Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie.
How to do flat roof using torch on.
This will help you get started and you will also learn some tricks.
Do not use silicone caulking.
Don ts for flat roof repair on a torch down.
Move the nozzle across the flashing to coat them in an even opaque layer of primer.
You will also find liquid primers.
The top membrane sheet to a torch down roofing system is a smooth cap sheet.
When the two layers are pressed together they form a seal.
Flat roofs are more prone to pooling water and piling snow as well as built up debris.
Do not use roofing cement or tar from home depot or a hardware store.
Make sure you choose something compatible with torch down roofing.
Do not smear tar all over every seam and likely place you thought it could leak from.
Tutorial on the proper torch application techniques.
Disadvantages of a flat roof.
In a two layer torch down roof the system is complete at this point.
Torch on roofing is a flat roof system which means it must be highly water resistant and durable.
Tutorial on the proper torch application techniques.
Watch this video if you want to learn how to use a propane torch on a flat roof.
Do not paint the roof with silver coating in the hope that it will seal the leaky area.
This video shows you how to use a torch and also tar to make a repair on a modified bitumen rubber flat roof.