Low Pitch Roofing Felt

Asphalt shingles are as their name suggests shingles made from asphalt and layered on your roof over felt a synthetic underlayment or thicker ice and water shield type membrane.

Low pitch roofing felt.

I italicized atop because on very low slope roofs some shingle installation applications specify interlaying a course of felt underlayment perhaps using 30 felt between every shingle course as part of making a shingled roof on a low slope a successful installation. In any case roofing felt alone is can not make a roof waterproof. Vertical joints should lap a minimum of 4 inches and be offset by at least 6 feet in successive rows see figure 2 2. We supply roofing materials nationwide through our four branches online.

How to install roll roofing on low slope roofs. A low pitch roof on the other hand absolutely must be waterproofed. Asphalt saturated felt starting at the eaves and lapping upper courses over lower by a minimum of 2 inches. A low slope roof design typically has a pitch of between 2 12 and 4 12.

Just like any other roofing system low slope roof designs will have several effects on the overall construction of the building including the interior volume the style and design of the house the drainage system and the material used for covering. Attach drip edge along the edge of the roof with roofing cement. Extend the front edge of the drip edge so it runs off the roof and into the. Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs.

On roofs with a slope of 4 12 or greater use a single layer of 15 lb. Clean the roof with a broom to remove any debris. Shingles can be a controversial option for a low slope roof.