2 Ply Modified Bitumen Roof Membrane

Gypsum roof board 1 2 inch thick.

2 ply modified bitumen roof membrane. 10 ft deep over two courses. Available in a variety of thicknesses in smooth and granule surfaces sbs membranes may be installed in hot asphalt cold adhesive or may be heat welded. The 2 part system consists of a base layer and a cap layer. The base layer provides waterproofing and a surface for the cap to bond to.

Additionally henry lowslope two ply self adhered waterproof roll roofing is used as a two ply roofing sheet for exposure to various weather conditions. The product self adheres with a granulated top service. Modified bitumen 2 ply membrane. Modified bitumen is a 2 part low slope roof system that is made when polymers are added to asphalt to change its properties.

Following is a list of items that should be on your radar and someone well versed in 2 ply modified bitumen flat roofing installations should be able to answer all your questions. Modified bitumen roofs have a lot of advantages over other types of membrane roofing and are often seen as the modern alternative to the built up roof. The insulation layer provides its r value or thermal resistance that limits the movement of heat passing between the roofing structure. Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures.

Ice and water shield self adhering. Currently the newly installed autumn 2014 2 ply torched down modified bitumen roof membrane iko 1600 sf on my 1928 home s flat roof after 1 1 2 years is buckling quickly losing mineral in one area upper outside corner approx. Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures. Epdm roof membrane 90 mil fully adhered membrane only 0 56 lbs.

Flat roof slope the slope of your flat roof determines how well your roof sheds water. Henry lowslope two ply self adhered waterproof roll roofing is a modified bitumen roofing membrane with a fibrous glass reinforcement.