Types of torch down roofing.
Types of torch down roofing.
Both systems have a base and cap sheet but in the three layer system the roofing professional will apply a base sheet then a smooth cap sheet and finish with a granule cap sheet.
Torch down roofing consists of modified bitumen which is similar to asphalt.
The membrane is available with a smooth surface.
Depending on your roofing systems design one of these membranes might be a better choice than the other.
Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt.
The adhesives used are a type of contact cement and over the last 40 years have been recalled over five times.
Two layer torch down roofing may cost less.
Torch down roofing is a type of roofing material that has been designed for low angle or flat roofs.
There are two main types of torch down roll roofing.
A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface.
Peel and stick material can be installed by homeowners.
This extra layer helps extend the life.
Torch down systems involve heating the adhesive as the material is unrolled.
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.
Two layer and three layer torch down roof systems.
A two layer torch down roof consists of one base sheet and one smooth cap sheet.
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.
Apply the bitumen by melting it over fiberglass.
Coated modified bitumen rubber roof.
Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.
The extreme heat on a flat roof over 160 degrees f breaks down the bonding properties of the adhesives and compromises the roof.
Ft sbs self adhering cap sheet roll for low slope roofing in white.
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.
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.
There are many choices and material types you can use on your flat roofing system in seattle.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.
What is a torchdown roofing system.
A single ply rolled roof similar to ice and water shield but impregnated with a mineral based wear surface.
