Expert Answers Grout Movement Joints

Can Sealants (caulking) be used For Grout Joints?

ANSWER - First of all, if all the grout joints are failing, filling them with sealant only treats the symptom and not the underlying problem.  So it might not solve the problem.


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Debonding Tile failures Movement Joints stone Tenting

What has caused my marble tiles to Tent up from the floor?

ANSWER - When there is a problem it is generally not due to one deficiency, but rather due to multiple deficiencies. Buckling marble tile or tenting marble tile is typically due to the marble is expanding…

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Ceramic and Porcelain Tile cracks installation Movement Joints Standards

Why is my Tile Floor Squeaking?

ANSWER - The fact that there is a squeak under the tile suggests that the wood underlayment subfloor is moving to some degree.  I doubt that it is the tile assembly itself moving independent of the…

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Ceramic and Porcelain Tile Grout Movement Joints sealers

How do I install grout on tile murals so it isn't so hard to clean?

ANSWER - The recommendations of most grout manufacturers is that use non-sanded grouts for grout joints less than 1/8’ wide, but can use it up to 1/8” wide.  Grout joints 1/8” up to ½” wide grout…

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installation Movement Joints Pool and Spa Wet Areas

Can Travertine Pool Coping be installed over steel?

ANSWER - It is possible to adhere the travertine tiles directly to the steel.  There is no need or value to use backer board in an application such as this. The steel has to be scarified…

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failures Movement Joints Tenting

What caused my Tile to Buckle?

ANSWER - All materials absorb moisture to some degree.  Ceramic tiles with a porcelain body only absorb 0.5% or less.  A glazed surface tile normally doesn't absorb any moisture in its surface.  Depending on the type…

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Debonding Tile failures Movement Joints

Does the Lack of Movement Joints Cause Tile to Debond?

ANSWER - All tile installations require movement joints of one type or another at perimeters and within the field of tile.  Interior applications should have movement joints at all perimeters and transitions and every 20…

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installation Movement Joints

What to use to fill the joint between the back of my sink and the wall tile?

ANSWER - I am assuming that when you refer to the grout behind the faucet, it is the transition joint from the granite countertop to the tile wall back splash.  This joint should be a movement…

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installation Movement Joints Standards

Do I Need Expansion Joints and Crack Isolation Membranes?

ANSWER - Per TCNA EJ171 standard, exterior tile applications should have expansion joints (movement joints) every 8 to 12 feet in all directs and be filled with a backer rod or tape and a C920 sealant (structural…

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Ceramic and Porcelain Tile installation Movement Joints Standards

Installing Porcelain Tile with Mastic

ANSWER - Organic mastic is not considered a long lasting product, and depending on the type of mastic you used (ANSI A136.1 type 1 versus type 2, and the quality of the product) it can…

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