Model # 220023

Internet #100170507

Store SKU #202225

James Hardie HardieBacker 3 ft. x 5 ft. x 0.42 in. Cement Backerboard
0727396200233

James Hardie

HardieBacker 3 ft. x 5 ft. x 0.42 in. Cement Backerboard

  • Lightweight structure that offers strong bonding properties
  • Ready for wallpapering, tiling, painting, or texturing
  • Protects your underlayment against moisture and mold
$12.97 / each
If you buy 45 or more
$10.38 / each

Frequently Bought Together

Product Overview

HardieBacker cement board is a tile underlayment made for wet areas like kitchens and bathrooms. This cement-based backer board, made of 90% Portland cement and sand, resists damage from moisture and mold and provides excellent tile adhesion. Its formulation and structure results in the ideal combination of strength, uniform composition and performance that no other backer board can provide. HardieBacker cement board was made to be easier to work with so that regardless of how you cut your board, the result is less debris. HardieBacker cement board's superior strength and durability delivers a solid foundation for tile jobs to help protect your work and reputation. James Hardie stands behind HardieBacker cement board with a limited lifetime product warranty.

California residents: see   Proposition 65 information

  • The Most Preferred Brand of Backer Board by Tile Installers and Contractors
  • HardieBacker 500 cement board (0.42 in. thick) is best used for walls, ceilings and floors
  • Made better - The 90% Portland cement and sand formulation provides a solid foundation for your tile with up to 3 times the compressive strength of competitive board
  • Installs better - cuts cleaner for tighter seam lines and less debris
  • Performs better - unique formulation delivers a product with outstanding resistance to moisture and mold
  • Score and snap the board by making 2-3 passes with a utility knife or a carbide tipped blade, place one hand and knee firmly along the score line, then use the opposite hand to pull the board up
  • Cut HardieBacker cement board with snapper shears instead of a grinder for the same clean, sharp edges for straight seam lines while significantly reducing the amount of dust in your work environment
  • Limited lifetime product warranty
  • Non-combustible

Info & Guides

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Specifications

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Customer Questions & Answers

how to install james hardi board

how to install james hardi board
Asked by: ma
You would need to get a copy of the installation guide through the link below
Answered by: James Hardie
Date published: 2017-01-06

If a customer has 32sq ft how many 3x5 1/2 in backerboard is needed

Asked by: Tee
About 3 sheets
Answered by: James Hardie
Date published: 2015-10-28

Best way,if I need to, remove dried "concrete water" run off from my HB, floor layed, next to a newly poored concrete slab?

Can I lightly scrap or grind the HB to remove concrete water that has dried on it? I would hate to lay my floor tile and the thin-set stick to the dried "concrete water scum" instead of the backer itself...Or do I need to pull up the HB and relay the ones with the runoff on it??? Please help... Thanks in advance...
Asked by: JeffreyE
You can lightly scrape it but we do not recommend grinding it.
Answered by: James Hardie
Date published: 2015-09-20

Felt or construction papere

should I install a layer of felt or construction paper over a 5/4 tongue and groove plank floor prior to installing the hardiebacker board on the floor of a bathroom? floor will be tiled with ceramic.
Asked by: TFett
In general, you want an "isolation barrier" on the front side of the backerboard and not the back. Also, these barriers provide waterproofing and the right place for that is between the thinset and backerboard. You don't water soaking into the backerboard, which is NOT waterproof. Consider something like Redgard, Laticrete or an actual rollout membrane. They aren't cheap but they are effective if properly applied. BTW, 5/4 T&G flooring plus backerboard plus tile is fairly heavy. If joists sag even a small amount and you are using large tiles (e.g. 16 x 16) you could see some issues such as cracking. Backerboard does not make up for improper floor joist sizing and spacing. It will bend along with the other parts of the floor system.
Answered by: engr4you
Date published: 2017-02-13

I bought a Pleasant Hearth High Efficiency Wood Stove – Medium from Home Depot to put into my ne...

