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How important are tile underlayments?

April 26, 2017tile underlayments

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How important are tile underlayments?

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The underlayment is a secondary weather barrier as some moisture may get past the roof tiles and onto the underlayment. Since the Westile concrete roof tile is a 50-year roof system, you would want to choose an underlayment that will perform under the same climatic conditions for 50 years.