|
| Marca: | SUNHOUSE |
| Número do modelo: | 1220x244m-12mm |
| MOQ: | 800 |
| Condições de pagamento: | L/C,T/T |
Moisture resistant gypsum board is designed for interior locations where humidity, condensation or occasional water splashes are more likely than in normal dry rooms. It is not automatically waterproof and should not be selected only because the facing paper is green. Correct procurement requires buyers to classify the water exposure, confirm the applicable product standard, review the complete wall or ceiling system and determine whether a separate waterproofing membrane is required.
Suitable products can provide improved performance in humid interior rooms compared with standard gypsum wallboard.
Some boards may be used where occasional splashing is expected, subject to the product and system instructions.
Continuous direct water requires a specifically approved wet-area substrate and waterproofing system.
Board, framing, joints, membrane, finish, ventilation and room use should be reviewed together.
Moisture resistant gypsum board is formulated to reduce water absorption and improve performance in humid interior conditions. Depending on the product, this may involve a treated gypsum core, moisture resistant facing materials, mold resistant components or a combination of these features. The treatment improves tolerance to moisture but does not convert the panel into a permanently waterproof sheet.
A moisture resistant panel may form one layer of a bathroom or tiled wall, but it should not be expected to stop continuous water penetration by itself. Direct-water areas may require an approved membrane, sealed joints, compatible tile adhesive, protected penetrations and a substrate specifically permitted for the intended exposure.
| Performance Term | General Meaning | What It Does Not Automatically Mean | Buyer Verification |
|---|---|---|---|
| Moisture Resistant | Reduced sensitivity to humidity and limited moisture exposure compared with standard interior gypsum board. | It does not automatically permit permanent water contact, exterior exposure or submerged use. | Review product classification, water absorption data, intended-use statement and installation instructions. |
| Water Resistant | Improved ability to resist water absorption under defined product-test conditions. | It does not mean that water cannot pass through joints, cut edges, penetrations or damaged areas. | Confirm the test standard, specimen condition, acceptance criteria and permitted application. |
| Mold Resistant | The product has been designed or tested to reduce mold growth under specified laboratory conditions. | It does not prevent mold where leaks, condensation, dirt and prolonged dampness remain uncontrolled. | Review the exact mold test, rating scale, product surface and test limitations. |
| Waterproof | A complete layer or system intended to prevent water passing into moisture-sensitive construction. | This term should not be assigned to ordinary moisture resistant gypsum board without specific supporting documentation. | Confirm the membrane, joints, corners, drainage, penetrations and system warranty. |
The correct board should be selected according to actual exposure rather than the general room name. One bathroom can contain a relatively dry vanity wall, a humid ceiling and a direct-spray shower enclosure requiring three different construction approaches.
Moisture resistant gypsum board is commonly considered for interior areas with elevated humidity or occasional splashing where the surface can dry and no continuous water exposure is expected.
Some moisture resistant boards are approved by their manufacturers as tile substrates in wet-use areas. The complete construction may require a tanking or waterproofing system, sealed penetrations and compatible tile installation materials.
Standard paper-faced moisture resistant gypsum board should not be selected by default for continuously wet, highly condensed, submerged or weather-exposed environments.
| Application | Typical Exposure | Moisture Resistant Gypsum Board Position | Recommended Review |
|---|---|---|---|
| Bathroom Dry Wall | Elevated humidity with no direct shower spray. | Generally suitable when installed in a ventilated interior system. | Confirm board thickness, finish, framing and local code. |
| Bathroom Ceiling | Humidity, condensation and warm vapor. | May be suitable if approved for ceiling use and installed at the required framing centers. | Check sag resistance, thickness, ventilation and fastener spacing. |
| Kitchen Wall | Humidity, cooking vapor and occasional cleaning splashes. | Common moisture resistant board application. | Protect areas behind sinks or equipment according to expected exposure. |
| Laundry Room | Humidity, condensation and occasional splashes. | Generally suitable where leaks and standing water are controlled. | Review appliance connections, drainage and room ventilation. |
| Residential Shower Wall | Repeated direct spray and tiled finish. | Use only when the exact board and complete wet-area system are approved for this application. | Confirm membrane, joints, corners, penetrations and tile system. |
| Bathtub Surround | Intermittent direct splashing. | Product- and system-dependent. | Review manufacturer wet-area guidance and waterproofing requirements. |
| Public Shower Room | Frequent water, heavy use and limited drying time. | Standard paper-faced moisture resistant board is generally not the preferred default substrate. | Consider a dedicated wet-area board and complete membrane system. |
| Steam Room | Continuous vapor, high temperature and condensation. | Not suitable unless a specialist system is specifically approved. | Use a designed steam-room assembly with vapor and waterproofing control. |
| Indoor Swimming Pool | Persistent humidity, chemicals and condensation. | Standard moisture resistant board should not be assumed suitable. | Obtain specialist system approval for board, framing, fixings and finishes. |
| Conditioned Basement | Potential humidity with controlled interior conditions. | May be suitable after water intrusion and condensation risks have been resolved. | Check wall drainage, insulation, vapor control and ventilation. |
| Exterior Wall Exposed To Rain | Weather, wind-driven rain and temperature cycling. | Interior moisture resistant plasterboard is not an exterior sheathing. | Specify an exterior sheathing or cladding substrate designed for exposure. |
| Protected Exterior Soffit | Exterior humidity but protected from direct liquid water. | Requires a board specifically classified and approved for exterior soffit use. | Do not substitute normal interior moisture resistant board. |
| Flood-Prone Ground Floor | Potential standing water or repeated flooding. | Not suitable as the primary flood-resistant wall lining. | Use materials and details selected for flood recovery and water exposure. |
Product terminology varies between markets. Buyers should request the exact standard and classification instead of relying on descriptions such as green board, waterproof drywall or bathroom board.
