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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.

  • 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
Surface Burning Characteristics; ASTM E84-04 and UL 1715 Passes
Tensile Strength (Thinset Mortar to wedi Coating to Foam); ASTM C297 65 PSI
Shear Strength (Thinset Mortar to wedi Coating to Foam); within ANSI 118.10-1999; *wet conditions 54 PSI
Flexural Strength; ASTM C947 627 PSI
Linear Variation: ASTM D 1037 (ICC –EG 159) = < 0.07% / passes
wedi Fastener Pull Through Strength; ASTM C 473 Wet 131.8 PSI/ Dry 196.2 PSI
Accelerated Aging Test; AC71-25 Cycles No Disintegration
Waterproofness; ASTM D4068 and within ANSI 118.10-1999 Passes
Waterproofness of Assembled System; IAPMO PS 106-2015 Passes
Capillarity 0
Temperature Exposure Limits -58°F to + 175°F
R- Value; ASTM C518 4.3hr ft. 2 F/Btu/in (R – value for 1 inch of wedi foam = 4.3
Robinson Floor Test; ASTM C627
*with 8” x 8” x ¼” Porcelain Tile
Heavy Duty Commercial Use, Passes
Fungus & Bacteria Resistance No Growth , Passes

Building & Plumbing Code Compliance
2015,2012,and 2009 International Plumbing Code (IPC) Compliant
2015,2012, and 2009 International Residential Code (IRC) Compliant
2015,2012, and 2009 International Building Code (IBC) Compliant
2010 and 2005 National Plumbing Code of Canada Compliant
2012 and 2009 Uniform Plumbing Code (UPC) Compliant
2012 and 2009 National Standard Plumbing Code (NSPC) Compliant
ANSI 118.10-2008 Load – Bearing Bonded, Waterproof Membranes for Thinset Ceramic Tile and Dimension Stone Installations Compliant
IAPMO PS 46-2012 Field Fabricated Tiling Kits Compliant
IAPMO PS 106-2015 Tileable Shower Receptors and Shower Kits Compliant
ICC-ES EG 159; Evaluation Guideline for Composite Backer Board Compliant
ICC-ES AC71; Acceptance Criteria for Foam Plastic Sheathing Panels Used as Water Resistive Barriers Compliant
New York City Approval OTCR Approved
City of L.A. Approval Approved; Report No M-100017 in reference to ICC ES PMG 1189
Illinois State Approval IDPH Approved

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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