Industrial Grade XPS Waterproof Backer Board for Building Construction
Industrial Grade XPS Waterproof Backer Board for Building Construction
Basic Properties
Place of Origin:
Hunan
Brand Name:
Baozhinuan
Certification:
ISO9001
Model Number:
Customizable
Trading Properties
Minimum Order Quantity:
500 square
Price:
35-55
Product Summary
High-Performance XPS Waterproof Backer BoardOur XPS waterproof backer board is designed for wet areas, tile installation, and interior wall/floor construction. Made with a rigid XPS foam core, reinforced fiberglass mesh, and cementitious coating, it provides excellent waterproof performance, ...
Product Custom Attributes
Model NO.:
2440mm*1220mm*10-50mm
Fire Rating:
B1
Customized:
Customized
Thickness:
8mm-20mm
Specific Type:
Waterproof
Product Advantage:
Sound Insulated
Core Advantages:
Lightweight And High-Strength
Transport Package:
Full Container Load Packing
Specification:
2440mm*1220mm
Trademark:
BOSNEL
Origin:
Hunan
Thickness:
10mm-50mm
Product Description
Detailed Specifications & Features
High-Performance XPS Waterproof Backer Board
Our XPS waterproof backer board is designed for wet areas, tile installation, and interior wall/floor construction. Made with a rigid XPS foam core, reinforced fiberglass mesh, and cementitious coating, it provides excellent waterproof performance, lightweight handling, and strong dimensional stability.
With easy cutting, fast installation, and reliable bonding with tile adhesive, this board is an ideal substrate for bathrooms, shower rooms, kitchens, floors, and wall systems.

Specification
Applications
1. Bathroom: Wall and floor substrate for wet areas
2. Shower Room: Waterproof backing board for tile installation
3. Kitchen: Moisture-resistant wall and floor application
4. Flooring: Lightweight underlayment for tile and stone
5. Interior Wall: Smooth and stable base board for decoration
6. Construction Projects: Suitable for residential, commercial, and renovation projects
2. Shower Room: Waterproof backing board for tile installation
3. Kitchen: Moisture-resistant wall and floor application
4. Flooring: Lightweight underlayment for tile and stone
5. Interior Wall: Smooth and stable base board for decoration
6. Construction Projects: Suitable for residential, commercial, and renovation projects



Key Configurations
Core Material: High-density XPS rigid foam core
Surface Layer: Cementitious coating for strong bonding with tile adhesive
Reinforcement: Alkali-resistant fiberglass mesh on both sides
Waterproof Layer: Moisture-resistant protective layer for wet areas
Board Structure: Lightweight sandwich structure with high stability
Installation: Easy to cut, carry, fix, and install on walls or floors
Surface Layer: Cementitious coating for strong bonding with tile adhesive
Reinforcement: Alkali-resistant fiberglass mesh on both sides
Waterproof Layer: Moisture-resistant protective layer for wet areas
Board Structure: Lightweight sandwich structure with high stability
Installation: Easy to cut, carry, fix, and install on walls or floors
Technical Specifications
(Custom sizes, thicknesses, surface colors, and packaging are available upon request.)
Item | Standard Board | Custom Board |
Core Material | XPS Foam | XPS Foam |
Thickness | 8-20mm | Customized |
Standard Size | 2440mm*1220mm | Customized |
Surface Material | Cementitious Coating + Fiberglass Mesh | Custom Available |
Application | Wall/Floor/Bathroom | Project Use |
Installation Method | Adhesive / Screws / Washers | Project-Based |
After Sales Service
Product Support: Professional product guidance and installation suggestions are available.
Custom Service: thicknesses, packaging, and branding can be provided.
Quality Control: Strict inspection is carried out from raw materials to finished products.
Technical Assistance: We provide product structure information, installation guidance, and project support.
Global Supply: Stable production capacity and export service for international customers.
Custom Service: thicknesses, packaging, and branding can be provided.
Quality Control: Strict inspection is carried out from raw materials to finished products.
Technical Assistance: We provide product structure information, installation guidance, and project support.
Global Supply: Stable production capacity and export service for international customers.
Company Profile



FAQ
Q: What is the main structure of your XPS waterproof backer board?
A: Our board is made of a high-density XPS foam core with double-sided fiberglass mesh reinforcement and polymer cement coating for superior waterproof and structural performance.
Q: Is the board completely waterproof?
A: Yes. The board has excellent waterproof performance and is specially designed for wet areas such as bathrooms, shower rooms, kitchens and other moisture-prone environments.
Q: What sizes and thicknesses are available?
A: Our standard size is 2440×1220mm, with standard thickness options from 8mm to 20mm. Custom sizes are available for bulk orders.
Q: Can the board be used for tile installation?
A: Yes. The polymer cement coated surface provides strong bonding performance, making it highly suitable for ceramic tile and stone tile installation.
Q: Is the board easy to install?
A: Yes. The lightweight design allows easy cutting, transportation and installation, which helps reduce labor costs and improve construction efficiency.
Q: Does the board provide thermal insulation?
A: Yes. The XPS core material provides excellent thermal insulation performance and helps improve building energy efficiency.
Q: Is the product suitable for interior and exterior walls?
A: Yes. The board can be widely used for interior walls, exterior walls, floor systems, bathrooms and other building waterproof applications.
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