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FlexBond 50 lb. Gray Fortified Thinset Mortar (12 Bags / Pallet)

$39564
/pallet
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  • High flexibility to prevent cracks in tile
  • Excellent bond strengths
  • Item cannot be returned in less than full pallet quantities
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Top Rated
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Price:
$39564

Product Overview

This Custom Building Products FlexBond 50 lbs. Fortified Thin-Set Mortar is a premium-quality, polymer-modified mortar with exceptional flexibility and bond strength. FlexBond is perfect for tiling difficult surfaces, such as plywood, vinyl and laminates and for hard to bond non-porous tile such as porcelain and glass. FlexBond protects against cracking caused by minor in-plane surface movement.
  • Suitable substrates include interior and exterior floors, countertops and walls
  • Can tile directly over cracks up to 1/16 in. without repairs
  • Suitable tile types also include natural stone, brick and thin brick
  • Exceeds ANSI A118.4 and A118.11 standards without the need for additives
  • Dries in 24 hours
  • Resists mold and mildew
  • Qualifies for a lifetime system warranty
  • California residents

Info & Guides

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BrandCustom Building ProductsCustom Building ProductsCustom Building ProductsCustom Building Products
NameFlexBond 50 lb. White Crack Prevention Mortar (12 Bags / Pallet)FlexBond 50 lb. Gray Fortified Thinset Mortar (12 Bags / Pallet)VersaBond 50 lb. Gray Fortified Thinset Mortar (35 Bags / Pallet)Porcelain Tile White 50 lb. Fortified Thinset Mortar (35 Bags / Pallet)
Price
$38143
/pallet
$39564
/pallet
$59430
/pallet
$78036
/pallet
Ratings
(644)
(644)
(3283)
(261)
Product typeThin-set mortarThin-set mortarThin-set mortarThin-set mortar
LocationBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surroundBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surroundBathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen BacksplashCountertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash
Flooring Material FeaturesCrack resistant,Moisture resistantCrack resistant,Moisture resistantFast-dryingRadiant heat
Maximum coverage area (sq. ft.)1140114035003150
Flooring TypeCement,Ceramic,Glass,Porcelain,Stone,TileCement,Ceramic,Glass,Porcelain,Stone,TileCement,Ceramic,Glass,Porcelain,Stone,TileCement,Ceramic,Glass,Porcelain,Stone,Tile
Product Weight (lb.)50 lb50 lb50 lb50 lb
Dry time (hours)24242424
Product Width (in.)15 in15 in14 in12.5 in
Flooring Product TypeFlooring Powder MortarFlooring Powder MortarFlooring Powder MortarFlooring Powder Mortar
View ProductView ProductView ProductView Product

Specifications

Dimensions

Maximum coverage area (sq. ft.)
1140
Product Width (in.)
15 in

Details

Additive required
Water
Color Family
Gray
Commercial / Residential
Commercial / Residential
Dry time (hours)
24
Flooring Material Features
Crack resistant,Moisture resistant
Flooring Product Type
Flooring Powder Mortar
Flooring Type
Cement,Ceramic,Glass,Porcelain,Stone,Tile
Indoor/Outdoor
Indoor/Outdoor
Location
Bathroom,Countertop,Exterior wall,Floor,Interior wall,Kitchen Backsplash,Shower,Swimming pool,Tub surround
Product type
Thin-set mortar
Product Weight (lb.)
50 lb
Quantity
12
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
Eligible for a Lifetime Warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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  • What are the dimensions of the product?

Customer Reviews

  • 4.7
    out of 644 reviews
  • 93% recommend this product
Filter by:
Showing 1-10 of 644 reviews
Given its description I was under the impression I could use it as a waterproof coating for an in...
Given its description I was under the impression I could use it as a waterproof coating for an inground pool with the intention of overcoating it with a waterproof paint. After parging the walls and bottom of the pool this stuff started developing surface cracks as it dried.
by art1
  • Verified Purchase
First time with tile DIYer March 2021
I used 6 1/2" Daltile Titanium tiles in my alcove bath. I used aqua defense over cement board. I made small batches, which made all the difference, of the thin set to a paste consistency. 1/4" trowel. 1/8" spacers. Cleans well off of the tile. Sets in 24 hours but I needed to pop out a few tiles and it didn't ruin the cement board. Backbuttered all tiles. It's working out great! But I don't have anything else to compare it to but I'm a fan.
by OutliersUnited
    • Recommended Product
    excellent mortar
    This has been may go-to mortar for my recent bathroom renovation to secure cement board and then tile. It came highly endorsed by the manufacturer of the cement board. My only critique would be that it was challenging to mix the entire bag and use up quickly before drying. I learned after the first blunder to mix half the bag at a time to have a better mixed batch and prevent drying. Will use again!
    by dannyB
      • Recommended Product
      Using it to install glass Wall shower tile and mosaic stone floor tiles. Worked perfectly.
      Using it to install glass Wall shower tile and mosaic stone floor tiles. Worked perfectly.
      by SplitSandLogs
      • DIY
      • Verified Purchase
      • Recommended Product
      We are not a pros, so we do not have a lot of experience with placing glass tile, however, we hav...
      We are not a pros, so we do not have a lot of experience with placing glass tile, however, we have learned a lot, and the FlexBond is only thinset we've found for large format glass tile. My wife and I are putting glass tile in two showers, over a waterproof membrane, which has the potential to create a lot of issues for modified thinset. We began by troweling on a smooth layer, covering all of the walls with the Flexbond and letting that dry. Then smoothing any rough spots we made with the trowel. We did not sand it, but smoothed the rough spots by scraping with a putty knife. Then we had a porous surface to which the glass could be adhered. we used a v notch trowel (recommended by the tile manufacturer) to apply the FlexBond over the dried FlexBond surface. We combed it straight vertically, one course at a time. We also back buttered the glass tiles with FlexBond so we achieved 100% coverage on our tiles. This worked very well. We have placed as many as 10 courses without stopping, and have had no wet weight release or movement issues. We also have tried to remove a dried tile, which would have resulted in destroying the tile and or wall, so we know the bond is very good. After the FlexBond dried (usually the next day) it cleans off of the tile effortlessly. Which is likely why it's hard to find a good thinset for glass tile. The thinset will not stick to the front of the glass tile no matter what, but it will stick to the painted back very well. And it is sanded, but we have had no scratching of the tile when cleaning off the thinset. Cleaning out the grout lines is also quite easy with a linoleum knife. But do this the next day. The longer you wait, the harder it gets. After having done considerable research, and tiling, we believe this is a great product. It has performed very well. Time will tell. If you are placing large format glass tile, don't hesitate to use this product. So far, I have no negative comments, only positive.
      by tilesformiles
      • Verified Purchase
      • Recommended Product
      4 people found this helpful
      If I'm going to work on my house, I like to use the best available products (within reason) so I ...
      If I'm going to work on my house, I like to use the best available products (within reason) so I don't have issues with it in the future. That's why I chose this Fexbond product. It was easy to use on my mosaic tile. What little bit that got on the top of the tiles was easy to clean off, even after it had dried.
      by Sambo
      • DIY
      • Verified Purchase
      • Recommended Product
      This product was easy to mix and use, causing my tile installation to go smoothly. The powder ro...
      This product was easy to mix and use, causing my tile installation to go smoothly. The powder room looks great after the project was completed. I would recommend this product for tile in different areas.
      by Ray
      • Verified Purchase
      • Recommended Product
      I filed over tile. 1st I used MBP, then redcoat. Then I thinset tiles. Everything is perfect
      I filed over tile. 1st I used MBP, then redcoat. Then I thinset tiles. Everything is perfect
      by JamesBond007
      • Verified Purchase
      • Recommended Product
      2 people found this helpful
      Great product I would never use any other in 1989 track home in Berkeley township nj
      Great product I would never use any other in 1989 track home in Berkeley township nj
      by 1giantsfan
      • Verified Purchase
      • Recommended Product
      Worked well and is a good product to use for flooring as it is flexible.
      Worked well and is a good product to use for flooring as it is flexible.
      by DIYer
      • Verified Purchase
      • Recommended Product
      Showing 1-10 of 644 reviews