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HardieBacker 3 ft. x 5 ft. x 1/4 in. Cement Backerboard

  • Tile backer board underlayment for floor and countertop install
  • Provides foundation for flooring and counters in kitchen or bath
  • Moisture resistant cement board provides excellent tile adhesion
  • See More Details

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Product Overview

James Hardie HardieBacker 1/4 in. Cement Board is a cement backerboard designed for use with floors and countertops. Works under interior floors to provide a solid foundation for tile, vinyl, wood and other flooring. 1/4 in. Cement Board will also work as a countertop backerboard and underlayment for tile, granite and other stone surfaces. Provides excellent adhesion, resists moisture and features MoldBlock Technology to protect the board against damage from mold. 1/4 in. thickness provides strength and ease of use in flooring or countertop projects in bathrooms, kitchens and laundry rooms.
  • Click here to find the best backerboard and underlayment for your project needs
  • Protects project outcome with excellent adhesion
  • Contains no fillers or abrasive aggregate, made with 90% Portland cement and sand for strength, creating a strong foundation for projects
  • Moisture resistant board works in wet areas
  • Score and Snap - easily perform quick and clean cuts indoors using a scoring knife or a utility knife
  • Strong enough for use in commercial or residential applications
  • 3 ft. x 5 ft. Board is 1/4 in. deep and works on floor, countertop or backsplash applications
  • Consult local building codes for waterproofing requirements before beginning any project
  • California residents

Info & Guides

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Specifications

Dimensions

Drywall Product Thickness (in.)
1/4 in.
Product Length (ft.)
5
Product Thickness (in.)
0.25
Product Width (ft.)
3
Width (ft) x Length (ft)
3x5

Details

Drywall Features
Environmentally Sustainable,Fire Resistant,Moisture Resistant
Product Weight (lb.)
28.5

Questions & Answers

331Questions51Answers

Can I use hardy backer next to a metal fireplace

Asked by Af June 22, 2021
2
Answers

Yes, it is non-combustible and can be used in fire places.

i plan on using 1/4 inch Hardi on a Balcony. then apply 2 coats of HYdro Ban. Will that work?

Asked by Edmund May 19, 2021
3
Answers

Use 3/4” if you’re putting it on walls. 1/4” if you’re putting it over a proper existing subfloor . Then put your finished tile surface on it. This cannot be used as a finished surface.

Can iuse it outdoor? i want to use it on a counter top

Asked by Ally May 18, 2021
6
Answers

Absolutely not. This is basically concrete and paper pressed into a board. It will not hold up as any type of finished surface. You could, however, use this as a countertop substrate and then adhere tile to it. I would waterproof it though with two coats of redgard.

I’m planning on using hardie backer on my tub/shower enclosure and then install mortar and 3x5 ce...

Asked by DanC April 27, 2021
10
Answers

Hey Dan, No, but it's always a good idea to mesh (2-inch strip) the seams (corners) on the inside of the shower with a waterproofing agent. Personally, I use REDGUARD with the mesh. Good luck, Jim G

i would like to install a slate tile stripe [about a foot tall] on the front of my house which h...

Asked by gkos April 11, 2021
3
Answers

Thanks for your question. There are specific areas of the country where this product is rated for outdoor use. They are known as HardieZone HZ10 areas. HZ10 Areas include: Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Texas. HZ10 also includes portions of: Arizona, California, Nevada, New Mexico, Oregon, Washington. For further details and resources, please refer to the bottom of the Buying Guide located under the Info & Guides section of this page.

Is there a 7.25 saw blade that would useful for getting smooth cut edges ?

Asked by greg March 13, 2021
6
Answers

Yes, a masonry blade will do just that. BUT, it will create an incredible amount of dust! You must wear a dusk mask and goggles, and cut outside. It is not recommended to cut Hardie board that way, but rather with the Marshalltown scoring knife that has tungsten carbide tips. I can understand your frustration with this slower cutting method, but once you try cutting Hardie board with a masonry blade and see the volume of dust it creates, you might have second thoughts.

Can this be used on a floor frame by itself? if so will 1/4 in be sufficient? Trying to keep it l...

Asked by Jewelz February 28, 2021
5
Answers

I would not recommend using this without some other structure to support it. This is designed to lay on a subfloor and doesn't have enough strength to support standing on. You could probably use it on wall framing but not on the floor by itself. I am able to bend and break the 1/4 board with my hands.

Can you use it for exterior application under mobile home skirting?

Asked by Barb February 19, 2021
5
Answers

Normally they use what is called a rodent barrier. And then 6 mill visclean on the ground

I'm planning to use this in a dry application as an accent wall about 8'x8' screwed through drywa...

Asked by Newhomeowner February 8, 2021
6
Answers

Absolutely. Just make sure you anchor into the studs. I do this same thing regularly. Good luck and have fun, Jim G

Would this be a good idea to use as a base for under my kitchen sink? I am needing to replace the...

Asked by gkbalsam January 25, 2021
5
Answers

If im understandingthe question correctly you are talking about the inside of the cabinet. the backer is not water proof. Replace it and caulk with silicone

HardieBacker 3 ft. x 5 ft. x 1/4 in. Cement Backerboard - page 2

Customer Reviews

  • 4.7
    out of 864 reviews
  • 95% recommend this product
Filter by:
Showing 1-10 of 864 reviews
I used it for a generator shed. The size made it really easy. Fireproof is a plus
I used it for a generator shed. The size made it really easy. Fireproof is a plus
by Kyle
Easy to use
Easy to use
by Panel
Unlike brittle boards
Has an excellent bendable character to it, easy to score, easy to bend and separate after the score, great to handle, easy to screw, clean edges for great fit. I favor a dry fit first, then label each one, set aside, lay the thin set for one, secure the one, thin set for two, and so on. I have used other backer boards, but this works the best.
by Timberframer
3 people found this helpful
Good product. Held up well. Worked for the purpose I bought it.
Good product. Held up well. Worked for the purpose I bought it.
by Tileguy
very good product remodeling my house the contractor used and very happy
very good product remodeling my house the contractor used and very happy
by Ara
It was easy to work with cutting worked out great for my kitchen floor.
It was easy to work with cutting worked out great for my kitchen floor.
by Debo
Love this backer board for tile. It helps keep your lines straight so you have few if any measure...
Love this backer board for tile. It helps keep your lines straight so you have few if any measurement mistakes.
by Emmarocks
My husband and I were able to unload and lay...
My husband and I were able to unload and lay the backerboard with ease and drilling was not hard at all. This was perfect for our DIY project. Thanks.
by Scooby
easy to work with, best to cut with grinder or electric shears also it has engraved spots were t...
easy to work with, best to cut with grinder or electric shears also it has engraved spots were to put screws in. best to use screws preferably 1.5" that way you wont punchure anything below
by tolydj
1 person found this helpful
Works great...
Works great
by GREG
Showing 1-10 of 864 reviews