Expert Answers in Testing
What is the Acceptable Moisture Content in a Concrete Slab for a Tile Installation?
Answer - The ASTM F1869 Calcium Chloride membrane was the dominate test for years and depending on the tile installation manufacturer they would request a value of anywhere from 3% to 12% per 1,000 sf…Read More
Is my Porcelain Tile strong enough to bear the weight of a heavy wood stove?
ANSWER - If in fact the tile you are selecting is a porcelain tile with the physical properties as required in ANSI A137.1, and it is installed correctly, it should be suitable for bearing the…Read More
Is there a test to verify the quality of a travertine stone?
ANSWER - There are ASTM standards for the minimum/maximum physical property requirements for a travertine stone, which is ASTM C1527. They do classify the stone as either Class I Exterior or Class II interior use,…Read More
What is the Coefficient of Friction on Slate Roof tiles?
ANSWER - We deal a lot with static coefficient of friction and dynamic coefficient of friction on stone and other hard surfaces per ASTM C1028 and ANSI A137.1 respectively. There are many types of slate…Read More
Does the ASTM C-648 (breaking strength) Take Thickness into Consideration?
ANSWER - ASTM C648-04 (2009) Standard Test Method for Breaking Strength of Ceramic Tile does not take into consideration the thickness of the tile sample being tested. It is generally true that the breaking strength of…Read More
Does polished tile meet ADA Standards in a chapel area?
ANSWER - Americans with Disability Act (ADA) states that the minimum dry static Coefficient of Friction (COF) of 0.60; ramps: 0.80. Based on the other industry recommendations I would say it needs to be a minimum…Read More
Do you know on average Mortar Compressive Strength would be with standard sand and cement?
ANSWER - Laticrete 226/3701 and Mapei Mapicem are mortars the say they can achieve 5,000 psi compressive strength or greater. Note that the reported values are based on laboratory results, not field testing. Field testing…Read More