Torch on roofing is a flat roof system which means it must be highly water resistant and durable.
Flat roof torch on felt instructions.
Flat roofs are more prone to pooling water and piling snow as well as built up debris.
There are key differences between constructing a flat roof compared to a pitched roof and it s important to understand the basic criteria.
Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie.
As it s laid down across the surface a hot torch creates a flame to mould.
Step by step guide for felting a flat roof.
Including fibreglass roof kits torch on felt and liquid rubber products everything you need for flat roofing is in one place.
Knowing the roof s size can help you get the correct flashing length.
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.
The first job of any roof system is to keep water out of the building structure and torch down roofing has excellent water resistant properties.
Follow the 10 steps below in order to felt a flat roof.
However even with the most durable flat roof system you have to make sure to maintain and inspect your flat roof regularly.
Provided the membrane and insulation are installed according to manufacturer application instructions the flat surface of a torch down roof prevents water from collecting and allows it to drain off.
Use the flashing to cover the outside edges of your roof.
The correct process for a built up torch on felt system should comprise of 3 layers one base layer manually fixed to the roof usually nailed followed by one torch on underlay with the top finished with a torch on mineral cap layer.
This guide will use the more durable 30 roofing felt although you can use 15 felt.
Written by larry bohan on 15 may 2018.
Roof felt adhesive e g.
If the roof s edges are longer than the flashing available for purchase you can connect separate pieces together.
Hi i will try to offer the best advice i can based on your description.
Bitumen in terms of materials please note that there are several different weights for the roofing felt.
What is torch on roofing felt.
A modern version of traditional felt roofing this is possibly the most commonly used on flat roofs.