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Custom Building Products

Model PMW50

Internet #202519208

Store SKU #196012

Store SO SKU #1000406893

Porcelain Tile White 50 lb. Fortified Thinset Mortar

$22.97 / each
If you buy 20 or more
$20.67 / each
  • Superior bond to porcelain tile
  • Excellent for use with radiant heat systems
  • Formulated for installations over concrete and backerboard

Frequently Bought Together

Product Overview

The 50 lb. Porcelain Tile Mortar is formulated for installations over concrete and backerboard. This mortar is designed for use with tile over 12 in. x 12 in. Superior bonding of porcelain to concrete, backerboard and cement self-leveling underlayment.

California residents: see   Proposition 65 information

  • Excellent for glass tile and radiant heating system installations
  • Use for interior or exterior
  • Requires restriction of foot traffic and movement of heavy objects for 24 hours
  • 50 lb. bag covers approximately 90 sq. ft.



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Customer Questions & Answers

22 Questions35 Answers

Customer Questions & Answers

Porcelain Tile White 50 lb. Fortified Thinset Mortar
Porcelain Tile White 50 lb. Fortified Thinset Mortar

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5 answers

what is the water to thin set ratio on this product? The instruction on the back says 6 quarts of water , then add mortar but how much mortar?

This question is from Porcelain Tile White 50 lb. Fortified Thinset Mortar
Asked by
Fairfield, CA
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May 30, 2014
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Asked by
minneapolis
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July 14, 2015
Answer: 
the whole bag and there's waiting time to.
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Asked by
Cleveland OH
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October 16, 2014
Answer: 
They mean the entire bag. I had to mix less at a time because I am slow, and it started to set up in my wheelbarrow. A little over 8 lbs and 1qt of water was what I mixed at a time.
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Asked by
Portland, OR, USA
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June 10, 2014
Answer: 
Sorry I can't be of more help, but I do it strictly by feel. I've never measured how much water I use. I pour in water based on where I am in the mixing process (obviously there is a lot, lot more at the beginning). I listen to my mixing drill and watch how easy it is to fluff the thinset. As the drill gets to the point of having little resistance and the thinset is looking more liked whipped cream I put Read More
Sorry I can't be of more help, but I do it strictly by feel. I've never measured how much water I use. I pour in water based on where I am in the mixing process (obviously there is a lot, lot more at the beginning). I listen to my mixing drill and watch how easy it is to fluff the thinset. As the drill gets to the point of having little resistance and the thinset is looking more liked whipped cream I put a little between two fingers and squeeze. If still a little too thick I dribble in extra water on top and repeat the process. I do vary moisture levels based on the size that I've mixed. If it is a small job of a gallon or two of thinset it will go down fast and can be a bit drier. A full five-gallon pail is a bit more moist, since the latter part will go down drier than the first part, and it helps to remix part way through regardless. Read Less
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Asked by
Technical Service Dept. Corp office
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May 30, 2014
Answer: 
Mixing Ratios
Mix 6 qts (5.67 L) clean water per 50 lb (22.68 kg) bag of mortar.
6 quarts is for a 50 lb bag. If you need smaller batch then mix 3 to 1 ratio; 3 parts powder to 1 part water. If you need further assistance please contact our installation division at 800.282.8786
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Asked by
Atlanta GA
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May 30, 2014
Answer: 
Hi Bobby,
The key is to mix it to a peanut butter like consistency. I really don't put too much water until I have enough mortar for a given area.
In other words, slowly mix the right amount of water/mortar for the amount of tiles you'll be installing in a given time. This means if you mix too much, it can set up in the bucket and start to tack dry, which leads it to fail.
There isn't a right or wrong Read More
Hi Bobby,
The key is to mix it to a peanut butter like consistency. I really don't put too much water until I have enough mortar for a given area.
In other words, slowly mix the right amount of water/mortar for the amount of tiles you'll be installing in a given time. This means if you mix too much, it can set up in the bucket and start to tack dry, which leads it to fail.
There isn't a right or wrong way, just mix small manageable amounts that you can easily work with.
Joseph Read Less
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4 answers

Hello, i used pre-mixed tile adhesive for a wall installation over concrete that stated it was good for tile up to 12in by 12in.

