2 Layer Torch Down Roofing

A two layer torch down roof consists of one base sheet and one smooth cap sheet.

2 layer torch down roofing.

A two layer system is made up of one base layer and one torch down layer. Cost can add up quickly especially if you re a novice and have never attempted a 3 layer torch down roof installation before. This membrane contains a core of nonwoven polyester mat that resists splits and tears. Thanks in advance for any info.

Gaf tri ply app smooth is a strong resilient membrane that is suitable for new or reroofing projects as well as for use as flashing. I am using iko tp 180 ff base modified bitumen membrane and the iko torhflex sbs for the final layer. The top membrane sheet to a torch down roofing system is a smooth cap sheet. There are two different types of torch down roofing systems.

Or do i nail down a layer of something to the new plywood first. When the two layers are pressed together they form a seal. The best solution for this existing torch down rubber roof is to install another layer on top of it fusing the 2 layers together. The image above shows part of the process for installing a 2 ply modified bitumen torch down rubber roof system over an existing tar and gravel roof.

Choosing a roofing company there are many roofing companies. Flat roof 2 layer torch down over 1 layer nail applied base sheet first layer torch applied smooth surface second layer torch applied gravel surface installed by california roofing ccl. Advantages of three layer torch down roofing. I would strongly recommend you hire a licensed and insured roofing contractor to perform the installation for you.

Have someone else nearby in case you need help. I am installing 2 layer torch on roofing on my new plywood carport. As it is rolled out the roofing professional will use a torch to heat the bottom of the cap to the top of the base sheet. In a two layer torch down roof the system is complete at this point.

My question is can i torch the iko base directly to new plywood. The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing. Climb up on a secure ladder with stabilizers that hook onto the roof s edge. 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.

Three layer systems have a base a smooth torch down layer and a torch down layer with a granular surface. 3 layer torch down roof total average cost per square foot 4 00 4 72 5 55. Any leftover debris can prevent the torch down roofing membrane from forming a waterproof seal so make sure you remove it all before working on the roof.