Since flat roofs have little to no pitch the water would work itself underneath the shingles or tiles eventually rotting the substrate and.
Flat roof torch on systems.
A torch down roofing system is best for slightly pitched roofs between.
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 on roofing life expectancy may not be as long lasting as you may have expected.
Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.
Push the sheets as close together as possible.
Which roof situations are ideal for torch down roofing.
Smooth out any bubbles or creases.
Vegetative roof systems while not on the list in terms of market share another roofing system should be mentioned the vegetative or green roof.
Firestone building products manufactures traditional built up systems modified bitumen membrane systems hybrid built up and modified bitumen systems.
Torch down roofing is a type of roofing material that has been designed for low angle or flat roofs.
Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules.
Disadvantages of a flat roof.
Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.
If the roof is completely flat torch on roofing is not typically recommended.
Torch on roofing is a flat roof system which means it must be highly water resistant and durable.
No flat roof is 100 level but the slope isn t always noticeable.
If you know which way your roof slopes roll the sheets in the direction of the slope.
Make sure the sheets lay flat against the roof.
12 pitch where your goals are to have a durable and long lasting roof that stands up well to the elements especially snow.
However even with the most durable flat roof system you have to make sure to maintain and inspect your flat roof regularly.
Firestone asphalt roofing delivers exceptional performance on flat and low slope commercial roofs in even the most extreme climates and applications.
However a torch on roofing does have qualities that compensate its shorter life service.
Bur consists of many layers.
Flat roofs are more prone to pooling water and piling snow as well as built up debris.
A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel.
Systems designed for sloped roofs such as asphalt shingles and concrete or clay tiles are installed by overlapping one row on top of another these systems work cohesively with the pitch of the roof to shed rainwater and snow as it falls from the sky.