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McGarry and Madsen's home inspection blog for buyers of
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Can you coat a TPO roof to extend its life?
Thursday, February 25, 2021
Yes, there are multiple brands of coatings, primarily elastomeric or acrylic, that will extend the life of a TPO (ThermoPlastic Olefin) roof. Here's a few considerations to review before you proceed:
• The roof should be old enough to have lost its shiny finish, at least 5 to 7 years, so the coating can adhere properly.
• Roof surface must be clean.
• Some systems require a base/prep coat first.
• No rain or high winds in the forecast on day of application.
Also, see our blog posts What is a TPO roof? and What is the average life expectancy of a TPO (Thermoplastic PolyOlefin) roof? and What is the minimum slope of a flat roof? and What is the average life expectancy of an elastomeric roof coating? and What is a "cool roof”?
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Links to some of our other blog posts about FLAT ROOFS (LOW SLOPE):
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