Debonding Tile failures Hollow Sounding Tiles installation Moisture Problems Standards

How are voids beneath tiles harmful?

ANSWER - If you tap on a ceramic or stone tile with a hard dense material, like a steel ball, where the tile is not bonded it will sound hollow (lower pitch sound) than areas…

Read More
failures Moisture Problems Standards

Tile is coming up because of moisture problem

ANSWER - There is no simple answer to your question without thoroughly investigating your situation, but I will make some general comments to help you to decide how to proceed. There is an ASTM F-1869…

Read More
cleaning Moisture Problems sealers stone

Can you recommend sandstone-specific sealer products?

ANSWER - You should experiment with several sealers that are recommended for your application to see which performs the best. If the stone is crumbling that may be an indication that the stone is spalling…

Read More
Ceramic and Porcelain Tile cracks failures Grout Moisture Problems

Wood underneath tile next to sink is soaked and smells mildewed

ANSWER - The description of your kitchen counter leads me to belief that they installed the tile directly to a wood top without a waterproof membrane on top of it. That is not a good…

Read More
Ceramic and Porcelain Tile failures Moisture Problems Removal

Must I remove tile floor over wood after flood?

ANSWER - One of the drawbacks with installing over wood is if the wood gets wet it expands and when it dries it warps causing various structural stress on the floor and to anything attached…

Read More