Sloped Roof Edge Detail Drip Edge

How to seal drip edges on a torch down roof.

Sloped roof edge detail drip edge.

Firestone has a good published detail for this situation. In all cases it is important to properly detail and install the edge conditions. The edge metal is applied over the membrane and flashing tape is applied on top. Layers of rubberized asphalt cover the roof sheathing and the seams are.

Any minor leaks between metal pieces are handled by the first layer of membrane. 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. Metal drip edge at the roof edge is difficult to seal against water intrusion.

Membrane recommendations for these roof systems for various slopes. The installed cost rivals even light gauge roof edge systems fabricated locally or in a roofer s shop. While the vertical leg should be placed 1 4 1 2 away from the fascia. The fastening holes are slotted to allow for thermal movement of the materials and ensure correct fastener placement and spacing.

A drip edge overlapping strategy that won t catch the eye because edge metal is almost always shorter than your roof eaves and rakes you pretty much always need more than one piece per run. The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material. Torch down roofing is installed on many homes with flat and low sloped roofs. 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.

Our drip edge is tested to meet ansi spri es 1 standards. 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. On a drip edge situation choose a detail where the membrane runs over the edge and down the fascia. The metal expands and contracts and puts a stress on any sealant you may apply at lap joints.