0010186412849

Custom Building Products

Model # FBW50

Internet # 100161308

Store SKU # 373194

FlexBond White 50 lb. Crack Prevention Mortar

$32.47 /each
  • Premium quality, excellent bond strengths
  • Protects against cracking
  • Second step to achieving a lifetime warranty

FREQUENTLY BOUGHT TOGETHER

PRODUCT OVERVIEW

Model # FBW50

Internet # 100161308

Store SKU # 373194

Store SO SKU # 1000063655

Custom Building Products FlexBond 50 lb. Fortified Thin-Set Mortar is a premium quality, polymer-modified mortar with exceptional flexibility and bond strength. Great for tiling difficult surfaces, such as plywood, vinyl and laminates as well as hard to bond, nonporous tile such as porcelain and glass. Protects against cracking caused by minor in-plane surface movement.

California residents: see  Proposition 65 information

  • Isolates cracks to 1/16 in. and can be applied over cracks to 1/16 in. without additional preparation
  • Add water and mix to apply
  • Covers up to 100 sq. ft.
  • Dries in 24 hours
  • Exceeds ANSI A118.4 and A118.11 specifications
  • Resists mold and mildew
  • Qualifies for a lifetime system warranty



Info & Guides

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SPECIFICATIONS

Dimensions
Maximum coverage area (sq. ft.) 
100 
Product Width (in.) 
15 
Details
Additive required 
Water 
Color Family 
Whites 
Commercial / Residential 
Commercial / Residential 
Dry time (hours) 
24 
Floor/wall use 
Floor and wall 
Flooring Product Type 
Ceramic Floor/Wall Tile 
Indoor/Outdoor 
Indoor/Outdoor 
Mold and mildew resistant 
Yes 
Product Weight (lb.) 
50 lb 
Product type 
Mortar 
Returnable 
90-Day 
Warranty / Certifications
Manufacturer Warranty 
1 year product 

MORE PRODUCTS WITH THESE FEATURES

Price: $30 - $40
Review Rating: 4 & Up
Maximum coverage area (sq. ft.): 99 - 199
Product type: Mortar
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44 Questions84 Answers

Customer Questions & Answers

FlexBond White 50 lb. Crack Prevention Mortar
FlexBond White 50 lb. Crack Prevention Mortar

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4 answers

best thinset for large format porcelain on wall?

This question is from FlexBond White 50 lb. Crack Prevention Mortar
Asked by
pdxmom
Portland
October 18, 2012
We're doing a shower including the walls; tile is mostly 12 x 24 Atlas Concorde, with some slate (Brazilian, not Indian) mixed in. How is this product for that use wrt sag? Thanks.
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Answers (4)

Home Improvement Profile: Professional
April 29, 2016
Answer: 
Custom pro lite is your solution though you may have to special order as not all HD s stock it.
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Asked by
pdxmom
October 27, 2012
Answer: 
Thanks to both of you for your replies. I looked at the technical specs for each product and I think I'll go with the ProLite (if I can find it at HD) over the Marble/Granite because although both of them mention large format tile, ProLite has slightly superior numbers on porcelain compared to the granite/marble formulation. All of them say <1/16" sag, oddly enough, but I'll take your recommendation, Read More
Thanks to both of you for your replies. I looked at the technical specs for each product and I think I'll go with the ProLite (if I can find it at HD) over the Marble/Granite because although both of them mention large format tile, ProLite has slightly superior numbers on porcelain compared to the granite/marble formulation. All of them say <1/16" sag, oddly enough, but I'll take your recommendation, Custom Tech Guy : ) Thanks very much-we want to make this shower solid for the ages : ) Read Less
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Asked by
Technical Service Dept. Corp office
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October 19, 2012
Answer: 
For large format tile installations on a vertical surface the best product to use would be ProLite. This product has non sag properties to it for large format tile. If these were 12 x 12 thin porcelain or ceramic tiles then the Flexbond would be fine. Thank you
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October 18, 2012
Answer: 
Hey there pdxmom,
For larger format tiles, I'd recommend using a "medium bed mortar." The FlexBond adhesive is very strong, but I'd take a look instead at the one I linked below called Marble, Granite and Travertine Mortar. It's a medium bed like I mentioned, and it's also sag-resistant so that it gives a firm bond onto the wall immediately.
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4 answers

whatis the mixture ratio, water to flex bond thin set, 50 lb. bag for proper mixture for application

This question is from FlexBond White 50 lb. Crack Prevention Mortar
Asked by
Bob
Elizabethtown Pa
August 14, 2012
cannot find this anywhere
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Answers (4)

Home Improvement Profile: Professional
April 29, 2016
Answer: 
Read the instructions on the bag. Call tech support. Don't forget to let mixed mud slake and then remix
before applying to tile , greatly increases the bond strength.
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Asked by
lovinmrv
Mad River Valley, VT
May 16, 2013
Answer: 
The mixing instructions on the bag say 5 quarts of water for 50 lbs of mortar, or 1 qt for every 10 pounds. I found this to be a bit too stiff, so I added more water as needed while mixing to get the consistency I wanted.
You want it thick enough to hold the trowel ridges, but not so thick that it "breaks" while troweling.
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Asked by
Technical Service Dept. Corp office
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August 15, 2012
Answer: 
You would blend 5 quarts of water to one full 50lb bag of Flexbond. If you want to mix smaller portions you can mix 3 parts powder to one part water. Thank You
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Asked by
Technical Service Dept. Corp office
Read all my Q&A
August 15, 2012
Answer: 
If you are going to mix the entire 50lb bag then you would mix it with 5 quarts of water. If you want to mix smaller portions then you can mix 3 parts powder to 1 part water. Thank You
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3 answers

I'm installing glass tile over moisture resist GWB. What is required prep before glass tile install? Tape joints? Prime?

