Modified Bituminous Membrane Roofing System

Wind design for roof systems has become much more challenging for roof system designers and roofing contractors.

Modified bituminous membrane roofing system.

Learn about modified bitumen sbs roofing systems. It was developed as a means to improve roofing membranes when product quality was affected by the use of a lower quality crude oil by product. Modified bitumen is a common flat roofing system that consists of asphalt with added modifiers to give it a rubber like quality. 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.

Modified bitumen roofs have been used in the u s. This paper explores the similarities and differences between the three relevant versions of asce 7 and the roofing industry developed methods to determine loads. This ensures far greater flexibility than traditional bur roofing systems. App is a smooth surfaced membrane that is torched to an acceptable substrate and then coated to protect it from the uv.

App membrane is applied using an open flame touch while sbs is hot mopped or adhered using a cold processive adhesive. Like built up roofing bur it is usually installed on low slope and flat roof structures. They perform well in both extremely hot and bitterly cold conditions perfect for the weather extremes common across new jersey and nearby states. There are two types of modified bitumen membranes app and sbs.

With a choice of cold or hot application and a range of performance levels all of which provide exceptional waterproofing protection for your building tremco roofing s powerply line of modified bitumen mb roofing solutions combine the advantages of advanced adhesives and membranes with the time tested reliable installation techniques of conventional built up roofing to provide a fully. Modified bitumen roofing has been around since the 1970s when it was developed to address ongoing issues with traditional asphalt roofs. Advantages of modified bitumen. Surfacings can include mineral granules copper aluminum or aggregate.

Application of this type of roofing is less labor intensive than the built up roofing method that applies several layers to create a waterproof membrane. Modified bitumen roofing systems. Developed in europe in the mid 1960s modified bitumen roofing has been used in canada and the united states since about 1975. Simply put it uses modified bitumen membrane roofing sheets made from asphalt.

Modbit membrane rolls come in 36 39 widths and cover an area of approximately 100 square feet. Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures.