What is torch on roofing felt torch on roofing or torch down roofing as it is also known is a flat roof covering solution that involves three layers of modified bitumen felt melt welded onto the roof surface and each other with the use of a blowtorch to create an impenetrable waterproof seal.
Torch on felt flat roof repair.
Torch down roofing consists of modified bitumen which is similar to asphalt.
Disadvantages of torch down roofing.
In the event of damage repairs can be made by torching a new piece of felt directly on top of the broken area.
Torch on roofing is a flat roof system which means it must be highly water resistant and durable.
Though easy enough to complete it can leave the roof looking patchy.
There are also liquid systems for felt roofs unfortunately the old felt you cover over may not be in good enough condition to take it or for small domestic properties they often work out more expensive than.
If a torch down roofing system needs repair it s a relatively simple process.
This video shows you how to use a torch and also tar to make a repair on a modified bitumen rubber flat roof.
Apply the bitumen by melting it over fiberglass mesh with a propane torch.
Patches of modified bitumen membrane may be added to the rip gap or broken seam.
Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie.
However even with the most durable flat roof system you have to make sure to maintain and inspect your flat roof regularly.
Diy temporary flat roof repair for felt roofs this is often a paint on fix from a tin like the repair videos at the top of the page.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.