Caulk Expert Answers installation Movement Joints stone

Is it ok to butt a wood floor tight to a marble tile insert?

There should be a 1/8" joint between the wood and marble.  It would be best to caulk that joint as there is likely to be movement.   If you don't have a joint then when the…

Read More
Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers installation Installation Guidelines Standards stone

What is the proper Installation Method for Installing Large Format Tiles?

ANSWER - It is hard to see exactly what they did.  Your message says “photo thin set 1/16” is on the floor, 1.5” to 2.5” of mortar mix with less than 90% coverage, and thin-set 1/16”…

Read More
Ceramic and Porcelain Tile cleaning Expert Answers Maintenance Optical Haze stone Stone Restoration

How do you remove smudges from floor tiles?

ANSWER - First you need to determine what caused the smudges on the tile in order to determine how to remove them. If you have a polished porcelain tile there is a condition known as…

Read More
Counter tops cracks Expert Answers Fabrication Slab stone

Is it normal to have a granite countertop have cracks that continue through the stone?

ANSWER - The Natural Stone Institute, formally the Marble Institute of America, Dimension Stone Design Manual states that "Cracks occur in stones as a result of man-made mechanically induced stresses during handling, fabrication, transport, or…

Read More
Expert Answers Physical Properties Polished selection Slab stone

What is the difference between Limestone and Marble?

ANSWER: According to Pizzul Marmi Aurisina's website blog, due to their technical characteristics, stones are particularly suitable for different applications and, indeed, have been used since the ancient times of the Bronze Age in any kind of…

Read More
cleaning Expert Answers Maintenance Stains stone Stone Restoration

How long will it take for Limestone to Dry from being wet, and will the dark spots go away?

ANSWER - There are 3 subcategories of limestone per ASTM C568.   Their physical properties vary from being vary porous to very low absorbing. How fast the limestone will dry depends on how absorbing it is,…

Read More
cleaning Expert Answers Stains stone

What caused my limestone tile to develop a yellow/brown stain along its edge?

ANSWER -  Normally if you have a  yellow/brown rust-like color stain it is due to a combination of the stone being subjected to excessive moisture and due to the presence of metal, or that the…

Read More
cleaning Expert Answers Maintenance sealers Stains stone

How do I remove the stains in my Granite Floor Tiles?

ANSWER - The dark color spots could possibly be due to underlying moisture below the granite tiles or they could be stains in the granite tiles. Granite is suppose to be technically impervious meaning low…

Read More
cleaning Debonding Tile Efflorescence Staining Expert Answers Exterior failures Inspections Maintenance Stains stone

Why is my Bluestone Patio Tiles coming Loose and Have Efflorescence?

ANSWER - If the flagstone shaped Bluestone is loose and has excessive efflorescence staining then it wasn't installed correctly.   If the patio had been designed correctly and the stone installed properly it should perform well…

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

What is the cause of my grout staining, and how can I remove the stain?

ANSWER - You didn't mention what kind of tile you had.  Natural stone of various types are known to contain ferrous oxide that can lead to staining in the tile or the adjacent grout. Since…

Read More