Roof underlayment acts as water barrier installed underneath the metal roofing system. Essentially, it is a roof underneath the roof. It protects your roof from condensation that may form underneath the metal due to the differences in temperatures in the attic and outside.
Synthetic underlayment became popular for use in metal roofing systems because of its strength and water barrier properties.
- TITANIUM® UDL-25 PLUS
- TITANIUM® UDL-30
- TITANIUM® UDL-50
- TITANIUM PSU-30
Brands of Roofing Underlayments
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