Remember Me? Mark Forums Read. Tile Calculator. Thread Tools. Is modified the same as fortified thinset Hi. Find More Posts by JJones. Find More Posts by bbcamp. Is modified the same as fortified thinset Thank you. Will post photos of finished job. Find More Posts by Jasonn B. Quote: Say if you are putting down hardi board on the subfloor, and it says to put down with thinset, can you use an of the above, etc?
Find More Posts by ddmoit. Find More Posts by nforcer2. Or mud bed style that ties into a traditional 3 piece clamping drain? The drain is super important in your scenario. If you want to move forward anyway make sure that you do these two things:.
Redgard has to be 2 coats and the proper thickness. Too thin and it will leak. You may as well buy gallons right off of the bat. Also make sure that you mesh tape all seams and all corners. The Redgard needs to go up the walls. Put the redgard on 2 coats up to the shower head. It needs to dry completely between each coat.
Make sure you do a flood test. Plug the drain, fill it up with water, and see if your theories work or not. Let it sit for 48 hours or more. You have a leak. If it actually works make sure all the water drains when you pull the plug. I am getting ready to install wood look porcelain on concrete. Is it best to us a regular thin set or should I go for Mapei Ultraflor Plus?
Also, should I get the the Flexcolor CQ grout or regular grout? Does the flexcolor help with grout discoloration from dirt? Ultraflor plus although I just looked it up and it looks like a minimal product.
But that would be the one. Very helpful and enjoyable read. I am laying tiles over my fireplace surround. My question is what LHT mortar is recommended? The cementitious boards are over drywall and is screwed into the studs. As far as a mortar it depends on what you have access to. It needs to be an LHT mortar. The guide is designed so that people can figure out what brands they can get and then what to buy in those brands.
These vary all across the US but also across the world. Hello, I recently completed the installation of a mortar bed in a shower and decided to coat the mortar with Redguard.
I understand that the unmodified thinset should not have been used for this application. Any suggestions will be much appreciated! Thank you for your time.
Unmodified will stick to the natural stone. So if the mortar can get through the mesh and grab the stone you should be ok. I have laid tile before, but never using Schluter products. I am now laying Ditra heated floor over plywood, and using the Kerdi board on the walls of my shower. I keep seeing your posts about Bostik Ditra Set, is this good for walls and floors? It would be so much easier to use the same everywhere. Any recommendations beyond that is greatly appreciated. Additionally, I am using a smaller tile on the heated floor and will have to float the floor before installing the tile.
Any recommendations for that portion of the job? For everything else schluter wants you to use unmodified. Schluter did just come out with their own mortars and, surprise!
Awesome, Thanks for the response. They did say it will void the warranty, but said people do it all the time. I saw the Ditra modified mortar, but as you said, I cant find anywhere to purchase it. The small tiles are a point load issue but in a residential bathroom the danger is not add great as of it were a more high impact area. It appears to be a quality mortar. You might put in a call to their tech dept.
Please report back if you do call. I have a hunch it will bond just fine but it may be difficult to use for wall applications. Hi DIY tile guy, we are tiling our mobile home that has been here since and we are in Florida, do we really need to use hardie board? Please advise. For walls they have foam boards which are more expensive but much lighter weight and easier to install.
For floors they have membranes that are also much lighter and easier to install. If you have plywood walls then you might be able to just apply a sheet membrane like Schluter Kerdi over it in the wet areas.
It will depend on the type of plywood. For a mobile home you really need to make sure to read the instructions for the products that you are considering. Maybe even calling the tech line of a company might be a good idea to get their advice on engineering a system that will work for a mobile home. High traffic area. Versabond flex and really it should be a LFT mortar because of the 18 inch length.
So I would vote for ProLite. Does anyone have a thorough Crossover sheet for all setting materials? Looking for a good one with all the latest products. Like to compare the premixed grouts and the new generation of dry grouts plus all the thin sets.
I know Tec had one a few years back for thinsets that was quite useful. Laticrete has grout color cross references somewhere on their website. Concerning a shower remodel. Used the following material based upon a vendor rep recommendation. I waited 12 days before using setting the grout, tile mortar seemed dried and in place unable to peel tile off by hand from the front side.
By chance I read that, people say my shower walls will fall apart once I start using the shower based upon the mortar I used — is this true? The tile is under 20 inches and in a residential shower.
Drying is impeded by too large of tile, the mastic applied too thick, too much humidity, and sandwiching it between a big tile and a waterproof membrane. Often times people will try to apply more glue on the back of the tile to compensate for uneven walls. Will your tiles fall off of the walls?
