Tuesday, September 14, 2021

Can I Steam Clean my Stone Flooring

 

Can I use a steam cleaner on my natural stone floors?

By Frederick M. Hueston, www.stoneforensics.com

I am often asked if I can use a steam cleaner on my natural stone floors. Steam cleaning is a very effective cleaner removing soil and containments without harsh chemicals. However, on natural stone such as marble, granite and other natural stone it can be harmful.

Since most stone is porous, the high temperature of steam cleaning can cause pressure within the stone which can lead to a condition known as spalling. Spalling is pitting and/or flaking of the stone. In addition if the stone is sealed it can remove any sealer present.  If the stone has any cracks the steam can cause them to expand and open up. Grout can also be damaged by continued use of steam cleaning if used regularly.

If your using a home type steam cleaner it may be ok to use on natural stone since these steam cleaners do not reach the temperature that a commercial steam cleaner. Home style steam cleaner range in temperature about 250 degrees F whereas commercial steam cleaners can reach temperature o f over 300 degrees F. However, these steam cleaners should not be used regularly.

There are several types of steam cleaners

Vapor steam cleaners

These cleaners look like a canister vacuum. They emit a fog of steam vapor to the surface with a wand. The temperature can reach over 200 degrees F

Steam Mops

Steam mops inject steam into a cloth mop that is used to mop the floor. Generally these are safer to use on natural stone since the temperature on the mop are less than the vapor types. They are also a good alternative to harsh chemicals.

Handheld Steam Cleaner

Handheld steam cleaners are simple to use and are good for spot cleanup and for other areas. I really don’t see a need to use these type cleaners on stone countertops or shower walls.

I would recommend that you use a neutral stone cleaner or have them professional cleaned to be on the safe side.

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