Modified Bitumen Roll Roofing

It resembles regular asphalt roll roofing but is more durable and much more resistant to drying out.

Modified bitumen roll roofing.

Modified bitumen is approved for flat roofs with minimal slope but roll roofing is not viable below a 2 12 pitch two inches of rise for each twelve inches of horizontal run with exposed nails or a maybe little lower with concealed nail installation. Gaf liberty 3 ft. Get free shipping on qualified sbs modified bitumen roll roofing or buy online pick up in store today in the building materials department. Smooth surface can be used as a cap or interplay membrane ideal for new roofs and repairs of built up or sbs modified bitumen systems meets astm d6222 type i grade g.

Modified bitumen roofing was designed for use on buildings that have a low slope or flat roof. Modified bitumen costs more than asphalt roll roofing but the increased longevity more than justifies the additional price. Ft sbs self adhering cap sheet roll for low slope roofing in shakewood model 3730737 101 02 piece 101 02 piece free delivery. Modified bitumen mb roofing is an asphalt based roofing system similar to built up roofing bur designed for structures with low slope roofs.

Advantages there are a wide range of methods available for installing modified bitumen roofing from using a hot torch to using a sealant backed peel and stick rolls. Roll roofing and modified bitumen are both suitable for low slope roofs. Today modified bitumen mb is king with cap membranes torched on to fuse them to fiberglass reinforced interplies or base coats. The membrane is made of a polyester mat impregnated with asphalt bitumen that is modified with a rubberized polymer.