| Classification Or Description | General Product Position | Buyer Focus |
|---|---|---|
| ASTM C1396 Water-Resistant Gypsum Board | Designed primarily as a backing for ceramic or plastic tile on walls or ceilings and also suitable as a decoration base. | Confirm product type, thickness, physical tests, intended application and local installation requirements. |
| EN 520 Type H1 | Plasterboard with reduced water absorption performance within the Type H classification. | Review the Declaration of Performance, intended use, total water absorption and surface water absorption data. |
| EN 520 Type H2 Or H3 | Type H plasterboards with different declared levels of reduced water absorption. | Do not assume all Type H boards provide the same performance. |
| Fire And Moisture Resistant Board | Combines moisture resistance with an identified fire resistant product classification. | Verify both moisture data and the complete fire rated assembly. |
| Mold And Moisture Resistant Board | Uses treated core, facing materials or both to improve moisture and mold performance. | Review the mold test method and remember that dry construction and leak control remain necessary. |
| Glass Mat Gypsum Panel | Uses glass mat facings instead of conventional paper and may be designed for particular interior or exterior applications. | Confirm the exact product standard, exposure limit and system use. |
| Cement Board | Water-durable tile substrate commonly considered for wet areas. | Cement board itself should not automatically be treated as the complete waterproofing system. |
When a manufacturer-approved moisture resistant gypsum board is used behind tiles in a wet-use area, the board should be treated as one part of a coordinated wall system. The system must control water at surfaces, joints, corners, fasteners and service penetrations.
This diagram explains the general coordination of a tiled wet-area system. Actual products, membrane location, vapor control, joint treatment and installation sequence must follow the approved project and manufacturer details.
Water can enter through joints, corners, penetrations, damaged sealant or cracks in the finish. Where the project requires waterproofing, the specified membrane and all transition details should be completed before the decorative finish is installed.
Distinguish occasional splashing from daily direct spray, standing water or constant condensation.
Materials in a ventilated residential bathroom face different risks from materials that remain damp throughout the day.
Mechanical extraction, air movement and room temperature influence condensation and drying performance.
Paint, tiles, wall panels and membranes create different levels of moisture protection and vapor resistance.
Cut edges, screw heads, corners and board joints may require compatible sealants, compounds or membrane reinforcement.
Insulation, vapor control, plumbing and exterior-wall conditions affect condensation risk inside the partition.
Residential bathrooms, hotels, hospitals, gyms and public showers can have very different daily moisture loads.
The exact board, thickness, framing and finish should be permitted for the intended system and exposure.
| Bathroom Area | Exposure Level | Preferred Specification Approach |
|---|---|---|
| Vanity Wall | Humidity and minor hand-washing splashes. | Moisture resistant board with a compatible washable finish. |
| Toilet Partition | Humidity with limited direct water. | Moisture resistant board selected according to impact, acoustic and fire requirements. |
| Bathroom Ceiling | Warm vapor and possible condensation. | Ceiling-approved moisture resistant board with controlled framing centers and effective ventilation. |
| Wall Beside Bathtub | Occasional or repeated splashing depending on use. | Determine whether it is outside or inside the defined wet zone. Add waterproofing where required. |
| Inside Shower Enclosure | Repeated direct water spray. | Use only a manufacturer-approved substrate and complete waterproof wet-area system. |
| Shower Base Or Floor | Standing water, drainage and continuous wetting. | Do not use ordinary moisture resistant gypsum board as the shower-pan or floor substrate. |
| Pipe Penetration Area | Local leakage and sealant failure risk. | Use compatible collars, seals or reinforced waterproofing details. |
Moisture resistant wallboard should not automatically be installed on ceilings. Ceiling performance depends on board thickness, framing spacing, board direction, fastener spacing, board weight, insulation load and the humidity conditions expected during service.
A board can have reduced water absorption but still require specific ceiling framing centers or thickness. Buyers should review both moisture data and ceiling application limits before ordering.
