Granulated Overlay Roofing

The old roof is not so much being replaced as it is being covered over with a new roof.

Granulated overlay roofing.

This may not seem like the obvious way to replace a roof but many homeowners choose this method for some significant advantages. Ac cap sheet consists of a proprietary modified asphalt a tough fiberglass reinforcing core and a granular surface to protect against uv weathering and physical damage. Ul class a b or c membrane constructions are available and system guarantees are available for up to 20 years. The granules give a roof color making it more attractive.

Most cap sheets resemble rolled asphalt roofing. A roof cap sheet is fairly heavy because of the mineral surfacing and is widely referred to as 90 pound roofing in north america. They consist of fiberglass mats coated with mineral granules for strength and durability. Another perk is that you can find granulated roofing in various weights.

It provides superior resistance against the elements and damage to the roof as well as adding extra benefits like flame resistance. A mat of fiberglass polyester or other material is often used as a sturdy core for torch down roofing membranes. Manufacturers also may embed small granules into the top of the membrane to add fire resistance color options ultraviolet uv radiation protection or other distinctive characteristics. The system cures to form a seamless rubber membrane which not only waterproofs and protects the roof but also offers 82 reflectivity to reduce thermal movement and cool ambient air temperatures at ac intakes.

The pros and cons. The glass base resists the effects of moisture on the roof system while the aesthetically attractive granule surface provides an ultra violet protective surface and requires no additional surface coatings. It is a liquid applied thermoplastic sebs rubber roofing system formulated to provide a durable vapor barrier. Gaf tri ply app granule cap sheet 3 3 ft w x 32 25 ft l 100 sq ft white roll roofing.

Saves money contractor will save time savings to homeowner by installing new shingles over an existing roof. Modified bitumen coating is one of the most popular solutions for protecting a flat or nearly flat roof. Cap sheet is a rubberized asphalt roll roofing product. Granular cap sheet roof.

When you overlay a new roof you attach the new shingles or other roofing material to the existing roofing material. There are several benefits to a granulated roofing surface over a smooth surface.