Fiberglas Reinforced Felt Underlayment

Fiberglas Reinforced Felt Underlayment provides an extra layer of protection beneath the shingles to help prevent wind-driven rain from reaching the roof deck.

Owens Corning

Fiberglas Reinforced Felt Underlayment provides an extra layer of protection beneath the shingles to help prevent wind-driven rain from reaching the roof deck. It lays flat when installed and is highly resistant to wrinkling and tearing. For more information, visit roofing.owenscorning.com/professional/accessories/underlayment/fiberglas-felt.aspx.