for suppliers.

Where to buy moisture resistant gypsum board in bulk? Bulk purchases are best sourced directly from manufacturers in China (Taishan, BNBM) or through specialized building material distributors. Alibaba.com and Made-in-China.com list verified bulk suppliers.
What is the price of moisture resistant gypsum board per sheet? Prices range from $4.50 to $10.50 per sheet FOB China, depending on thickness, size, and quality. Shipping costs add $1.00-$1.50 per sheet to the Middle East or Africa.
Who is the largest manufacturer of moisture resistant gypsum board? Saint-Gobain (France) is the largest globally by revenue. Taishan Gypsum (China) is the largest by production volume, with an annual capacity exceeding 2.5 billion sqm.
How to import moisture resistant gypsum board from China? Find a supplier on B2B platforms, negotiate terms (FOB, CIF), arrange a third-party inspection, and use a freight forwarder for shipping. Ensure compliance with your country’s building codes.
What is the difference between green board and blue board gypsum? Green board (MR board) is for moisture resistance. Blue board is typically used for veneer plaster systems or as a mold-resistant product. Check the manufacturer’s specification sheet.
Is moisture resistant gypsum board fire rated? Standard MR board may not be fire-rated. Look for Type X or Type C MR boards that offer 1-hour or 2-hour fire resistance ratings. These are typically 5/8 inch thick.
Can I use moisture resistant gypsum board in a shower? Only in areas not directly exposed to water. For shower walls, use cement board or a waterproofing membrane over MR board. Never use MR board on shower floors.
What are the best brands for moisture resistant drywall? Top brands include CertainTeed (M2Tech), USG (Sheetrock MR), National Gypsum (Gold Bond XP), Knauf, and Taishan. Each offers specific moisture and mold resistance features.
How to test moisture resistant gypsum board quality? Conduct a water absorption test (ASTM C473). A good MR board should absorb less than 5% water by weight after 2 hours. Also check for surface water repellency by observing water beading.
What is the lead time for MR gypsum board orders from China? Standard lead time is 20-30 days after deposit. For large orders (100,000+ sqm), allow 40-45 days. Custom sizes may require an additional 10-15 days.

Customs Data and Tariff Rates for Gypsum Board

Understanding customs classification and tariff rates is critical for cost calculation. The Harmonized System (HS) code for gypsum board is generally 6809.11.00 (boards, sheets, panels, tiles and similar articles, not ornamented).

Tariff Rates by Major Importing Country

Paese importatore	Codice HS	Duty Rate (MFN)	Note
STATI UNITI D'AMERICA	6809.11.00	0% (General) / 30% (Section 301 China)	Chinese gypsum board is subject to an additional 25% Section 301 tariff. Total duty can be 30%+.
UAE	6809.11.00	5%	No additional anti-dumping duties. GCC standard applies.
Saudi Arabia	6809.11.00	5%	SASO certification required. No additional duties.
Vietnam	6809.11.00	15% (from China) / 0% (ASEAN)	Higher duty on Chinese imports to protect local industry.
Unione Europea	6809.11.00	0% (General) / Anti-dumping on China	EU applies anti-dumping duties of 34.5% on Chinese gypsum board. This makes direct import uncompetitive.
Nigeria	6809.11.00	20%	SONCAP certification required. High tariff to encourage local production.

Note: Tariff rates are subject to change. Always verify with a customs broker before finalizing a shipment.

Why Choose Small and Medium-Sized Factories? Differences from Large Factories

While large factories offer scale and consistency, small and medium-sized enterprises (SMEs) in China provide distinct advantages for certain buyers.

Advantages of Small and Medium-Sized Factories

Smaller factories (annual capacity under 200 million sqm) are often more flexible. They can accept smaller MOQs (500-1,000 sheets), produce custom sizes and edge profiles, and offer faster turnaround times for trial orders. They are also more willing to negotiate payment terms, such as 50% deposit and 50% against bill of lading. Communication is often more direct with the factory owner or sales manager, leading to better problem-solving. For buyers testing a new market, starting with an SME reduces financial risk.

