Dimensions Guide

Standard felt tears and curls away from
fasteners after exposed to moisture.
Fiberglas
™
Reinforced Felt lays flat and resists tearing
or pulling away from fasteners.
Owens Corning
™
Fiberglas
™
Reinforced Felt adds an extra layer
of protection beneath the shingles to help prevent moisture
from reaching the roof deck. It’s a component of a complete
OwensCorning
™
Total Protection Roofing System
™
^.
•  Lays flat—reinforced with Fiberglas to support flat, more uniform
shingle applications
• Resistant to wrinkling—unlike standard felt, when exposed to
moisture and wind, the Fiberglas Reinforced Felt resists curling
or pulling away from the fasteners
•  Increased tear strength—stronger than standard felt, it resists
tearing away from fasteners when walked on or in windy conditions
• Excellent roof deck protection vs. standard felt—helps
prevent water infiltration under shingles from wind-driven rain and
other sources
Fiberglas
™
Reinforced Felt
The foundation for a better roof system
Fiberglas™ Reinforced Felt is a component of the Owens Corning™ Total Protection Roofing System.™^