There are numerous factors that impact the life of an MFMA maple flooring system. Sanding is obviously the most essential. Typically, the installation sanding will remove a full 1/32" of maple thickness above the tongue. Future sanding’s typically do not remove more than 1/32" of thickness. A properly maintained 33/32" MFMA maple floor will provide eight to ten sanding’s and has a life span of 60 years or more. A typical MFMA maintenance schedule calls for an annual finish recoat and a complete resurfacing every 7-8 years, depending on facility use.
Here are a list of signs that your floor needs to be sanded