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Model #KB121220812

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Kerdi-Board 1/2 in. x 32 in. x 48 in. Building Panel

Questions & Answers
  • Multi-functional tile used on building and substrate panels
  • Made with a durable and waterproof extruded polystyrene
  • Lightweight structure ensures easy handling and transportation
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Product Overview

Kerdi-Board is a multifunctional tile substrate and building panel that can be used for creating bonded waterproofing assemblies with tile coverings. Kerdi-Board is made from an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effective anchoring in thin-set mortar. It can be used in the creation of a broad range of building elements, such as showers and bathtub surrounds.
  • California residents
  • Panel dimensions are 1/2 in. x 32 in. x 48 in.
  • Made of extruded polystyrene foam
  • Dust-free and easy to cut with a utility knife
  • Lightweight, easy to handle and transport
  • Gridlines printed on the surface help for neat cuts
  • Tile can be installed directly over Kerdi-Board using the thinset method
  • For use with ceramic and natural stone tile

Info & Guides

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Kerdi-Board 1/2 in. x 32 in. x 48 in. Building Panel
1 Gal. Repair AdhesiveRedGard 1 Gal. Waterproofing and Crack Prevention Membrane
BrandMiracle SealantsSchluterFix-A-FloorCustom Building Products
NameLevolution Leveling Caps (50 Pack)Kerdi-Board 1/2 in. x 32 in. x 48 in. Building Panel1 Gal. Repair AdhesiveRedGard 1 Gal. Waterproofing and Crack Prevention Membrane
Flooring Material FeaturesSelf-Leveling Crack resistant,Mold/mildew resistant,No mixing required,Rapid setting,Self-Leveling,Water basedAttached vapor barrier,Crack resistant,Fast-drying,Moisture resistant,Mold/mildew resistant,No mixing required,Premixed,Rapid setting,Waterproof,Waterproofing membrane
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Questions & Answers


what flame spread of this? looking for 25 flame spread

Asked by clif February 20, 2020

What is the weight on one Schluter Kerdi-Board 1/2 in. x 32 in. x 48 in. Building Panel? Can you ...

Asked by Agnessiol January 18, 2019

Dose this board have an R value on it?

Asked by ski September 1, 2017

Is the 48" X 96" available thru Home Depot?

Asked by Frank April 4, 2017

Hello Frank, we do not offer the 48" x 96" Kerdi-Board Building panel on We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!

Can I use this under floor tile?

Asked by Chip August 5, 2016

Is this product mold resistant?

Asked by EC July 28, 2016

No, it is not mold resistant.

Can Kerdi-Board be used outside?

Asked by jain April 4, 2015

According to the manufacturer, not at this time.

Can you even buy this from Home Depot?

Asked by TileMaster March 29, 2015

It is in stock in my Commack store, but not the others for some reason.

can i use kerdi board on the ceiling making a steam room, what size thickness?

Asked by ag January 28, 2015

Yes if it is a residential steam room but in a commercial steam room you would have to put Kerdi DS over top of the kirdi board. You also need to make sure your ceiling is sloped 2" per ft.

I'm interestested in using this as backer board for MS International Ledger Panels

Asked by Jagarang October 15, 2014

Absolutely! and think of all the time you would save.

Kerdi-Board 1/2 in. x 32 in. x 48 in. Building Panel - page 2

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