cleaning Counter tops Expert Answers Marble Mold Sealant Caulk Stone Restoration

What is Causing my Kitchen Marble Countertop to Stain?

ANSWER - Marble isn't the safest material to use on a kitchen countertop because it is primarily comprised of calcium carbonate that is chemical sensitive and has a tendency to scratch.  Having a honed surface…

Read More
Ceramic and Porcelain Tile Expert Answers sealers

Can I seal a Saltillo Terra Cotta tile with a Sealer that won't change its appearance?

ANSWER - There are sealers called penetrating sealers that seal the tile but doesn't change the appearance of the tile. These is a product called Miracle 511 Impregnator Porous Plus meant for high absorbing tiles…

Read More
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…

Read More
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.…

Read More
Ceramic and Porcelain Tile cleaning Expert Answers grout Haze Ink Jet Glazed Tile Maintenance Repairs

Why do my Plank Floor Tiles have a Haze or have Lost its Color?

ANSWER - Tiles should lose their color from cleaning.  There are a lot of variables to consider.  First what kind of tile is it and how was it manufactured.  I will assume it is a…

Read More
Ceramic and Porcelain Tile Expert Answers grout installation

Why hasn't my grout harden?

ANSWER - If you are using a cementitious grout it should harden.  If you used too much water in mixing the grout and/or too much water in cleaning the grout during the installation of the…

Read More
Ceramic and Porcelain Tile Expert Answers installation Installation Guidelines stone Waterproofing

Is it necessary to waterproof under tile installations?

ANSWER - It depends on the application on whether waterproofing under a tile installation is necessary.  If it is in a wet application and in some exterior applications, then it is necessary to waterproof the…

Read More
Ceramic and Porcelain Tile cleaning Expert Answers grout Maintenance Stains

How do we remove a Urethane Grout Haze from a Tile?

ANSWER - If you rub too hard you might damage the tile. The best approach is to contact the manufacturer of the urethane grout and ask them how best to remove the urethane grout haze. …

Read More
cleaning Efflorescence Staining Expert Answers Limestone Maintenance stone Stone Restoration Wet Areas

How do you remove stains in Limestone in an Exterior Application?

ANSWER - Limestone stone is a calcium carbonate sedimentary natural stone.  It contains various minerals such as ferrous oxide that when subjected to excessive moisture can develop mineral stains. Sometimes this is just minor staining…

Read More
Brick cleaning Expert Answers Exterior Maintenance Repairs

Can I Stucco over an Existing Brick?

ANSWER - I would be surprised if the brick is made of porcelain clay which is very dense and has 0.5% absorption or less.  There are some very dense clay brick. Stucco is a weak…

Read More