Alpha ProTech Engineered Products, Inc.'s roofing products include roof underlayment and temporary roof protection.

American Saturated Felt (ASF) has been in the roofing materials business since 1974. Starting in the Northeast United States, we are now shipping from coast to coast and internationally.

Atlas roll roofing and felt underlayments are manufactured to ensure easy installation, flawless performance and peace of mind.

As an underlayment for wood shingles and shakes, Cedar Breather® from Benjamin Obdyke's provides space for a continuous airflow between the solid roof deck and the shingles.

Building Products of Canada has all of the quality roofing products you need for your roofing project.

CertainTeed's waterproofing shingle underlayments are applied under roof shingles during new construction or re-roofing to protect your home’s interior from winter leaks caused by ice dams and wind-driven rain.

Continetial Materials fiberboard is your best choice for reliable performance in asphaltic or single ply roofing systems. It’s even environmentally-friendly!

Aqua Guard is a polypropylene underlayment for use with all EcoStar roofing systems. It provides superior deck protection for the life of the roof system.

Epilay ProtecTite™ is a superior 4 ply Underlayment product consisting of 3 ply cross-woven coated polypropylene with an additional layer of non-woven polypropylene.

FelTex® premium synthetic roof underlayment, is among the safest, strongest, and best-performing roof underlayments on the market.

We are GAP, we are family owned, and roofing runs in our blood.

Grace Construction Products’ line of roofing underlayment products, including Grace Ice & Water Shield®, Grace Ultra and Grace TRI-FLEX®, extend the life of a roof by protecting against leaks caused by ice dams and wind-driven rain.

Georgia-Pacific's high-performance gypsum roof boards are built for increased strength in low slope roof applications.

Grip-Rite coatings and sealants offer maximum protection designed to repair, seal, bond, coat or patch any roof project.

Grip-Rite ShingleLayment is the only roofing underlayment with the high performance of a synthetic underlayment, and the finished look of a shingled roof.

Grip-Rite® modified bitumen membranes are manufactured from formulas using only the highest quality materials, to meet or exceed, industry standards.

Trust Henry for all your roofing needs. Backed by more than 80 years of continuous building product improvements.

Keep heat in and cold out with insulated weather-resistant nailable roof decking panels from Homasote.

IKO’s Shingles are created using the industry’s most advanced technology and selected by consumers who demand the best in terms of quality, durability, and value.

At International Diamond Systems, the goal is to offer: the highest quality roofing systems and materials, requiring the simplest application techniques, providing the longest life in resisting all natural elements, and warranted to be virtually trouble free.

Micro-E Insulation and Therma Sheet act not only as roofing underlayments that will not absorb moisture, but also as insulators, helping to keep your house cooler while cutting your summer air conditioning bills.

Whether your project is new construction, an addition, or repair, rely on MFM Building Products for the best in underlayment technology solutions. The choices are complex, involving all kinds of roofing materials, all kinds of substrates, and all kinds of climates. MFM underlayments help you match performance and cost factors for virtually every job.

For a roof to last, your roofing system must include protection from wind-driven rain.

PROFELT PLUS® and PROFELT 30® GENERAL - Perma “R” Products synthetic roof underlayments are designed to replace and outperform traditional asphalt felts. ProFelt Plus and ProFelt 30 will not rot, dry out, or support mold growth.

Protecto Wrap manufactures peel-and-stick, SBS modified, rubberized asphalt high performance roofing underlayments that are internally reinforced with strong non-woven polyester fabric and white reflective topping for added footing safety.

The 100% Polypropylene synthetic underlayment offers a strong, secure, and safe alternative to conventional roof underlayments.