I bought a Pleasant Hearth High Efficiency Wood Stove – Medium from Home Depot to put into my new home. As will as the Hardie Backer Board for the wall behind the stove and from what I understand before it can pass inspection I have to know how many inches between the stove and the Hardie Backer Board that the manufacture recommends for fire resistant. The Hardie Board is still in the store waiting for me to pick it up. You can look it up: it is under Barbara Butters the SKU# is 0000-202-225 I bought two 3x5 sheets at $12.67 each. I tried to look it up myself and couldn’t find the answer; I’m sure you will have better luck than me. Thank you Barbara Butters
Asked by: Me
Hi, I don't think you will get an answer from the store by posting here. Call them direct. I have Pleasant Hearth Large Pellet Stove, into it's second Winter, and I couldn't be happier with it. I live in a northern region where we have real Winters so it's always burning, sole heat for 1000' house. I used Hardiebacker 1/2" under the tile I installed for a hearth. The stove sits about 6" from a masonry chimney and a couple feet from the wall behind that, so my experience isn't helpful for you. Be sure to call Pleasant Hearth or Home Depot to get a speedy answer to your question.
Answered by: refuge
Date published: 2017-01-24

Do I use backerboard on the,ceiling in bathroom tub area?

Asked by: Yehudah
Yes if you are planing on tiling this ceiling.
Answered by: Greatwood
Date published: 2016-12-17

Can you use this for exterior siding after priming and painting?

Asked by: John
Sorry, no. This product is not designed for. nor intended to be used as siding. It is not for structural use. Exterior siding is considered "structural" as it holds together wall sections etc laterally. This product is NOT for structural use. You'd be better off using HardiePanel, which is designed for siding.
Answered by: David
Date published: 2016-02-24

Is this material suitable for use on a ceiling above a wood furnace?

Asked by: Trtrte
I can only wonder why mount cement board over the ceiling over a furnace? Hardiebacker transmits heat through to the surface mounted under or over itself. It just doesn't burst into flames, but the material it covers could if it's too close to the heat source.
Answered by: refuge
Date published: 2017-01-04
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Customer Reviews

