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Custom Building Products

Model # MTSG50

Internet # 100162542

Store SKU # 399727

VersaBond Gray 50 lb. Fortified Thin-Set Mortar

This item has been discontinued.
The Home Depot no longer carries this specific product.

$14.47 /each




Model # MTSG50

Internet # 100162542

Store SKU # 399727

Store SO SKU # 1001027908

Custom Building Products VersaBond 50 lb. Fortified Thin-Set Mortar is a professional formula, all-purpose mortar, polymer-modified to provide good bond strength for floor and tile projects. VersaBond cures quickly even in cold climates and adheres to most surfaces. This is a cost-efficient, all-purpose mortar.

California residents: see  Proposition 65 information

  • For use over concrete, cement backerboards, drywall, exterior grade plywood, existing ceramic tile, vinyl flooring and plastic laminates
  • For indoor or outdoor applications
  • Great for a wide variety of tile and stone floors, walls and countertops
  • Polymer modified, high-grade mortar offers strong bonds
  • Reliable and easy to use
  • Dries in 24 hours
  • Covers up to 100 sq. ft.
  • Meets ANSI A118.4 and A118.11 specifications without the need for additives
  • Add water and mix to apply

Info & Guides

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Maximum coverage area (sq. ft.) 
Product Width (in.) 
Additive required 
Color Family 
Commercial / Residential 
Commercial / Residential 
Dry time (hours) 
Floor/wall use 
Floor and wall 
Flooring Product Type 
Ceramic Floor/Wall Tile 
Mold and mildew resistant 
Product Weight (lb.) 
50 lb 
Product type 
Warranty / Certifications
Manufacturer Warranty 
1 year product 


Rated 4.6 out of 5 by 116 reviewers.
Rated 5.0 out of 5.0 by Tile and thinset tips and tricks I’ve used this thinset for years on different projects and have had very good success with it. It is easy to mix and spreads well when applying it. I use this thinset for both tile work as well as a jointer for hardie backer. Long term, this thinset holds up quite well and provides an excellent bond. Your tiles will feel stable and secure and won’t break loose over time. I’ve learned a few tricks on the best way to work with this stuff and I hope this helps you on your next tile project. Get the mix right. What you want is a consistency similar to peanut butter. I use a 5 gallon bucket to mix this in. I’ll pour however much mix into the bucket as I think I’ll need for the work I’m doing over the next hour or so. This is usually about ½ a bucket of thinset mix or less. Use your garden hose to add some water to the mix. Be careful not to add too much. Typically, you want just under 1/3 as much water. Use a paddle mixer and drill to get things going. Don’t spin the drill too fast either, just keep it slow and steady until the water is all mixed in and the thinset mix is nice and smooth. The consistency needs to be such that you can spread it easily on a surface and the troweled ridges will continue to stand up on their own. It still needs to be pliable enough though to maneuver the tile in place. While setting tile, if the thinset mix starts to dry out, you can always add just a bit more water and re-mix it to get it back to the right consistency. Don’t apply too much thinset at once. Remember that this stuff will start to dry out once you spread it, so don’t apply more that you can work in about 20 minutes. Twist the tile just ever so slightly when setting it. This will help to get the bond right. I also use a rubber mallet to tap the edges of the tile to ensure I get a good bond. You may also need the mallet to work on getting the corner heights to match up. Remember that setting tile isn’t just the square and making sure the grout lines are straight. You also have to make sure the tile lays flat and the set height is even with the surrounding tiles. I tend to use tile spacers to line up my spacing. Have a large putty knife handy as well as the trowel. I use a 4” putty knife probably more than the notched trowel itself. This is handy for cleaning up tile edges, “buttering” the backs of tiles (when you get into those corners) and scraping up unused thinset off the floor. A hammer and cold chisel works well for getting up dried thinset off the floor. Sometimes at the end of a long day, you may forget to clean an area of thinset off the floor at the edge of a tile you just laid. This will dry and in the morning you’ll have to get it up before you can lay more tile there. Not to worry, just take a hammer and cold chisel to it and it will come right up. June 11, 2015
Rated 5.0 out of 5.0 by Easy to Use So, a couple of do-it-yourself tile books I have talk about thinset in almost mystical terms as how hard it is to mix, get the consistency right, and have good adhesion. I poked around the net, and found someone who measured out a 50# bag of versabond, cup by cup. The magic ratio is 11 cups thinset to 4 cups water. I used this ratio, and my very first batch was absolutely perfect. I was laying 16" tiles, so I could put down about 6 tiles (I was using a 1/4 x 3/8 notched trowel) before I had to mix more. The key was that the troweled peaks did not sag, nor were they gritty (too much water, too little, respectively). I checked adhesion and it was fantastic. If you follow the mix ratio above, you get slightly less than 1 gallon of thinset. I was able to easily mix this in a plastic pail with an 18V Dewalt. I have also used the pre-mix thinset, but wanted to try the Versabond because it is so much less expensive. I'm glad I did. The picture below is Montagna Cortina, carried by Home Depot, along with Hardiebacker. Over the past few years, I've completed two baths, a backsplash, and some decorative tiling with this combination. January 15, 2015
Rated 5.0 out of 5.0 by cost effective alternative for a large job I had a 1000 sq ft tile job to do and was dreading the cost of thin set at over $30 a bag. I read some reviews and decided to give the versa bond a try. It was easy to use and the results were great. July 14, 2015
Rated 4.0 out of 5.0 by Use this all the time. I use this thinset on almost every tile job I do. I used it in all the photos I've attached. It's my go-to for laying ceramic or porcelain tile. June 16, 2015
Rated 5.0 out of 5.0 by Easy install of a beautiful new bathroom Easy to mix and held tile in place very well on floor and on walls. We are not professional tile setters - just a working couple taking on a bathroom renovation by ourselves. The end result is beautiful and, most importantly, we're still talking to each other! February 10, 2015
Rated 5.0 out of 5.0 by Great product! This thin-set worked great for our tile project. We used the orange plastic product for underlayment and everything was beautiful! March 12, 2015
Rated 5.0 out of 5.0 by Great product The mortar was easy to mix, had a nice consistency and dried quickly. August 4, 2015
Rated 5.0 out of 5.0 by Reliable product I've used numerous bags of versabond on a variety of home tiling projects over the past year- floors, shower, backsplashes, & walls. It is always a consistent product. Measure the recommended amount of water, mix according to the directions, and you will get the appropriate "stickyness". July 29, 2015
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