Ceramic and Porcelain Tile Expert Answers installation Repairs Stairs

What do I do about the Missing Stair Nosing and Short Stair Tread?

ANSWER - There really isn't anything you can do about correcting the short stair treads as there is no stair nosing extending out over the edge of the stair riser.  You really just need to…

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Ceramic and Porcelain Tile Free Tile and Stone Installation Guidelines installation Installation Guidelines Showers Slope Percent Standards Wet Areas

How thick should the Mortar Be for a Shower Pan Floor in a Shower?

ANSWER - First of all, the way you construct a shower pan is to first apply a pre-sloped mortar bed to establish a slope to the drain of 1/4" per foot.  You can float over…

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Ceramic and Porcelain Tile Expert Answers Granite installation Installation Guidelines Pool and Spa stone

How do I replace my Spa Spillway Surface?

ANSWER - I assume you will remove the existing spillway.  Assuming it is bonded to a mortar bed or to the gunite/shotcrete substrate, after removing the existing spillway, make sure you scarify it and it…

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color Variation Expert Answers installation Limestone Marble Moisture Problems Stains stone

Why is my New Marble Floor Tile Discoloring?

ANSWER - The marble may in fact be retaining moisture and maybe it will go away after it dries out.  On the other hand natural stone has various minerals within it that can react with…

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Ceramic and Porcelain Tile Expert Answers installation Mastic Showers

Can I use Organic Mastic in Showers?

ANSWER - There is a type 1 and a type 2 organic mastic.  Type 1 mastic is more water resistant, but only suitable for limited water exposure. Using the mastic on the kitchen backsplash is…

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Ceramic and Porcelain Tile Expert Answers installation stone

Can I adhere Tile to a Stucco Wall?

ANSWER - You should never adhere anything to a stucco finish on a wall.  The stucco is typically a cementitous material with a low amount of cement that makes it relatively weak.  You should remove…

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Ceramic and Porcelain Tile Expert Answers installation Plywood Substrate Waterproofing

Is it required to have a Waterproof Membrane under a Floor Tile Installation in a Mud Room, Laudry Room or in a Bathroom floor

ANSWER - It depends on what type of mat was used over the plywood on whether it is an acceptable installation method.  Although it would be ideal to install a waterproof membrane in areas that…

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Backer Board Ceramic and Porcelain Tile cracks Expert Answers Exterior failures installation Plywood Substrate Standards

Why is by Exterior Covered Deck Tile Backer Board Installation Causing Tile to Crack?

ANSWER - Normally when you get cracking over a suspended floor following the joints of the tile backer board that the tile was bonded to, it is due to a combination of excessive deflection in…

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Ceramic and Porcelain Tile Expert Answers installation Installation Guidelines Showers Standards Steam Showers Waterproofing

Is it a problem if Schluter Ditra is installed on the walls of a Steam Shower?

ANSWER - Based on the Schluter literature, although they only show floor applications, they don't say it is only for floors. The Ditra is waterproof if installed correctly for waterproofing.  It does have a key…

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Ceramic and Porcelain Tile Efflorescence Staining Expert Answers installation Installation Guidelines Moisture Problems Remodeling Vapor Barrier Waterproofing

What should we do if there is evidence that there is high Moisture coming up our Concrete Slabs?

ANSWER - Carpet might be allowing the moisture to evaporate through it, but as dirty as carpets get you could develop some microbial growth in the carpet.  Adding more carpet doesn't solve or prevent problems.…

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