Waterproof Bathroom Backer Board | Direct Factory Supply
Engineered for professional tile installations in showers, wet rooms, and commercial washrooms, our cement-free waterproof backer board provides a rigid, moisture-stable substrate. It is designed to replace traditional paper-faced drywall and heavy cement boards, eliminating substrate swelling and tile cracking in high-humidity environments.
As a direct manufacturer, we supply global building material distributors, tile accessory wholesalers, and large-scale contractors with bulk production, strict thickness tolerances, and full OEM customization, backed by international manufacturing and testing standards.
Core Technical Advantages
100% Waterproof Core: The extruded core prevents water migration and continuous moisture absorption. Unlike gypsum-based substrates that degrade upon water exposure, this board maintains structural integrity behind tile assemblies, preventing mold growth and loose tiles.
Dimensional Stability: Engineered to resist thermal expansion and contraction. It maintains board flatness under fluctuating humidity, protecting grout lines and preventing tile cracking caused by substrate movement.
Lightweight & High Strength: Significantly lighter than traditional cement boards, reducing on-site handling fatigue, cutting installation time, and lowering transportation costs while retaining high compressive and flexural strength for heavy porcelain and stone tiles.
Enhanced Tile Adhesion: The specially treated surface creates a high-friction mechanical bond compatible with standard thin-set mortars, epoxy adhesives, and waterproofing membranes.
Mold & Mildew Resistance: Contains no organic paper facings or cellulose materials, eliminating food sources for mold and mildew in continuously wet environments.
Standard & Custom Specifications
|
Item |
Specification |
|
Product Type |
Waterproof Bathroom Backer Board (Cement-Free) |
|
Primary Applications |
Shower walls, wet rooms, bathroom partitions, commercial washrooms |
|
Core Material |
Moisture-resistant extruded composite core |
|
Surface Finish |
Textured, high-adhesion bonding face |
|
Standard Thickness |
6mm, 10mm, 12.5mm, 20mm (Custom thicknesses available) |
|
Standard Dimensions |
1200 × 600 mm, 2400 × 600 mm, 2600 × 900 mm |
|
Edge Profile |
Square edge / Shiplap / Tongue & Groove |
|
Fixing Method |
Mechanical screw-fixing with washers + joint sealing |
|
Tile Compatibility |
Ceramic, porcelain, glass mosaic, natural stone, large-format slabs |
Target Applications
Residential Construction
Shower surrounds, bathroom feature walls, bathtub decks, and wet room partition framing.
Commercial Projects
Hotels, apartment complexes, hospitals, and public sports facilities requiring long-term moisture control and rapid installation schedules.
Wholesale & Distribution
Stocking standard sizes for local tile contractors or supplying private-label building products.
Manufacturing, Quality Control & Compliance
Core Extrusion: Automated production lines extrude uniform moisture-resistant composite panels to maintain strict thickness tolerances (±0.2 mm).
Surface Treatment: Mechanical texturing is applied to both faces to optimize mortar shear strength.
Precision Cutting: CNC cutting ensures square corners and exact dimensions for seamless on-site joint alignment.
Batch Testing: Routine factory testing monitors water absorption rates, flexural strength, and freeze-thaw stability prior to packaging.
Quality & International Compliance: Manufactured under strict ISO 9001 quality management systems. Our products comply with rigorous international performance benchmarks, including CE standards and ASTM testing methods, supported by comprehensive third-party laboratory test reports.
OEM, Packaging & Export Services
We support private label and bulk commercial programs for international distributors:
Custom Dimensions: Tailored lengths, widths, and thickness profiles to match regional market standards.
Private Labeling: Custom printed surface films, branded product labels, and customized corrugated cartons.
Export Packaging: Stacked on fumigation-free plywood pallets, reinforced with edge protectors and stretch film to prevent transit damage during ocean freight.
Flexible B2B Support: Low Minimum Order Quantity (MOQ) for trial orders, free material samples for quality evaluation, and reliable standard lead times (15–25 days) to keep your supply chain running smoothly.
FAQ
Q: What is a waterproof bathroom backer board used for?
A: A waterproof bathroom backer board is used as a stable substrate behind tiles in moisture-exposed areas such as showers, bathrooms, wet rooms, and commercial washrooms. It provides a durable surface for tile installation while helping protect the wall structure from moisture damage.
Q: Can this backer board be installed in shower areas?
A: Yes. It is designed for shower walls and other wet applications where moisture resistance and tile support are required. Proper installation methods, including sealing joints and using appropriate waterproofing systems, should be followed according to project requirements.
Q: What tiles can be installed on this waterproof backer board?
A: The board is suitable for most common tile finishes, including ceramic tiles, porcelain tiles, mosaic tiles, and natural stone tiles.
Q: What makes waterproof backer board better than regular drywall?
A: Regular drywall can absorb moisture and lose strength in wet environments. Waterproof backer boards are specifically engineered for moisture-prone areas and provide a more stable surface for tile installation.
Q: Can you provide customized sizes?
A: Yes. We support customized dimensions, thickness options, packaging, and OEM solutions based on customer project requirements.
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