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wedi building panels XL and XXL

wedi building panels XL and XXL

„Stand-alone, robust wall solution with
only one single wedi building panel.“

Product information

wedi building panels have a blue core made from CFC-free extruded polystyrene rigid foam. This makes the wedi building panel an ideal basis for any type of plaster and tile. wedi building panels can be applied to practically any substrate, they are waterproof, insulating, versatile, light and robust.

These large building panels stand out because of their distinctive width, of up to 4' (1.20 m). This means that the XL and XXL building panels are easy assembly with all the benefits of the classic wedi building panel such as being light and easy to handle, despite their size. Simple to assemble and big in quality.

  • Eliminate number of fasteners and seams by virtually putting up shower walls in just one step and piece
  • The blue XPS core is 100% waterproof and remains fully functional even after possible damage.
  • The cemented surface is a good adhesive under-surface. The fibre fabric also absorbs tensile forces.
  • All building panel systems have great heat insulation properties,

All advantages at a single glance

Product video: wedi building panels XL and XXL

Technical data of building panel XL & XXL


wedi Building Panel Material Composition XPS/ Extruded Polystyrene Foam Core covered with fiberglass mesh fully embedded in a cement based resin coating
Thermal Conductivity (75°F (25°C) - ASTM C518) 0.23 Bbtu in/hr F
Tensile Strength (ASTM C297) 65 PSI
Shear Strength (Under conditions required in ANSI A118.10-1999) 28 day Shear Strength: 95 psi
84 day Shear Strength: 100 psi
100 day Shear Strength: 98 psi
Waterproofness; ASTM D4068 / ANSI A118.10-1999 Passed
Capillarity 0
R-Value 75°F (25°) - ASTM C518
4.3hr ft. 2 F/Btu/in (R Value for 1” wedi = 4.3)
Flexural Strength (ASTM C947) 627 psi
Robinson Floor Test (ASTM C627) Heavy duty commercial use, passed
Fastener Pull Through (ASTM C473) Wet 131.8 lb./Dry 196.2 lb.
Temperature Limits -58 / +175° F
Freeze & Thaw (ASTM C666 - 25 Cycles) No disintegration/change
Waterproofness of Assembly (ASTM E331) Passed, wedi Fundo Kit assembly (complete sytsem)
Fungus / Bacteria Resistance (ASTM G21) Passed, No Growth
Accelerated Aging (AC 71 - 25 Cycles) No disintegration
UL 1715 (Fire Test of interior Finish Material) Passed, flame spread <10
Linear Variation (ASTM D 1037 (ICC –EG 159)) Passed, less than 0.07%
Surface Burning Characteristics (ASTM E84-16) Classification A:
Flame Spread Index (FSI): 20
Smoke Developed Index (SDI): 70
Floor and Trench Drain Compliance (ASME A112.18.2) Passed, Compliant (ICC PMG 1189)

Product sizes

Order no. Designation Length x width x thickness
010000912 wedi building panel XL 1/2" (12.5 mm) 3' x 8' x 1/2" (900 x 2500 x 12.5 mm)
010001612 wedi building panel XXL 1/2" (12.5 mm) 4' x 8' x 1/2" (1200 x 2600 x 12.5 mm)
01000250 wedi building panel XXL 2" (50 mm) 4' x 8' x 2" (1200 x 2500 x 50 mm)

wedi building panels XL and XXL - Timecode 2:52

Area of application wedi building panels XL & XXL

  • XL and XXL building panels stand out because of their exceptional width up to 4' (1.20m). The XL and XXL building panels bring together all the benefits of classic wedi building panels and are also particularly light and easy to handle, despite their size. Simple to assemble and big in quality.

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