How many times can a floor be sanded down to bare wood?

What is the expected life cycle of 25/32” thick maple flooring if all the possible pitfalls are avoided?  Unfortunately, there are additional factors that shorten the flooring life cycle; the number of available sandings of the floor depends on the people sanding the floor, a skilled sanding craftsman will remove the minimal amount of flooring surface necessary for the flooring to look rejuvenated, someone not possessing the equivalent skill and knowledge could shorten the floor systems life.  Generally, athletic floor systems that feature continuous subfloor support of the maple flooring provided better lifecycles vs. subfloor systems such as simple sleeper systems.

The overall consensus, there are up to six sands available in a 25/32” thick maple floor, if the floor is sanded at reasonable frequency and is maintained and sanded by a knowledgeable skilled flooring contractor and does not suffer any environmental or abuse damage.  The general average of 8 to 12 years for owners having their floors sanded results in a typical average life span in excess of 75 years.
Disclaimer: The MFMA provides general information to architects, specifiers and consumers. The MFMA, its members, officers and agents disclaim any responsibility whatsoever for the accuracy or applicability of these guidelines under all circumstances and conditions.
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