Reinforced Underlayment

Fiberglas™ Reinforced Felt Underlayment


New 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’s an essential part of a complete Owens Corning Roofing System. Learn More

  • Lays flat—reinforced with Fiberglas™ to support flatter, more uniform shingle applications
  • Highly resistant to wrinkling—for a smoother surface, even when exposed to moisture
  • Increased tear strength—stronger than standard felt, it will not tear away from fasteners when walked on or in strong wind
  • Superior roof deck protection—helps prevent water infi ltration under shingles from wind-driven rain and other sources


Alan's Roofing, Inc. is an Owens Corning Platinum Preferred Contractor. This is an elite membership consisting of only the most knowledgeable and capable construction professionals in the nation. As members, Alan's Roofing, Inc. has the privilege of offering the Platinum Promise™ Limited Warranty which backs workmanship for 15-20 years. This allows our customers to enjoy the peace of mind that comes with having quality shingles installed by the best of the best!

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