February 2013
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More information about underlayment requirements

More information about underlayment requirements

For additional 2012 International Building Code® (IBC 2012) underlayment requirements for steep-slope roof coverings, click here.

For additional 2012 International Residential Code® (IRC 2012) underlayment requirements for steep-slope roof coverings, click here.


This Web exclusive information is a supplement to For your consideration.

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