Tile Backer Board


■ 100% waterproof, made of HCFC-FREE XPS foam

■ High-rigidity and durability

■ Close bond to any tiling walls or floors

■ Available at various thickness and sizes

■ Compatibility to multiple substructures

■ Vapor retardant against mildew

■ Light-weight, easy to handle and cut with utility knife



■ Attaching to masonry, concrete or plaster
■ Screwing onto laths and supports
■ Concrete floors
■ Timber floors
■ Under floor heating
■ Bath tubs and shower tray surrounds
■ Vanity and shelving
■ Pipe coverings


Tile Backer Board

Protect your tile surfaces and substrates from water and mold.

Like Kerdi Board

Protect your tile surfaces and substrates from water and mold.

As a professional manufacture, we can handle the custom products or OEM orders.

There are the common size of the tile backer board for you reference.

Products Sizes (can be customized)
Thickness(mm) Width&Length(mm) Weight(kg/㎡) Packaging
6 600*1200 2.7 10pcs/ctn
10 600*1200/2500 2.9 10pcs/ctn
12 600*1200/2500 3 10pcs/ctn
20 600*1200/2500 3.2 10pcs/ctn
30 600*1200/2500 3.4 10pcs/ctn
40 600*1200/2500 4.3 8pcs/ctn
50 600*1200/2500 4.3 6pcs/ctn
80 600*1200/2500 5.7 5pcs/ctn


100% waterproof, mold and mildew proof

High insulating properties due to its extruded polystyrene core

Strong and ready to tile surface made of reinforcing fiberglass mesh fully embedded in a cement based resin coating.

Extremely lightweight. Suit for installations over older structures and fast and safe handling on construction sites.

Easy and clean to cut to size using a utility knife.

No limitation to use of tile sizes or the type of tile.

No limitation to use of cement based thinset mortars and grouts.

Replaces cement boards plus the added waterproof membranes.

Available in multiple sizes and thicknesses for use as floor underlayment, wall and ceiling backer board, over countertops, tub decks, and for building seats or tileable furniture without need for any support made of wood or steel.


Besides the basic type, there are lots of other waterproof products made of tile backer board.

Such as shower tray for different type of shower drains like linear, square or round shape shower drains.

And shower niche box and shower bench, shower curb and bathtub cladding.


Blosam,from Shandong, definitely is a forerunner in waterproofing products field in China.

Blosam took the lead in developing and producing uncoupling membrane, underfloor heating mat,  and tile backer boards series products.

By meeting strict international standards,our products are rapidly mass produced and exported to Europe and North America.

The backer board has passed various tests: SGS NO CFC NO CFC. (Fluorine-free and bromine-free test), ASTM E84 test, European EN13501 test, American ASTM C518-17, ASTM C947, ASTM 473, ASTM 297, ASTM G21 test.

The waterproof membrane has passed the American National Standard Test.Recently, it applied the American cUPC certification.

Now, Blosam has obtained European CE certification and has over 20 patents.

And more than 30 trademarks were also applied for in 2021.

As the expert of construction waterproofing products, Blosam will still continuously improves the process.And seek for better materials and excellent quality.

If you are interested in, please feel free to contact us for the product catalog or ask for the quote.

We will reply as soon as possible.

Email: info@xps-tile-backer-board.com

Our Alibaba Store:  https://xps-tile-backer-board.en.alibaba.com