Depending on your roofing systems design one of these membranes might be a better choice than the other.
Types of torch down roofing.
Torch down systems involve heating the adhesive as the material is unrolled.
Single ply membranes such as pvc epdm tpo or torchdown also known modified bitumen are the most common low slope and flat roofing materials.
The biggest problem with epdm rubber roofing material is that the adhesives that are used to glue the seams together.
Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.
There are many choices and material types you can use on your flat roofing system in seattle.
The adhesives used are a type of contact cement and over the last 40 years have been recalled over five times.
Two layer and three layer torch down roof systems.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.
Newer peel and stick systems are safer and easier.
While it can last up to 20 years installing torch down roofing can be a dangerous process and as such tends to cost more than traditional roofing materials.
Apply the bitumen by melting it over fiberglass.
Ft sbs self adhering cap sheet roll for low slope roofing in white.
Peel and stick material can be installed by homeowners.
Torch down roofing is a type of roofing material that has been designed for low angle or flat roofs.
There are two different types of torch down roofing systems.
This extra layer helps extend the life.
What is a torchdown roofing system.
The membrane is available with a smooth surface.
The extreme heat on a flat roof over 160 degrees f breaks down the bonding properties of the adhesives and compromises the roof.
Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt.
Torch down roofing peel and stick roofing asphalt roll roofing low slope roll roofing roll roofing mineral surface rolled roofing roll roofing roofing materials related products liberty 3 ft.
Torch down roofing consists of modified bitumen which is similar to asphalt.
There are two main types of torch down roll roofing.
This 25 year old 2 ply modified bitumen torch down rubber roof coated with aluminum asphalt paint which is meant to protect the surface against harmful uv rays it has had many years of scattered debris foot traffic from a rooftop a c and ventilation units being serviced yet there is no indication that repairs have ever been needed.
A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface.
Coated modified bitumen rubber roof.
A two layer torch down roof consists of one base sheet and one smooth cap sheet.
Two layer torch down roofing may cost less.
Two layer systems and three layer systems.
