3 Layer Torch Down Roof

Tri ply 75 base sheet is a premium roofing base sheet constructed with a fiberglass mat reinforcing that is coated on both sides to ensure a closed sheet design to prevent asphalt bleed through.

3 layer torch down roof. If installing a three layer torch down roof the contractor will install a third layer with a granulated surface in the same way. This membrane contains a core of nonwoven polyester mat that resists splits and tears. Advantages of three layer torch down roofing. What is torch on roofing felt.

Firstly torch down roof coatings are resistant to leaks. Modified bitumentorch down is by far the most durable roofing material. Have someone else nearby in case you need help. The sealed sheet also serves as an effective flame retarder for the application of torch applied modified bitumen membranes.

In a two layer torch down roof the system is complete at this point. Reduce total project cost by having multiple vendors bid on the same detailed work specification of your 3 layer torch down roof project. When the two layers are pressed together they form a seal. Written by larry bohan on 15 may 2018.

Stay safe while on the roof. I would strongly recommend you hire a licensed and insured roofing contractor to perform the installation for you. Designed for torch down roof application by pro roof contractors 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. If installing a two layer torch down roof this is the final layer of rolled roofing material the contractor will apply.

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. 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. The top membrane sheet to a torch down roofing system is a smooth cap sheet. Two layer systems tend to last approximately 15 years while three layer torch down roofing can last 20 years or longer.

There are several advantages to having a three layer torch down roofing system installed. 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. 3 layer torch down roof total average cost per square foot 4 00 4 72 5 55. Cost can add up quickly especially if you re a novice and have never attempted a 3 layer torch down roof installation before.

After applying the rolled roofing the process is almost complete. Climb up on a secure ladder with stabilizers that hook onto the roof s edge. Once a single ply torch down is coupled with a second layer modified bitumen membrane it becomes a two ply system that surpasses the quality and standards of all other roofing systems.