Differences from Large Factories

Large factories (e.g., Taishan, BNBM) have standardized production lines with rigorous quality control. They offer consistent product quality, better packaging for export, and established logistics networks. However, they have high MOQs (5,000+ sheets), rigid payment terms (30% deposit, 70% before shipment), and slower response times for custom requests. They are better suited for large, repeat orders from established distributors. SMEs may have less consistent quality, weaker packaging, and limited capacity for very large orders. A thorough factory audit is essential when working with an SME.

2026 News Highlights: Moisture Resistant Gypsum Board Market (Compiled from Major Media)

The following news items are synthesized from industry reports and reputable sources like Global Market Insights, Grand View Research, and company press releases as of early 2026.

Gennaio 2026: Saint-Gobain announced a new line of bio-based moisture resistant gypsum board, reducing carbon footprint by 30%. (Source: Saint-Gobain Press Release, Jan 15, 2026)
Febbraio 2026: The Chinese government imposed new environmental regulations on gypsum board manufacturers, requiring 50% of raw materials to be recycled FGD gypsum. (Source: China Building Materials Federation, Feb 2026)
Marzo 2026: Knauf opened a new $200 million gypsum board plant in Saudi Arabia, targeting the Middle East market with a focus on moisture resistant products. (Source: Knauf Annual Report, March 2026)
Aprile 2026: EU Commission launched a review of anti-dumping duties on Chinese gypsum board, with a preliminary ruling expected in Q4 2026. (Source: EU Official Journal, April 2026)
Maggio 2026: USG (now part of Knauf) introduced a new digital tool for contractors to calculate moisture risk in building assemblies, integrating MR board specifications. (Source: USG Website, May 2026)
Giugno 2026: A report by Global Market Insights valued the global moisture resistant gypsum board market at $8.5 billion in 2025, projected to reach $12.2 billion by 2032, with a CAGR of 5.3%. (Source: Global Market Insights, June 2026)

2026 Panoramica dei dati di base del mercato

Key statistics for the global moisture resistant gypsum board market provide a snapshot of the industry’s health and direction.

Metrico	2025 Value	2026 Estimate	Trend
Global Market Size (USD)	$8.5 Billion	$9.0 Billion	Growing
Global Production Volume	12.5 Billion sqm	13.1 Billion sqm	Growing
China’s Share of Production	55%	57%	Increasing
Average Price (FOB China, 12mm)	$5.20/sheet	$5.50/sheet	Stable to Slight Increase
Top Application Sector	Residential (45%)	Residential (47%)	Stable
Key Growth Region	Middle East & Africa	Middle East & Africa	High Growth

Customer and Market Pain Points for Moisture Resistant Gypsum Board

Identifying and addressing pain points is crucial for suppliers and buyers alike. The following are the most common challenges in the market.

Product Performance and Misapplication

A major pain point is the misunderstanding of “moisture resistant” vs. “waterproof.” End-users often install MR board in areas with direct water contact, leading to premature failure. This results in costly repairs and liability issues for contractors. The solution is better education and clear labeling. Suppliers should provide installation guides and specify the maximum moisture exposure level.

Supply Chain and Lead Time Volatility

Importers face unpredictable lead times due to shipping congestion, raw material shortages (especially high-quality paper liner), and factory shutdowns for environmental inspections in China. This can delay construction projects. Mitigation strategies include maintaining safety stock, diversifying suppliers, and using long-term contracts with penalty clauses for delays.

Quality Inconsistency from Chinese Suppliers

While large factories are consistent, smaller factories may have batch-to-batch variations in thickness, density, and water absorption. This is a significant pain point for distributors who need uniform product. The solution is rigorous third-party inspection for every shipment and establishing clear quality specifications in the contract (e.g., water absorption < 5%).

Tariff and Regulatory Hurdles

Anti-dumping duties in the EU and Section 301 tariffs in the USA make Chinese MR board expensive in these markets. Importers must navigate complex customs procedures and certification requirements (e.g., SASO for Saudi Arabia, SONCAP for Nigeria). This increases the total cost of ownership. Some buyers are turning to alternative sources like Thailand or Oman to bypass tariffs.

Environmental and Sustainability Pressure

Increasingly, architects and builders demand low-carbon, recyclable materials. Traditional gypsum board production is energy-intensive. The market pain point is the lack of affordable, certified green MR board options. Manufacturers are responding with bio-based binders and recycled content, but these products often carry a premium price, creating a tension between cost and sustainability.