Sloped Roof Edge Detail Drip Edge

Metal drip edge at the roof edge is difficult to seal against water intrusion.

Sloped roof edge detail drip edge.

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. 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 metal expands and contracts and puts a stress on any sealant you may apply at lap joints. The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material.

The fastening holes are slotted to allow for thermal movement of the materials and ensure correct fastener placement and spacing. On a drip edge situation choose a detail where the membrane runs over the edge and down the fascia. Any minor leaks between metal pieces are handled by the first layer of membrane. While the vertical leg should be placed 1 4 1 2 away from the fascia.

Layers of rubberized asphalt cover the roof sheathing and the seams are. Provided in 12 0 lengths with pre punched holes for quicker installation and lower labor costs. In all cases it is important to properly detail and install the edge conditions. Firestone has a good published detail for this situation.

How to seal drip edges on a torch down roof. The secure lock drip edge is the most applied edge metal in the industry to protect low slope roof applications. 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. 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.

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. The installed cost rivals even light gauge roof edge systems fabricated locally or in a roofer s shop. Our drip edge is tested to meet ansi spri es 1 standards.