Model # FB50

Internet #100122448

Store SKU #839531

Store SO SKU #1000063652

Custom Building Products FlexBond Gray 50 lb. Fortified Thin-Set Mortar
0010186269849

Custom Building Products

FlexBond Gray 50 lb. Fortified Thin-Set Mortar

  • High flexibility to prevent cracks in tile
  • Excellent bond strengths
  • Outstanding bond to glass, metal and other decorative tile
$30.47 / each
If you buy 10 or more
$27.42 / each
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Frequently Bought Together

Product Overview

  • High flexibility to prevent cracks in tile
  • Excellent bond strengths
  • Outstanding bond to glass, metal and other decorative tile
This Custom Building Products FlexBond 50 lb. 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



Product Overview

  • High flexibility to prevent cracks in tile
  • Excellent bond strengths
  • Outstanding bond to glass, metal and other decorative tile
Model #: FB50
Sku #: 839531
Internet #: 100122448

This Custom Building Products FlexBond 50 lb. 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.

California residents: see   Proposition 65 information

  • 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



Info & Guides

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Specifications

Dimensions

Maximum coverage area (sq. ft.)
100
Product Width (in.)
15

Details

Additive required
Water
Color Family
Gray
Commercial / Residential
Commercial / Residential
Dry time (hours)
24
Floor/wall use
Floor and wall
Flooring Material Features
Mold/mildew resistant
Flooring Product Type
Flooring Powder Mortar
Flooring Use Type
Tile
Indoor/Outdoor
Indoor/Outdoor
Product Weight (lb.)
50lb
Product type
Thin-set mortar
Returnable
90-Day
Use Location
Floor,Interior wall

Warranty / Certifications

Manufacturer Warranty
1 year product

Specifications

Dimensions

Maximum coverage area (sq. ft.)
100
Product Width (in.)
15

Details

Additive required
Water
Color Family
Gray
Commercial / Residential
Commercial / Residential
Dry time (hours)
24
Floor/wall use
Floor and wall
Flooring Material Features
Mold/mildew resistant
Flooring Product Type
Flooring Powder Mortar
Flooring Use Type
Tile
Indoor/Outdoor
Indoor/Outdoor
Product Weight (lb.)
50lb
Product type
Thin-set mortar
Returnable
90-Day
Use Location
Floor,Interior wall

Warranty / Certifications

Manufacturer Warranty
1 year product

Questions & Answers

Can this be used for ceramic tile over plywood?

Asked by: Chris
It can be used on exterior grade plywood. It is better to apply it to cement board though
Answered by: SteveVA
Date published: 2017-11-03

What trowel size (W" x D") and notch shape should I use to install 12" x 12" sheets of 2" x 2" tile?

Tile will be installed over existing tile which has already been hit with 80 grit sandpaper.
Asked by: Frank
If on a wall, use a 1/4" v-notched trowel. On a floor, I would used a 3/8" or 1/2" square notch trowel.
Answered by: SteveVA
Date published: 2017-11-03

What is set time before you can walk on the tile

Asked by: LM
24 hours
Answered by: SteveVA
Date published: 2017-11-03

What is the dry time at 50 degrees?

Asked by: Mike
@ 50 degrees I would wait 48 hours
Answered by: SteveVA
Date published: 2017-11-03
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Customer Reviews

FlexBond Gray 50 lb. Fortified Thin-Set Mortar is rated 4.6 out of 5 by 116.
Rated 1 out of 5 by from We have been using this stuff for years and I would say it USE to be one of the best products aro... We have been using this stuff for years and I would say it USE to be one of the best products around. We are a nationally recognized home builder and have one every major award in construction so trust me with where I am going with this. Recently we purchased about 6 bags of this product for an Italian tile we were installing. 3 out of the 6 bags were defective and the mortar, several days after installation, was soft and never properly solidified to the consistency of ANY mortar we've ever used. You could crumble the mortar in your hand with ease. This is after installation, not prior to, just so were clear. The mortar never actually set up properly. The old mortar in the bucket, that wasn't cleaned and thrown out, would just crumble off the side walls. The entire floor that was set was ruined. You could pick up the tiles off the Hardi Backer with your hands. We spoke to a representative of Custom and WOW did they not give any concern or offer any assistance what so ever to our concern. They said "clearly this is an installation problem not a product problem." To which I stated "so 22 years experience setting stone and tile around the US doesn't qualify us to know how to understand the proper "use" of this product. This isn't rocket science, you add water to the proper consistency, install and let set up. But this product as good as it use to be has major flaws in manufacturing that they are throwing under the rug and hiding form the general public. This review is made July 13th, 2017 so DO NOT PURCHASE THIS PRODUCT IF YOU ARE READING THIS REVIEW! Since then we have noticed a similar flaw in some of their other products as well and have since stopped using them all together. Since this is an unsolicited review, I will not say whom we are using but DO NOT recommend these guys at all. I hope this finds its way in the hands of some of management of this company so they can look up my phone call with their rep whom was completely disrespectful and non concerned with the LEGITIMATE problems with their product.
Date published: 2017-07-13
Rated 5 out of 5 by from Great thinset, mixes smooth as butter making it very easy to work with. Had great grab and hold s... Great thinset, mixes smooth as butter making it very easy to work with. Had great grab and hold strength when wet and dried fairly quickly. I can't tell if the "Crack Prevention" property works (after just 1 week) but the fully dried product does appear to have great hold strength and just a bit of flexibility, so I expect it will deliver on that statement. Overall a superior product at a premium price but IMO well worth the extra money.
Date published: 2017-06-28
Rated 1 out of 5 by from The flex bond worked well after I carefully sifted through... The flex bond worked well after I carefully sifted through the bag to get the non lumping pieces of FlexBond. Even though it is packed in a plastic interior bag, it was still very lumpy. Be careful when purchasing it and make sure you don’t feel any hard lumps in the bag.
Date published: 2017-11-01
Rated 4 out of 5 by from Yes I actually used it to adhere cultured stone to an interior fireplace ,I was using a cement /s... Yes I actually used it to adhere cultured stone to an interior fireplace ,I was using a cement /sand mix which I ran out of and decided to try this , Mixed to the right consistency it worked very well .
Date published: 2017-09-26
Rated 5 out of 5 by from Does what is suppose to do I layed two different areas and did a tile shower with this mortar. So far it has done its job. It was easy to work with and simple to use as long as you follow directions.
Date published: 2017-05-31
Rated 5 out of 5 by from The thin set worked great, mixed up real smooth for... The thin set worked great, mixed up real smooth for setting my granite tile for my fireplace hearth.
Date published: 2017-10-10
Rated 5 out of 5 by from Used it on this and other jobs, like most mortar/thin... Used it on this and other jobs, like most mortar/thin set always works well if applied right.
Date published: 2017-07-12
Rated 5 out of 5 by from Thin set mortar Very good product and always recommended to all It is always good to use this product
Date published: 2017-08-01
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