Roof Underlayment Products

Owens Corning Modlar Brand
Fiberglas™ Reinforced Felt Underlayment

Fiberglas Reinforced Felt Underlayment adds an extra la...

Owens Corning Modlar Brand
ProArmor® Synthetic Roof Underlayment

Owens Corning ProArmor Synthetic Roof Underlayment with...

Owens Corning Modlar Brand
Deck Defense® High Performance Synthetic Roof Underlayment

Your roof is a big investment. Help protect it right fr...

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