Torch down roofing is installed on many homes with flat and low sloped roofs.
Sloped roof edge detail drip edge.
While the vertical leg should be placed 1 4 1 2 away from the fascia.
Membrane recommendations for these roof systems for various slopes.
Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth.
How to seal drip edges on a torch down roof.
Provided in 12 0 lengths with pre punched holes for quicker installation and lower labor costs.
The metal expands and contracts and puts a stress on any sealant you may apply at lap joints.
The edge metal is applied over the membrane and flashing tape is applied on top.
To install a drip edge on a newly constructed roof or on a re roofing job attach the drip edge along the roof s eaves first.
Layers of rubberized asphalt cover the roof sheathing and the seams are.
Metal drip edge at the roof edge is difficult to seal against water intrusion.
On a drip edge situation choose a detail where the membrane runs over the edge and down the fascia.
The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material.
The roof leg should extend a minimum of 2 back onto the roof sheathing.
Just cutting a taper of 3 8 inch to nothing over 8 inches or 1 2 inch to nothing over a foot is enough to keep all those outside layers below the level of the main roof.
Firestone has a good published detail for this situation.
The installed cost rivals even light gauge roof edge systems fabricated locally or in a roofer s shop.
The secure lock drip edge is the most applied edge metal in the industry to protect low slope roof applications.
Always try to carry membrane felts over or up and over and down to ensure the roof membrane will always drain free and clear of any adjacent system.
The fastening holes are slotted to allow for thermal movement of the materials and ensure correct fastener placement and spacing.
In all cases it is important to properly detail and install the edge conditions.