Waterproof Tile Backer Board – XPS Backer Board Wholesale from China

Name: EcoTerra Waterproof Tile Backer Board (XPS core) ET-WB series
Brand: EcoTerra
SKU: ET-WB

EcoTerra® ET-WB waterproof tile backer board: an XPS foam core reinforced with alkali-resistant fibreglass mesh and coated with polymer-modified mortar. Supplied by Xinji Chaowei New Material Technology Co., Ltd., authorized distributor; manufactured by Langfang Huaneng New Building Materials Co., Ltd.

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Why an XPS tile backer board?

Waterproof & moisture-proof closed-cell XPS core – blocks water-vapour migration
Lightweight – easy to carry and cut on site
Decoupling layer helps prevent tile cracking and detachment
Thermal insulation and sound reduction
Compatible with tile adhesive, polymer and modified mortars
Mould & corrosion resistant; no formaldehyde

Typical uses: shower and bathroom walls and floors, wet rooms, kitchens, basements, interior wall levelling, ceilings, pipe boxing and shower floor trays.

Waterproof XPS tile backer board in multiple core colours, 1220x2440 mm

XPS backer board structure: XPS core, fibreglass mesh, polymer mortar

Tile backer board specifications

Core	XPS extruded polystyrene, closed-cell
Reinforcement	Alkali-resistant glass-fibre mesh, both faces
Surface	Polymer-modified mortar
Standard size	1220 × 2440 mm
Thickness	4 / 6 / 8 / 10 / 12 / 15 / 20 / 30 / 50 mm
Water absorption (96 h)	≤1.0 %
Compressive strength (10% def.)	≥350 kPa
Thermal conductivity	≤0.030 W/(m·K)
Surface fire rating	Class A non-combustible (surface layer)
Service temperature	-40 to +80 ℃

Source: manufacturer data; final values per the official product manual. Full specifications

Tile backer board wholesale for USA & Vietnam buyers

We supply distributors, contractors and importers with EcoTerra tile backer board in full sheets (1220 × 2440 mm) and thicknesses from 4 mm to 50 mm. Contact us with quantity and destination port for an FOB or CIF quotation; samples can be arranged on request. See also our XPS insulation board and FAQ.

XPS tile backer board shower floor installation

Get a quote fast — WhatsApp +86 180 3210 9111 (English). We reply with price, MOQ, FOB/CIF and samples.💬 Chat on WhatsApp