Not likely. Many of these lasted for several years although I have to add the asterisk that they were built with smaller ceramic tiles- not large format porcelain. If you do run into problems at some point they will likely be down at the bottom of the shower where it sees the most water. But I do want to make it clear for people that will read this comment that the way this shower was built is not a good practice.
A shower should be built with real mortar that is mixed with water and a waterproofing membrane. The custom product is 6 dollars more. Is it worth the extra cost or are they both equal in quality? Either thinset will work. Back buttering is always a good practice no matter which size trowel is used. Quick question: Can ardex 77x be used over liquid latex waterproofing?
Yes, it could be used for this purpose but Schluter now has their own line or mortarts that they would like you to use with Ditra-Heat.
As everyone else says, thanks for the great webpage! Do you have a better recommendation? I do plan to back-butter my tiles, btw. Prolite is a great thinset for what you are doing. Awesome site — thank you. Quick question — Any updated opinion on using Schluter unmodified thinset vs Bostik Ditraset? I have access to both, surprisingly, at similar prices. Thanks for any insight.
Ditraset is pretty nice stuff and I believe is still warrantied by Schluter. The tile guy requested to use a mastic for the shower walls to make it easier to install more time to set the tile before it set up.
He used thinset for the shower floor. I am really confused as to whether the product he used is a mastic or modified thinset. The GC said he did not want him to use a mastic product and the product he used was really a modified thinset. The product used for the shower walls was Mapei Premium Mortar for Tile and Stone, wet and dry areas. Prior to tile installation, the shower walls were prepped with a product called RedGuard.
I am concerned whether or not this mortar will hold up long term? Most of my research on line from people indicate not to use the product for the showers. Granted these reviews are dated so perhaps the product has been modified. The premixed mortars in buckets are essentially mastics even though they say otherwise. The installer should have used a thinset that needs to be mixed with a liquid. Hi Tile Guy. What a great site!! Thank you for all your amazing info. Please bare with my question.
I am very new to tile. I do have a question as we are a bit confused on our current tile install. We are having 9X36 planks of tile installed throughout our home on our current concrete floor. Everyone is asking what we are using as an underlayment.
So can you explain to me the difference and should we be using a specific underlayment? Is this Mapei sufficient. Thank you so much for your time. Truly great site. You mentioned that this tile was installed over a concrete floor.
The concrete is the only underlayment required. Hopefully, they used some sort of membrane over where the concrete has cracks. Thanks so much!
Yes the wood look tile is being installed directly over a concrete floor and they patched with membrane over cracks and defects in the concrete. You rock sir! Being new to this I got incredibly worried when all of the underlayment questions were getting thrown our way.
Thanks again!!! I am remodeling the shower. The base is on a concrete foundation. I used the Oatey perfect slope product on top of the foundation. I covered this with the used the Oatey shower membrane and water tested the shower pan for 2 days. I made sure the weep holes are fully functioning and protected with the Oatey included weep hole ridged plastic collar. I am now ready to tile the shower base. Manufacturer mentions needing to seal the surface as stone is porous.
My question is, being the shower pan floor itself, what is the best thinset to use for the stones since the shower floor gets exposed to water? From what I am thinking, white fortified mortar seems correct but I think that uses Latex and water breaks down Latex over time.
Also, I think the stones may draw some color from the mortar as well. I hesitate on using something like versabond fortified white mortar being that it is Latex based. I know it will hold up short term, but I want to make sure the tile sticks. Is there a thinset you recommend for this type of installation? You would definitely want to use white.
If you are sticking directly to the mud bed then you could also use an unmodified if you like. Make sure to still use white. Thank you — your website had the most thorough answers and explanations without bias to any manufacturer that I came across.
You also were honest when you were not familiar about particular products and expressed genuine interest in what the person knew through their experience.
I can only guess that you have a highly successful and happy customer base. It is great! Even though an answer is probably contained with in it I thought I would ask you my specific question. I am DIYing my shower surround over my bathtub. What thin set should I use? I like the idea of premixed but am willing to mix it myself. I saw the limitations on some about waterproof membranes.
And I will get what you say and feel confident. I am chickening out using white BEVELED subway tile 3 x 6 thinking this tile might be harder to cut and make look good especially in the corners. I like the different look of beveled… Any thoughts, advice? I am going to purchase a tile scorer and a small tabletop wet saw because I am going to use marble pinwheel mosaic on the floor. I am a professional artist and as a hobby make large scale stained glass mosaics and I made leaded stained glass windows and doors for my home.
My family is a DIY family too! Thanks in advance for your answer, interest and passion for helping others DIY. So go with either Ultraflex 2 or Ultralite Pro and choose white for the mortar. The Ultralite is nice for doing walls and is only a couple of dollars more so that would be my first choice. For grout, it just depends on how much that you want to spend and what features that you want. I would encourage either Flexcolor, Ultracolor, or Kerapoxy. You can use their Keracolor cement grout which is normal cement grout but this will have to be sealed on a regular basis and is more prone to staining and discoloration than other grouts.
