Roof Structure And Membrane
We also cover spray applied foam and liquid roofing options.
Roof structure and membrane. The consequences of roof leaks range from nuisance to economic devastation. Modified bitumen roofing is a cross between a rubber roofing membrane and an asphalt roof. The roofing membrane is called modified due to the addition of modifiers such as polyester fiber which creates a strong durable and thin roofing material. Always be sure to use thicker membranes when installing solar on single ply membranes.
To counteract the forces that are exerted on the roof the roofing and insulation must be fastened and secured to the perimeter and the main roof structure. Other good options are protected membrane roofs or conventional roof membrane assemblies that have been constructed with high compressive strength as well as roofs that have been designed with a positive slope for drainage. Roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee. Membrane roofing for flat roofs.
Membrane roofing is a type of roofing system for buildings and tanks. Green roofs are a wonderful addition to a home but they do require additional structure to hold up the weight of the soil and they can be susceptible to leaks. Roof edge or eaves edge all the boards running along the edge of the roof or eaves. Also known as a fascia.
It is used to create a watertight roof covering to protect the interior of a building. Roofs protect our property processes and products from the elements. Membrane roofing is often used on commercial flat roofs. The vacuum and the uplifting pressure created by wind blowing over the edge of the roof can partially rip the roofing membrane or system that has been applied.
Aside from cleanup and roof repair the costs include damage to equipment and processes loss of productivity and destruction of product. Historically the most common type was a tar and pitch membrane but newer synthetic materials are quickly taking over. Usually made from 1 2 inch plywood the decking closes and reinforces the roof structure and provides a nailbed for the shingles. For a flat roof these newer synthetic membranes offer a great leak proof option.
Membrane roofing refers to a number of different roofing materials. Roof coverings is a materials which gives a protective surface to the roofing structure the function is only to prevent ingress or egress of heat moisture into the building various types of coverings depending on the character of the building the type of the roofing structure local conditions cost etc. While roof structure failure is fairly rare roof membrane failure however is not. Bitumen is the black viscous compound used to create asphalt.