This question is from FlexBond White 50 lb. Crack Prevention Mortar
Asked by
Read all my Q&A
May 13, 2016
GWB is newly installed and free of dust. I have not taped any joints. This is not a wet wall.
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Answers (3)

Home Improvement Profile: Professional
May 17, 2016
Answer: 
yes , always seem and tape joints no matter the location.
Apply tile manufacturers recommendations for glass install.
Call the 800 # or go online.
Usual recommendations are to bond coat wall, 3/16" notch
the wall, then lightly flatten the rake. Press the tiles into the mortar
and wiggle to set. You must collapse the rake or risk having "ghost'
lines show through the tiles. Allow 24 hrs before
Read More
yes , always seem and tape joints no matter the location.
Apply tile manufacturers recommendations for glass install.
Call the 800 # or go online.
Usual recommendations are to bond coat wall, 3/16" notch
the wall, then lightly flatten the rake. Press the tiles into the mortar
and wiggle to set. You must collapse the rake or risk having "ghost'
lines show through the tiles. Allow 24 hrs before grouting to allow thin set to cure some.
Read Less
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May 16, 2016
Answer: 
For clear or translucent glass, CUSTOM recommends Glass Tile
Premium Thin-Set Mortar. When setting glass tile larger than 6" x 6" (15 x 15 cm), contact Custom's® Technical Services installation division at 800.272.8786 option 2 for recommendations. All Lightweight cement or Gypsum surfaces should be primed with a properly applied sealer or a primer coat of RedGard, consisting of 1 part RedGard diluted
Read More
For clear or translucent glass, CUSTOM recommends Glass Tile
Premium Thin-Set Mortar. When setting glass tile larger than 6" x 6" (15 x 15 cm), contact Custom's® Technical Services installation division at 800.272.8786 option 2 for recommendations. All Lightweight cement or Gypsum surfaces should be primed with a properly applied sealer or a primer coat of RedGard, consisting of 1 part RedGard diluted with 4 parts clean, cool water.
Read Less
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Asked by
Lewist0n , NY
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Home Improvement Profile: Other
May 15, 2016
Answer: 
For any tile install you must tape and seal joints. If you don't, over time the tile will crack along the joint.
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3 answers

Notch trowel size

This question is from FlexBond White 50 lb. Crack Prevention Mortar
Asked by
PA
Read all my Q&A
September 3, 2015
I'm going to install 12 inch porcelain tile on a kitchen floor over plywood
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Answers (3)

Home Improvement Profile: Professional
April 29, 2016
Answer: 
3/8" x 3/8" square notch should do the trick, make sure the ply is dust and paint free, bond coat, then a one directional rake on tiles or floor.
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September 4, 2015
Answer: 
A 1/4"x3/8" square notch trowel should be used.
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September 4, 2015
Answer: 
For installing 12"x12" porcelain on a floor, use 1/4"x3/8" square notch trowel.
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CUSTOMER REVIEWS

Rated 4.8 out of 5 by 20 reviewers.
Rated 5.0 out of 5.0 by Durable tile base A good product to us for out kitchens or over concrete floors that have cracks June 21, 2016
Rated 5.0 out of 5.0 by Just what our contractor requested and it worked perfectly Thanks Flex bond went on with ease and the job moved along beautifully May 24, 2016
Rated 5.0 out of 5.0 by Kitchen back splash The thin set was easy to work with and has held up fine thus far. We used genuine Mexican tile, which looks beautiful, but the sizes of the tile vary dramatically. The thin set gave us plenty of time to work with our tile. March 1, 2016
Rated 4.0 out of 5.0 by profitable purchase From a Pro's prespective this is a good product at a fair price. I wish they would make it in recyclable tough plastic bags thus reducing sloppy handling punctures and waste. Product performs well . December 30, 2014
Rated 5.0 out of 5.0 by Excellent product for the money This is hands down the best product on the market today, I have tried other brands based on other installers recommendations and always come back to this one. It works well for the pros and homeowners. Homeowners, Do not try to mix this by by hand, invest in an attachment for your drill and get a smooth mix, no one likes lumpy gravy! January 20, 2016
Rated 5.0 out of 5.0 by Great mortar! This thin set was very easy to spread and mix (some calculation is required for smaller batches). I did have 1 or 2 tiles break, but I didn't spread enough mortar on an uneven floor. When I added more mortar and a fresh tile it worked great! I feel the floor is very sturdy now. Only time will tell if the mortar helps prevent cracks. September 30, 2014
Rated 5.0 out of 5.0 by Best I've ever used Used it on wall and floor in a bathroom remodel. Adhesion on wall was superior to anything I have ever used. Consistency of product it adhered to wall perfectly and held the tile tightly until it dried. I'll never use anything else wall or floor. Worth the higher price December 8, 2015
Rated 5.0 out of 5.0 by Very easy to work with Very smooth and easy to work with well worth the extra money December 22, 2015
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