Product Brochure

Building Panel Applications - The Ultimate Tile Backer Board
wedi Building Panels have a blue core made from extruded polystyrene rigid foam. The foam core is formed by a closed cell
matrix, making the wedi Building Panel strong and internally waterproof. The foam core also retards water vapor but cannot
form a vapor barrier suitable in tiled steam rooms. The foam core provides insulation value.
The Building Panel core is reinforced on both sides with a strong mesh, fully embedded in a polymer modified cementitious
resin coating. The mesh provides uniform and directional strength to the wedi Building Panel to ensure safe tile backing. The
cementitious resin not only firmly controls and bonds the mesh, but it also transfers fully trough to the foam core for safe
and lasting adhesion. The resin coating provides exceptional bond capability to common tile adhesives, while it limits water
spread, which is important for functioning waterproofing of seams in the installation assembly. The wedi Building Panel is
a high performance tile backer board that works on its own, and within a shower system. It provides waterproofing and
moldproofing, and exceptionally strong tile backing. It is lightweight, clean and fast to install. It’s premium raw materials
as well as its perfected design and consistent, fully automated manufacturing process are a result of more than 37 years
experience as the world’s market leading producer in waterproof foam tile backer boards.
wedi high load XPS foam –
100% waterproof
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