Rated 4.5 out of 5 by 4
Rated 5.0 out of 5.0 by DavidinSeattle works very well, but expensive
It's pretty expensive. I used it for our 7'x4' shower where we tiled all the way to the ceiling with large format glass tiles. So, i spent hundreds of dollars on thinset alone. That said, I needed the lighter weight and flex this thinset gives. I recommend you mix it just a smidge on the thin side to give you more working time or mix it in smaller batches. It starts to harden a bit faster than other thinsets I've used.
When you mix it just a bit lighter than peanut butter, it trowels out nicely and the back butter on large format tiles is smooth as well.
June 28, 2016
Rated 5.0 out of 5.0 by Rick A Great Thin Set for Challenging Environments
I used this thin set for what is certainly one of the most challenging environments for tile work: outside on a wood framed deck in Colorado. If it works for this, it'll work for just about anything. Last year I built my first large outdoor, waterproof, tiled deck with 18"x18" porcelain field tile, and this thin set has now survived multiple snow storms, followed by bright sun and the associated dozens of freeze/thaw cycles over the past 9 months. It's holding up very well to date with no sign of any issues. I am now in the process of building two more similar but smaller tiled decks and using this thin set again.
The decks are constructed from engineered framing materials, covered by plywood, backer board and a waterproof decoupling membrane (made by the Noble company in my case). The surface does, as you would expect, expand and contract somewhat with temperature and humidity swings. I picked MegaLite thin set for its flexibility, and it is also the stickiest stuff I have ever worked with. When I first started using it for the larger format tile, I placed one tile using a 1/2"x1/2" square notched trowel on the substrate and back-buttering the grid on the back of the tile. I then pulled the tile back up to check for 95-100% coverage, which is critical for tile work outdoors, and it was all I could do to pull up that tile using two floor chisels and going very, very slowly so as not to break the tile. The stuff definitely grabs.
I went through 24 bags for the first deck, setting just under 1,000 sq ft of tile. Using a light weight thin set is a little different than other thin sets... the consistency is very different and it skins over more quickly. This latter feature is something you need to factor into your tile setting approach because you definitely want to have no skinning when you set the tile. So you just need to have your tile pre-cut, trowel out for small groupings of tile at a time, work quickly and re-stir often (as with any thin set, don't add more water to thin it... toss it when it gets too thick). About 30 minutes after setting a tile, it's pretty much there for life. Cleanup is also more difficult than with a typical thin set because the stuff adheres more to buckets, trowels, your hands and anything else it touches; but that's expected and is a good thing as it's an indicator of how well it sticks.
Time will tell how well MegaLite holds up through seasonal cycles, but I have no reason to believe it won't. I also like that you can build up the thickness of this stuff to as much as 3/4" when a thicker application is needed. I now also use this product when I have to set larger tile on a shower ceiling as I have no worries about tile coming loose either during or after installation.
It's overkill and a little more tedious for less challenging tile work, especially given the cost, but when you have a tough job it's definitely a thin set to consider.
April 20, 2016
Rated 5.0 out of 5.0 by markaw3 Used Mega Lite for my 16' honed porcelain tiles
Once you sink a big tile into this stuff it ain't coming back up (without possibly cracking it )
so make sure you get it right.
I mixed a little on the runny side because of this extreme adhesion. That way I could put extra down and
if a tile was a little high I could "earthquake it " to get it to flow out the edges and scrape it up, thereby minimizing unsightly lippage .
Made for extra work but I now know I have full coverage , especially under the fridge and it looks great.
Photos don't seem to be uploading so you'll have to believe that it looks great.
July 3, 2014
Rated 3.0 out of 5.0 by LegacyFloors Works good, but dries WAY too fast.
This is a great value for glass, porcelain and just about any other material you are installing. HOWEVER, this stuff skins up in under 5 minutes. I don't understand why all of these "light" thin sets dry so quickly. If you are doing a backsplash or wall, and you have cuts to make, you will be lucky if it's not skinned over on the wall by the time you get back. I am sure there are many applications for this thinset that would be great, but this is my experience. It sticks great, it is very light, and good quality however.
April 2, 2013