Questions tagged [mastic]
10 questions
5
votes
2 answers
Can I use modified mortar on waterproofed shower walls?
I was told by a tile installer that I should not have used waterproofer on the walls now the thin set will not cure. He will have to use mastic for the tiles to adhere. But my research says never to use mastic in a shower.
What is the correct…
jon mull
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- 2
2
votes
2 answers
How to prevent solidification of mastic in nozzles
Using mastic or adhesives in cartons or cartidges that are squeezed out by a handgun, the nozzle is of paramount importance.
Problem is, going back several days, weeks, or months later, the mastic has gone hard in the nozzle. It's often fine still…
Tim
- 5,501
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1
vote
0 answers
Hardwood over black mastic
I am redoing the hardwood floors in about 700 sq ft of my house. This area sits above an unfinished basement on joists. In demoing the kitchen, we found that a small piece of tile had asbestos. I think that small piece was the only piece of tile in…
JJB
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- 1
1
vote
1 answer
Removing ceramic tile (non-asbestos) on top of subfloor and some black mastic (asbestos)
In middle of 1/2 bath remodel in 1970 home. Prev owner had remodeled bathroom 10+ yrs ago. That contractor left orig vanity in place but cut and removed vinyl tiles around vanity and laid ceramic tiles in thinset on subfloor. I pulled the vanity…
aklein97
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- 1
1
vote
1 answer
Floating floor over old mastic?
I recently had carpet and asbestos tile tested and removed from my basement, and now am left with concrete covered with black mastic (non-asbestos per testing). I would like to cover the floor with floating planks, and was wondering if the mastic…
kg333
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1
vote
1 answer
Why is it a bad idea to install self-stick tiles over luan plywood?
I am intending to instal self stick tiles over a primed luan underlayment in a bathroom. However, the manufacturer's instructions clearly state:
DO NOT install over unsuitable or unstable subflooring such as chipboard, OSB, luan plywood, mahogany…
You Old Fool
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0
votes
0 answers
Black Mastic Removal and Grinding Basement Concrete
Just finished removing about 1,400 of black mastic, tested negative for asbestos, using Blue Bear Mastic Remover in my basement. The basement's sump pump tile was apparently re-poured at some point leaving unlevel sections that the scraper can't…
Michael
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0
votes
1 answer
How to fix fallen ceramic tile from top of window
Due to a leak, a horizontal tile from the top of our bathroom window fell. Here's a shot of the window from the inside with the missing tile at top center for context.
The leak seems to be fixed so I'm reattaching the tile. Would anyone be able to…
smackypack
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- 1
0
votes
0 answers
Can I use mastic to apply stone to an interior wall sheathed with OSB?
I am in the process of building out a man cave. I have selected MSI split marble stacked stone for the bar. The bar is L shaped approx 40 1/2” high.
What are the pros/cons of using mastic to apply stone directly to the OSB fascia sheeting rather…
Rich
- 1
0
votes
0 answers
How to encapsulate mastic adhesive and seal concrete garage floor
Part of my garage floor has what I believe to be asbestos vinyl tiles. My plan is to take appropriate precautions and get the tiles up. Then leave the mastic adhesive underneath, since it also probably has asbestos, and encapsulate the adhesive with…
