Standard Waterproof XPS Backer Board | Wholesale Manufacturer & OEM Supply
The Standard Waterproof XPS Backer Board is a high-performance, rigid, and lightweight tile substrate specifically engineered for wet-area construction. Designed to provide a dimensionally stable, moisture-resistant foundation, it is the ideal backing board for ceramic, porcelain, mosaic, and natural stone tiles in residential bathrooms, walk-in showers, commercial wet rooms, and spa retreats.
Constructed with an extruded polystyrene (XPS) closed-cell foam core and reinforced on both sides with an alkali-resistant fiberglass mesh and a modified cementitious coating, these boards offer contractors and distributors a reliable, superior alternative to traditional cement backer boards.
Core Advantages
1. High Moisture Resistance & Low Water Absorption
Traditional cement boards can absorb moisture through their porous structures, often leading to tile failure and mold growth. Our XPS backer boards feature a closed-cell foam matrix that completely blocks water penetration.
Key Performance: Extremely low water absorption rate (typically < 1% by volume).
Application Benefit: Actively protects underlying wall and floor structures in heavy-moisture zones such as shower enclosures, steam rooms, and commercial pool surrounds.
2. Lightweight Construction for Logistics & Efficiency
XPS foam significantly reduces dead weight compared to conventional cement-based substrates without sacrificing compressive rigidity.
Logistics Benefit: Lowers container shipping costs and optimizes warehouse storage utilization.
On-Site Benefit: Easier manual handling for installers, minimizing cutting fatigue and significantly speeding up wall and floor installation times.
3. Superior Thermal Insulation Properties
The inherent cellular structure of XPS provides dependable thermal insulation (lambda <= 0.035 W/(m*K)).
Energy Efficiency: Minimizes heat transfer through exterior walls and unheated subfloors.
System Pairing: Serves as an exceptional companion substrate for electric or water-based underfloor heating systems.
4. Reinforced Bond Strength & Structural Integrity
Both faces of the board are embedded with an alkali-resistant fiberglass mesh and coated with a specialized cement layer.
Adhesive Compatibility: Formulated to seamlessly accept standard thin-set tile mortars and polymer-modified adhesives.
Crack Prevention: Controls surface stress and minimizes micro-cracking under heavy tile loads.
5. Exceptional Dimensional Stability
Resistant to thermal expansion and contraction caused by fluctuating ambient temperatures, ensuring a permanently flat, stable plane behind tile finishes over years of use.
Technical Specifications & Compliance
|
Item |
Specification |
|
Core Material |
Extruded Polystyrene (XPS) Closed-Cell Foam |
|
Surface Treatment |
Alkali-Resistant Fiberglass Mesh + Cementitious Coating |
|
Compressive Strength |
>= 300 kPa (Standard density grades available) |
|
Thermal Conductivity |
<= 0.035 W/(m*K) |
|
Fire Rating |
Euroclass E (Compliant with standard building safety requirements) |
|
Available Thicknesses |
6mm / 10mm / 12mm / 20mm (Customized upon request) |
|
Standard Dimensions |
1200 x 600mm (Custom lengths available for volume orders) |
|
Edge Profiles |
Square Edge / Rebated (Step-edge) |
|
Processing Tools |
Utility knife, handsaw, standard carbide-tipped tools |
|
Quality & Safety Standards |
Manufactured under ISO9001 quality management systems, compliant with CE standards |
Typical Applications
Residential & Hospitality
Shower walls, bathroom partitions, bathtub surrounds, and kitchen backsplashes.
Commercial Wet Areas
Locker rooms, fitness centers, luxury spa retreats, and hotel bathrooms.
Sub-flooring
Premium tile backing over timber or concrete subfloors prior to underfloor heating installation.
Manufacturing & Factory Support
Strict Quality Control: Raw foam density, board thickness tolerance (+/- 0.5mm), and surface pull-off bond strength are rigorously tested per production batch.
OEM & Private Label Services: Custom dimensions, tailored thickness profiles, and private-label film wrapping or carton printing are fully supported for bulk importers and wholesalers.
Secure Export Packaging: Edge-protected palletization designed specifically for secure 20GP/40HQ container loading to minimize transit damage.
FAQ
Q: What is Standard Waterproof XPS Backer Board used for?
A: It is primarily used as a waterproof tile substrate for bathrooms, showers, kitchens, balconies, swimming pools, and other wet areas, providing a stable foundation for ceramic, porcelain, and stone finishes.
Q: Is XPS Backer Board completely waterproof?
A: The XPS foam core features a closed-cell structure that prevents water penetration through the board core. However, proper waterproofing treatments (such as sealing joints and screw penetrations) should always follow local building codes and installation guidelines.
Q: Can XPS Backer Board be used for shower walls?
A: Yes. It is widely specified for shower wall applications because its moisture-resistant XPS core and reinforced surface create an ideal, mold-resistant base for tile installation.
Q: Can tiles be installed directly on XPS Backer Board?
A: Yes. Tiles can be installed directly onto the board using compatible tile adhesive after proper mechanical fastening or bonding and surface preparation.
Q: What thicknesses are available for bulk orders?
A: Standard thicknesses include 6mm, 10mm, 12mm, and 20mm, with custom thicknesses and sizes available to meet specific project or market requirements.
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