This question is from Porcelain Tile White 50 lb. Fortified Thinset Mortar
Asked by
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February 4, 2014
but the adhesive is taking a very long time to set, which is concerning to me. I still have about half the job to do. Should i switch to the thinset mortar that needs to be mixed instead?
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Asked by
minneapolis
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July 14, 2015
Answer: 
i use once premixed and regret that decision will never use again, make sure that your grout is intact otherwise your tile will start to fall out off the wall if the area is constantly wet
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Asked by
Portland, OR, USA
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June 10, 2014
Answer: 
Your problem is that you have a water-based product and are providing no way for the water to escape (this is essentially the same conditions the adhesive has sitting in the bucket in the store, which is why it doesn't harden in the bucket). I have one great concern, and that is, does your adhesive say it is designed for 12x12 tiles on a wall installation? Gravity has a way of causing problems, which is Read More
Your problem is that you have a water-based product and are providing no way for the water to escape (this is essentially the same conditions the adhesive has sitting in the bucket in the store, which is why it doesn't harden in the bucket). I have one great concern, and that is, does your adhesive say it is designed for 12x12 tiles on a wall installation? Gravity has a way of causing problems, which is why you have to be especially careful when installing tiles on a ceiling. If, yes, then I would proceed and use a heat gun to warm the tiles and help them get rid of the moisture so that the adhesive can harden. You will have the same problems with thinset, and in shower situations I prefer adhesive since it is waterproof when it dries. The one problem with adhesive is that it shrinks as it dries so it is much harder to use to level tiles, but is great on a flat surface. Read Less
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Asked by
Pa
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May 13, 2014
Answer: 
The product should say that drying time is increased when using larger tile. Using over concrete will also increase drying time. Even though pre mix is easier it may not have been your best option. Switching may be the better choice depending how much more you need to complete. Try using a fan to circulate the air and help remove the moisture.
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Asked by
Technical Service Dept. Corp office
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February 4, 2014
Answer: 
Yes, the tile project con be completed using Porcelain Tile Fortified Mortar. Tile installation can be grouted in 24 hrs. If you need further assistance please contact our installation division at 800.272.8786
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3 answers

I thought I saw in the store on the bag it said " Porcelain White Mortar & Grout. Can I grout with this?

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St. Petersburg, FL
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January 23, 2015
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Asked by
minneapolis
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July 14, 2015
Answer: 
i would not do that any product that is say is for two jobs is not good for 2nd use it as a glue and buy the grout that is for grout only.
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Asked by
Parker, Colorado
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May 17, 2015
Answer: 
Yes, but only if the gaps between the tiles are small (Thin - set)...1/8 inch or less. The sanded grout is used for the tiles that you set spacers between
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January 26, 2015
Answer: 
Porcelain Tile Fortified Thin-Set Mortar is to install tiles not for grouting. Grout with PolyBlend Sanded Grout for joints 1/8" up to 1/2" or PolyBlend Non-Sanded Grout for joints 1/16" up to 1/8".
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2 answers

Can this product be used for 12" X 24" porcelain tiles over backer board and if so, how thick? This will be going down on a bathroom floor.

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Salem MA
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June 13, 2016
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June 15, 2016
Answer: 
Porcelain Tile Fortified Thin-set Mortar is not recommended for setting a 12" x 24" porcelain tile. We would recommend the use of a large format tile mortar like our VersaBond-LFT. For further assistance please contact our installation division at 800.272.8786 option 2
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Asked by
Cleveland OH
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June 15, 2016
Answer: 
Yes, it can. I used a 3/8 square notched trowel. This is made for large format tile. I used it both on the floor and the walls.
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Customer Reviews

Rated 4.8 out of 5 by 25 reviewers.
Rated 5.0 out of 5.0 by Excellent Thinset! Had 422 square feet of porcelain tile to install and we used this thinset. If you follow the directions you will use six quarts of water for one bag of thinset. Instructions say to put water in first and then add thinset. I put in 5 1/2 quarts of water, then add the thinset, use my Rubi mixer to start mixing and then add in the last 1/2 quart of water. I find by adding water the way I do I have less clumps of dry Thinset. You want to mix the thinset on low speed. If you mix on high speed you can get air bubbles in the thinset which will ruin your work. I mix about 7 minutes, let the thinset sit another 7 minutes then mix between 5-8 additional minutes. I always use a 5gallon pail with a lid. When I am not using the thinset I keep it covered which I find adds to the time you have to use the product. Manufactured states it lasts two hours but with the lid on I find you can extend the time by at least 30 minutes. It works great for porcelain tile! March 11, 2016
Rated 5.0 out of 5.0 by Strong thinset This thinset is easy to work with and sets up very hard with great bonding power---no problems June 7, 2016
Rated 5.0 out of 5.0 by Excellant product This product goes above and beyond. Easy to spread, great bond. July 19, 2016
Rated 4.0 out of 5.0 by Good product Mixes and trowels easily. Bonding strength is good. June 28, 2016
Rated 5.0 out of 5.0 by I always use this, the only thin-set I use. White thin-set has no color transfer through your job. stays loose in the bucket long time, great January 12, 2016
Rated 5.0 out of 5.0 by Used on vinyl floor i used it on vinyl floor and concrete floor works great. February 17, 2016
Rated 5.0 out of 5.0 by 6x24 wood grain tile Super easy to mix and easy to spend, only as messy as you are lazy - meaning if you fling it everywhere your going to have a mess. If not, it's easy to clean up. Dried quickly and worked very well February 5, 2016
Rated 4.0 out of 5.0 by Thin-set mortar Used for a re-do on my bathroom. Time will only tell, but I think it will hold up well. January 3, 2016
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