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Kerdi Polystyrene Foam Backer Board

Article #32055007 Model #KB121220812 Format 32"x48"
This item is not currently available for immediate purchase, but can be ordered by visiting the selected store.
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Description

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.
  • The KERDI-BOARD is a multifunctional tile substrate and building panel, which can be used for creating bonded waterproofing assemblies with tile coverings
  • Features an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effecting anchoring in thin-set mortar
  • Allows for the creation of a broad range of building elements, such as showers, bathtub surrounds and platforms, countertops, vanities, and shelving
  • Even, impact-resistant, and rigid
  • Waterproof, temperature-resistant, and dimensionally stable
  • Lightweight, and easy to handle and transport
  • Dust-free and easy to cut with a utility knife
  • Panel measurements: 1/2-in (thick) x 32-in x 48-in

Product specifications

Actual Length (cm)
121.92
Actual Length (in)
48
Actual Length (mm)
1219.2
Actual Thickness(cm)
1.27
Actual Thickness (in)
0.5
Actual Thickness (mm)
12.7
Actual Width (cm)
81.28
Actual Width (in)
32.0
Actual Width (mm)
812.8
Ansi A118.9 Compliant
No
Astm C1288 Compliant
No
Common Measurement (w X L)
48-in x 32-in
Common Thickness In Inches
1/2-in
For Use With Bathroom Floors
No
For Use With Bathroom Walls
Yes
For Use With Fireplace Exteriors
No
For Use With Garage Floors
No
For Use With Garage Walls
No
For Use With Kitchen Backsplashes
Yes
For Use With Kitchen Counters
Yes
For Use With Patios
No
For Use With Pools
No
For Use With Shower Floors
No
For Use With Shower Walls
Yes
For Use With Vinyl Floors
No
Item Disclaimer
Additional images - only Kerdi-Board panel included
Material
Polystyrene foam
Model Description
Kerdi 0.5-in x 32-in x 48-in Polystyrene Foam Backer Board
Series Name
Kerdi-Board
Warranty
10-year limited
Water Protection
Water resistant
Weight (kg)
0.988848
Weight(lbs.)
2.18

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Do you have to put drywall behind it or you just install it on top of wood structure?

Asked by: RebeccaL
It is installed over the wood structure no need for drywall
Answered by: Andybarb
Date published: 2022-08-18

Can this be used as drywall for kitchen, to put backsplash

Asked by: Iraa
Hi Iraa, You can use it to install backsplash and seeing that it’s already waterproof it will add that extra protection. However keep in mind that you cannot plaster or paint on this product like a drywall. Hope that answers your questions, feel free to reach our customer service by phone should you have any additional questions. 1 800-667-8746
Answered by: Schluter Systems Canada
Date published: 2021-08-14

Can I glue a DPI tile pannel on it, if ok what glue (Lepage 2 in 1 ?)

Asked by: Anonymous
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Kerdi Polystyrene Foam Backer Board is rated 4.7 out of 5 by 19.
Rated 5 out of 5 by from Making the tedious easy When faced with handling backer board and waterproofing a shower installation, this is an amazing time saving product. I would imagine that if you were paying a contractor, the savings on their time would more than pay for the cost. It is pricey, but worth it. combining this with the other Schluter products makes the whole project painless. It is now possible to start with a framed shower stall with plywood floor and be laying tile the same day.
Date published: 2017-02-15
Rated 5 out of 5 by from Kerri board is the way to go! A little pricey but beats concrete board on several levels. Easier to handle, carry, load, unload, cut, and install. No messy, dust filled saw blades required cutting concrete. Just a razor knife. No hernias lifting Hardi backer. You can cut it right at the job instead of outside, making fine adjustments so much easier. With this stuff, I didn’t feel a twinge of guilt asking my wife to fetch it out of the truck! (I’m not sponsored by anyone.)
Date published: 2018-06-10
Rated 4 out of 5 by from Kerdi-Board [This review was collected as part of a promotion.] Very easy to handle, and it fit in the back seat of my car! Easy to cut straight lines (especially with the grid lines) and holes for shower, etc. Have the panels up, ready to install tiles around the tub surround. Would be 5 stars if it was not so expensive, but I did not want to use cement backer board as I have in the past. I will use it again when we build a new bathroom in our addition.
Date published: 2019-03-27
Rated 5 out of 5 by from Great product [This review was collected as part of a promotion.] Wall panels are very easy to work with- lightweight, cuts easily with utility knife or power saw, attachment is a breeze with Kerdi washers and screws. Only complaint is that Lowe’s only sells these in multiples of 12.
Date published: 2019-06-11
Rated 5 out of 5 by from Excellent Much better than cement backer board at creating a true moisture barrier for showers. Traditional backer board requires 2-coats (read the fine print) of membrane to achieve manufacture rating. So while you do have to seal the fasteners with Kerdi board, it’s still a labor savings over applying the membrane coating.
Date published: 2018-12-05
Rated 5 out of 5 by from Kerdiboard [This review was collected as part of a promotion.] Kerdiboard is an excellent product for waterproofing a bathroom or kitchen. It's lightweight and easy to cut to size yet completely waterproof. I just wish Lowe's sold more than on size.
Date published: 2019-03-20
Rated 5 out of 5 by from Great product [This review was collected as part of a promotion.] Very easy to use & install - system maybe the best for DYI shower water proofing - it does have a lot of steps but results will be a leak proof shower - the broad goes up quick and easy
Date published: 2019-02-11
Rated 5 out of 5 by from Great Alternative to concrete board [This review was collected as part of a promotion.] This stuff is pretty expensive, but makes for a much easier job of preparing a wall for tile. I had to make a choice of this versus cutting concrete board outside in -9 degree weather. I chose this. Easy to put up and all you need is a utility knife to cut it to size.
Date published: 2019-02-09
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