Model # FBG25

Internet #202243461

Store SKU #731136

Custom Building Products FlexBond 25 lb. Gray Crack Prevention Mortar
0010186774978

Custom Building Products

FlexBond 25 lb. Gray Crack Prevention Mortar

  • Premium quality, excellent bond strengths
  • Protects against cracking
  • Second step to achieving a lifetime warranty
$18.47 /each

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Product Overview

FlexBond Crack Prevention Mortar is a premium quality, polymer-modified mortar with exceptional flexibility and bond strength for tiling difficult surfaces, such as plywood, vinyl and laminates. Also works great for hard-to-bond, nonporous tile, such as porcelain and glass. FlexBond flexes to prevent cracks in porcelain and ceramic tile.

California residents: see   Proposition 65 information

  • Dries in as little as 24 hours
  • Flexes up to 1/16 in. to prevent cracks
  • Great bond strength
  • Qualifies for a lifetime system warranty



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Customer Questions & Answers

14 Questions23 Answers

Customer Questions & Answers

FlexBond 25 lb. Gray Crack Prevention Mortar
FlexBond 25 lb. Gray Crack Prevention Mortar

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This question is from FlexBond 25 lb. Gray Crack Prevention Mortar
 
3 answers

Can I use this product to fix cracks in ceramic tile floor?

This question is from FlexBond 25 lb. Gray Crack Prevention Mortar
Asked by
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July 30, 2015
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Answers (3)

Asked by
Savannah, Georgia
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Home Improvement Profile: Professional
June 23, 2016
Answer: 
If you have cracked tiles then your substrate has too much deflection.
In other words, your subfloor is moving too much.
It is possible that this product will help, but I would check the subfloor and see if it can be strengthened.
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July 31, 2015
Answer: 
No, this product will not repair cracks in ceramic tile.
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July 31, 2015
Answer: 
No, FlexBond is not designed to fix cracks in ceramic tile floors. Tile with cracks may be removed and re-installed using FlexBond.
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This question is from FlexBond 25 lb. Gray Crack Prevention Mortar
 
3 answers

is this product recomended for use on wood subfloor to hardie backer?

This question is from FlexBond 25 lb. Gray Crack Prevention Mortar
Asked by
kevin332
August 6, 2013
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Asked by
Virginia
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Home Improvement Profile: DIYer
May 3, 2016
Answer: 
Late answer, but I'm about to do just this with 1/4" Hardi Backer board. As this products exceeds ANSI A118.1 and A118.4 (specified by Hardi Backer for 1/4" on floors), I would say: "yes".
I will update post after using.
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Asked by
Boyertown, PA
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Home Improvement Profile: DIYer
September 17, 2014
Answer: 
I'm not sure, as the cement board recommended is the Wonderboard. But I personally don't see that it would matter. The warranty about cracking requires using the products from the same manufacturer, I think.
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Asked by
Technical Service Dept. Corp office
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August 6, 2013
Answer: 
Hi there, thank you for contacting us. FlexBond can be used underneath hardie backer. If you need further assistance please contact our installation division at 800.272.8786
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Does this come in different colors?

This question is from FlexBond 25 lb. Gray Crack Prevention Mortar
Asked by
Ray
St. Louis, MO
December 18, 2011
Is there an additive you can add to grout to make it more flexible?
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Asked by
Savannah, Georgia
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Home Improvement Profile: Professional
June 23, 2016
Answer: 
Yes. White and grey. The color is somewhat irrelevant though, unless your doing it wrong.
More flexible? I don't know but if you need flexible thin set then you have a problem that thin-set will not fix.
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Asked by
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September 4, 2012
Answer: 
The name indicates that it is flexible, so what would be the need to make it more so?
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Asked by
Technical Service Dept. Corp office
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December 19, 2011
Answer: 
No, its already in the grout.
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2 answers

Can this be used for exterior applications

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May 14, 2016
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May 16, 2016
Answer: 
FlexBond Crack Prevention Mortar is suitable to be used in exterior applications. For further assistance please contact our installation division at 800.272.8786 option 2
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May 15, 2016
Answer: 
Yes, this product is compatible with outdoors applications.
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Customer Reviews

Rated 4.5 out of 5 by 17 reviewers.
Rated 5.0 out of 5.0 by Mixes well. Easy to apply and to use. Excellent bonding strength Flexbond is my go-to mortar for bonding ceramic and porcelain tile. I have used this product to adhere tile to cement as well as to wood subfloors, with extremely good results. The product mixes easily with water and applies smoothly to all floor surfaces using a notched trowel. Only mix what product you can use in an hour to avoid waste. Once cured, Flexbond creates a permanent bond between the tile and the floor. Its important to clean Flexbond off tile surfaces before it cures because after it cures, it's impossible to remove. I value my time, effort and labor, and would not trust any other mortar product. Highly recommended. June 28, 2016
Rated 4.0 out of 5.0 by Bast thin set I have used If you are going to be considered a professional and expect to get paid to do something then you should use the best product available for the job. Expensive, but worth it in my opinion. This thin-set has never failed me. June 23, 2016
Rated 1.0 out of 5.0 by Mortar does NOT bond to tiles I tried to use this product today to lay porcelain tile in the bathroom. The product sets very quickly & failed to bond to back of tile!! Had to dump 80% of the mortar & pull up the tiles I attempted to set. After 2 hours the tiles were still loose! After I pulled tiles, some had absolutely NO mortar attached ! I would never use this product again! Returning other bag I previously purchased. Attached is a photo of the back of the tiles. March 4, 2015
Rated 5.0 out of 5.0 by Very Good Purchase The product was very easy to use. The product worked very well. March 2, 2016
Rated 5.0 out of 5.0 by Great For Thin Brick Veneer I used this to secure antique thin brick veneer to a vertical surface. Very strong bond and easy to work with. Highly recommend. December 29, 2015
Rated 5.0 out of 5.0 by Very easy to work with, superb result Had some broken tile in my bathroom. This mortar was incredibly easy to use, instructions clear and result is perfect. November 3, 2015
Rated 4.0 out of 5.0 by Product Review Detail is a good stuff, normally l use it not too much to say July 25, 2015
Rated 5.0 out of 5.0 by Product Good As Expected. The product was easy to mix and apply. The quality of this mortar appears to be very good. May 12, 2015
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