Low Pitch Roofing Felt

A low pitch roof on the other hand absolutely must be waterproofed.

Low pitch roofing felt.

How to install roll roofing on low slope roofs. About roofing supplies supply klober permo extreme rs sk2 low pitch roofing membrane which is a unique vapour permeable underlay felt designed specifically for use on low pitch roofs such as mono pitch extensions with pitches as low as 12 5 degrees. Clean the roof with a broom to remove any debris. 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.

On roofs with a slope of 4 12 or greater use a single layer of 15 lb. Attach drip edge along the edge of the roof with roofing cement. A low slope roof design typically has a pitch of between 2 12 and 4 12. Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs.

Vertical joints should lap a minimum of 4 inches and be offset by at least 6 feet in successive rows see figure 2 2. 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. It s constructed of a durable reinforcing mat of non woven glass fibers that have been coated and permeated to a thickness of approximately 2 0 mm. 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.

Asphalt saturated felt starting at the eaves and lapping upper courses over lower by a minimum of 2 inches. Extend the front edge of the drip edge so it runs off the roof and into the. In any case roofing felt alone is can not make a roof waterproof.