Projects such as hotel bathrooms, apartment kitchens, hospital washrooms and fire rated service rooms may require both moisture resistance and documented fire performance. One property should not be assumed to prove the other.
| Performance Requirement | Document To Review | Important Limitation |
|---|---|---|
| Moisture Resistance | Product standard, water absorption data and intended-use information. | Reduced absorption does not create a complete waterproof system. |
| Fire Resistant Board Classification | Type X, Type F or the applicable product classification document. | Board classification does not establish the final wall fire duration. |
| Complete Fire Rating | Tested or listed wall, shaft, ceiling or floor-ceiling assembly. | The moisture resistant version must be permitted in the assembly. |
| Mold Resistance | Relevant laboratory test report and product-surface identification. | Laboratory performance does not compensate for active leaks. |
| Tile Substrate Use | Manufacturer wet-area instructions and compatible system documents. | Approval may depend on membrane, adhesive and tile weight. |
Identify whether the board is for a wall, ceiling, shaft, tile substrate, dry zone or direct-spray area.
Separate humidity, condensation, occasional splash, direct spray, standing water and exterior weather exposure.
Identify ASTM C1396, EN 520 Type H or the applicable destination-market classification.
Check framing, board thickness, joints, membrane, finish, insulation and ventilation together.
Confirm fire, acoustic, impact, mold and ceiling requirements where the project needs combined performance.
Review board markings, thickness, dimensions, edge condition, facing quality and water absorption documentation.
Add the manufacturer, product name, classification, thickness and approved application to the purchase order.
Keep boards dry, flat and protected from rain, container condensation and standing water.
Board color does not prove water absorption, mold or wet-area performance.
The quotation may confuse moisture resistance with a complete waterproof system.
The buyer cannot verify the claimed moisture resistant classification.
The required membrane, joints, tile adhesive and exposure limitations are unclear.
Similar appearance may conceal a different core formulation and product code.
Moisture resistance does not establish fire resistant board or assembly performance.
The board may sag if thickness and framing centers are unsuitable.
Construction moisture can be trapped inside completed wall cavities.
Interior MR board may be damaged by rain, sunlight and temperature cycling.
Moisture resistance does not mean boards can be delivered soaked or water-damaged.
Unsealed corners and penetrations can defeat the intended wet-area protection.
Persistent condensation may remain even when moisture resistant boards are used.
Moisture resistant gypsum board must still be protected from rain, standing water and container condensation. The moisture resistant treatment is designed for service conditions, not uncontrolled soaking during storage or transportation.
Moisture Resistant Gypsum Board For Interior Wall And Ceiling Applications, Specified Thickness And Dimensions, Tapered Or Square Edge As Required, Compliant With The Applicable ASTM C1396 Or EN 520 Type H Classification, With Water Absorption Data, Product Identification, Batch Traceability And Manufacturer Installation Instructions.
Combined Fire And Moisture Resistant Gypsum Board, Exact Manufacturer And Product Designation, Specified Thickness, Applicable Product Standard, Approved For The Referenced Fire Rated Assembly And Intended Humid-Area Use, With Water Absorption Data, Fire Documentation And Batch Identification.
No. It is designed to provide improved moisture resistance compared with standard gypsum board, but it should not automatically be treated as a waterproof barrier.
Only when the exact product and complete wet-area system are approved for the application. A waterproofing or tanking membrane may also be required.
Some manufacturers permit direct tiling in specified applications. Buyers should confirm board preparation, tile adhesive, tile weight, joint treatment and waterproofing requirements.
Board color is not a universal technical classification. Verify the printed product designation, standard and water absorption data.
Ordinary interior moisture resistant board is not intended for weather exposure. Exterior use requires a product specifically classified for the intended soffit, sheathing or exterior system.
It may be used when the product is approved for ceiling applications and the thickness, framing spacing, fasteners and ventilation comply with the system requirements.
No. Mold resistant products can improve performance under defined conditions, but leaks, condensation, surface dirt and prolonged dampness must still be controlled.
Water-exposed boards should be inspected according to the product manufacturer's guidance. Swelling, paper separation, distortion, mold or loss of strength may require rejection.
Cement board is generally water-durable, but it should not automatically be treated as the complete waterproofing layer. Wet-area designs may still require a membrane and sealed transitions.
Confirm the exposure zone, product classification, thickness, water absorption data, wall or ceiling use, wet-area approval, waterproofing system, fire requirements, packaging and batch identification.
Provide the room type, dry or wet zone, wall or ceiling application, expected water exposure, destination standard, fire requirements, board thickness and order quantity. The appropriate moisture resistant board and supporting waterproofing system can then be reviewed before bulk production.
english
français
Deutsch
Italiano
Русский
Español
português
Nederlandse
ελληνικά
日本語
한국
العربية
हिन्दी
Türkçe
indonesia
tiếng Việt
ไทย
বাংলা
فارسی
polski