The beveled tile is going to be more difficult to install in the corners. Each corner tile will have to be mitered and that cut will have to be made on your small electric saw. Using a small tabletop wet saw — would I have to rig up a jig to make mitered cuts? How do you apply the grout? Can you still use a float? Or do you have to use another technique? Or maybe a smaller angled float? That seems to be another potential negative about beveled — not so easy to grout…apply and clean off.
However, I think some models have a table that tilts. If so, that would probably be the best option. Some have rounded corners so that you could just angle the corner into the bevels.
But it also works to just use it flat against the tile and go in and out of the bevels. Gloves and fingers are useful tools also. I have 20 x 20 porcelain tile going over an outside covered concrete patio 11 x The home is located in AZ and built less then 1 year ago…post tension slab with patio included. I have three questions.
The expansion joints need to be honored in the tile. Honored means that there is a grout joint directly above the expansion joint in the tile. The tile gets filled with a silicone or urethane sealant so that it remains flexible. This is extremely important. Something like Custom Megalite or Laticrete Titanium would be two of the choices.
There are many more. You want something that works for exterior large format tile installations. A call to the tech department would be the best course of action. I decided to not use beveled. I really liked having the wet saw and tile cutter to use for different cutting needs. Friends were impressed with how good it looked! I plan on dry laying them out. One thing I was wondering in particular is about sealing the marble? Seal before installing?
Seal afterwards? What sealer? With mosaic tile you want to make sure your floor is flat and smooth. Any depressions will show in the mosaic. It may, or may not, be recommended to seal prior to installing. Usually sealing prior to grouting is a good idea. I know of at least one type of grout that recommends a water-based sealer as opposed to solvent based.
The original tile is a small multi-sized square and rectangular mosaic tile so the floor is smooth and even. Just a cracked area near the tub that needs patching. I was going to use the same grout — Flexcolor CQ — unless this is a bad idea for floors.
I enjoyed the challenge of tiling — did a good job for being my first time. Did it in three stages — precut single rows for the three sides, installed those rows and then did the big wall. Next day precut the corners and did the side walls. Next night precut the edges and installed that. Helped not rushing and getting things prepared — precut. And level! Flexcolor CQ is fine for floors but it is one of the products I was wondering about for sealers.
It might be a good idea to call them and confirm. Doing my bathroom and planning on installing Ditra on the floor — over plywood Feeling a little lost, and I fear I was sent home with the wrong product….
I bought the Ditra membrane and was sent home with Kerabond tile mortar. So… A Is tile mortar thin- set? B If I purchase Keralastic to be mixed with the Kerabond tile mortar…. This product is exactly the type of product that has been recommended by Schluter for installing tile over their Ditra membrane.
Mixing Keralastic with this liquid latex additive will meet the A Is there another Home Depot brand you would suggest?
After research I believe I need to go with a modified thinset vs. Custom has a product called Natural Stone and Large Tile Mortar and it lists brick and stone veneers as a suitable substrate.
Additionally, this product is available at Home Depot. But to be safe you should call the tech line of Custom Building Products and get their feedback on how to proceed with your installation. Can thin-set mortar LHT type be used to level tile on uneven wall? I have a problem with screw head not flash in the cement backer board.
Is it better to apply skim coat and let it dry over night? You might use thinset as your adhesive if you plan to tile a shower floor or use heavier materials. Thinset contains sand, water, and cement. There are several terms, ' fortified , modified , latex, polymer', etc. These thinset mortar are either blended with dry latex in the bag, or mixed with an additive instead of water. This type of mortar has more strength, has flex, and is generally better than thinsets that are 'unmodified'.
Is VersaBond a modified thinset? Fortified Thin-Set Mortar is a professional formula, all-purpose mortar, polymer-modified to provide good bond strengths.
VersaBond cures quickly and adheres to most surfaces. Can you use thinset to level a floor? You can use thinset to install tile over an uneven cement floor and leave the floor perfectly level. You can also use thinset mortar to level out an uneven cement floor or fill small holes in the floor without installing tile.
Will new Thinset bond to old Thinset? You can put new thinset on top of old, but only if the old thinset is perfectly smooth and level. Use a floor grinder and pass it back and forth over the old thinset until it is perfectly smooth and level.
You can now tile directly on top of it as if it were a new surface. What is unmodified thinset used for? Unmodified thinset is a blend of portland cement that's mixed with sand silica , and water retention additives, usually lime. Water is then added to the blend to create the final mortar. Unmodified thinset is also known as dry set mortar.
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