HardieBacker 3 ft. x 5 ft. x 0.42 in. Cement Backerboard is rated 4.1 out of 5 by 46.
Rated 5 out of 5 by from Ardex 8+9 vs Redgard waterproofing experience on HardieBacker. HardieBacker is the best cement bo... Ardex 8+9 vs Redgard waterproofing experience on HardieBacker. HardieBacker is the best cement board on the market. It's solid and it doesn't crumble easily like other brands. It can be cut easily with the proper tools and techniques. I wanted to share my experience when I tried to waterproof it. First, I used RedGard without doing a research because I trusted all the good reviews about it. I followed the instruction and used it on Hardie cement board. After a few days, I checked on it and I was so surprised to find out that I could peel off some areas just like peeling off an old paint. I contacted their customer service and they recommended to apply a primer coat prior to two full coats. Their recommendation wasn't even on the product label and It was clearly not a user mistake. I had to spend a few hours to peel it off from the shower wall on a small bathroom size. No refund/replacement. I bought Ardex 8+9 waterproofing compound online and hoped that it would work based on some suggestions for Hardie cement board. WOW! It was a huge different compared to RedGard. It sticked really well on Hardie cement board. It even sticked on my t-shirts, pants, and other materials. The smell was not as strong as RedGard. The dark grey color was nice too compared to RedGard bright red color. The most important different was the texture. The dried membrane had a rough texture good for bonding with cement. RedGard had a smoother soft plastic-like texture. I would highly recommended Ardex 8+9 on Hardie cement board. Their customer service was fast and helpful when I called them for some questions. Do a research before buying some products from Home Depot.
Date published: 2016-12-01
Rated 5 out of 5 by from I used this Hardie Backer .42" today and cut it with a cement board circular blade, CMT 7-1/4" Fi... I used this Hardie Backer .42" today and cut it with a cement board circular blade, CMT 7-1/4" Fiber Cement Blade, Model Number: 236-004-07, $44.99 using a dust mask outdoors and it cut like a dream. I have tried cutting other brands with scoring with a knife and had the same results as most people. This product did not crack and chip like Durrock. I found the exact Hardie recommended screws at HD with the self counter-sinking heads and I hope and suspect they will do better then the generic screws I have used in the past. Do not like the idea of roofing nails since they have no holding power whats so ever. I suggest using a impact driver and hardbacker screws.
Date published: 2016-12-17
Rated 5 out of 5 by from The best cement board out there I have been using hardibacker since it came out . Hands down the best on the market. I have had 0 warranty issues in 20 years. If your not dumb use a grinder with a diamond blade to cut it or even better the Dewalt shears. Its true its not really a score and snap product like that garbage durock or wonderboard I dont even install it to manufacturer specs. I never put thinset under it and I use 7/16 crown staples . It is also true the 1/2 inch is not a true half inch but if you are setting tile with a 3/8!trowel it makes upnthe difference. Good luck kids
Date published: 2017-01-24
Rated 3 out of 5 by from Good one the wall - a real pain to cut - score and snap is a myth I think my next purchase will be wonderboard or some other cement product. Hardieboard is nice and smooth and it doesn't have the fiber mesh that other products do. I'm not a pro, but I think this is probably a better product to have on the wall. That said, cutting this stuff is a massive pain. The score and snap method worked for me a couple times after I scored halfway through the board. Other times it failed and it snapped in the wrong place. If you are a DIYer, I would suggest not even trying this method on the thicker board. It is not nearly as easy as they show you on the video. I was able to take it outside and cut it nicely with a hand saw, tossing some water on it as i cut so the dust is low. Another success I had cutting is using a cheap wet saw. It cuts nice and clean and straight with no dust. The downside with these methods is that they take forever. This stuff looks nice on the walls, it is strong and not crumbly. However, the pains I had to go through to cut this stuff made it a bad experience.
Date published: 2016-04-21
Rated 1 out of 5 by from This stuff is complete garbage. If you want to be frustrated and ruin countless sheets buy this. ... This stuff is complete garbage. If you want to be frustrated and ruin countless sheets buy this. It does NOT score and break at all. Wonderboard makes a mess, but at least it breaks. This has made a job take twice as long cause this garbage doesn't score. you also cant sink screws in it either.
Date published: 2016-11-12
Rated 5 out of 5 by from Best Board in the Market I have been in the industry for 35 years and I find this board to be the easiest to work with, strongest and best for mold and moisture. I tried all the other cement boards like Durock and Wonderboard, yet, those are messy, less than 50 % cement, hard to cut, and get mold through time. For all those out there, HB can be cut with a utility knife indoor - snap and score ( popping the board up instead of down like dry wall), you can hammer the board and it won't deteriorate, make sure to wet the board to get the best adhesion to tile, and put an additional layer of versabond to match the drywall. Holes are easy to perform as well. I GET 0 CALL BACKS WITH THIS BOARD and NO MOLD OVER THE LIFETIME OF MY INSTALLATION. BEST RETURN ON INVESTMENT FOR SECTION 8 BUILDERS CONCERN ABOUT MOLD.
Date published: 2012-12-03
Rated 5 out of 5 by from great product and price perfect for waterproofing i am using it in a civil p;roject behind tiles ... great product and price perfect for waterproofing i am using it in a civil p;roject behind tiles in a tunnel in NYC
Date published: 2016-10-25
Rated 4 out of 5 by from works well on bouncy floors, and is a snap to cut. cheaper at other places. works well on bouncy floors, and is a snap to cut. cheaper at other places.
Date published: 2017-01-11
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