Drip edge is installed around the whole perimeter of the roof.
Shingle roof drip edge detail.
Edge grip extruded detail.
In all cases it is important to properly detail and install the edge conditions.
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.
It is used to hold the underlayments down and create a watertight seal around the edge of the roof.
In some locations it is acceptable for the roof shingles to line up with the drip edge.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Non compatible wall air barrier tie in mechanically attached roof.
However when permitted it is best to have the roof shingles hang over the drip edge by a minimum of 1 4 and a maximum of 3 4.
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.
When you install the drip edge over this strip it keeps the lower flange further from the home s siding which helps to keep water further from the home.
Typical roofing details autocad files.
A furring edge is a strip of one by two wood you install on the vertical surface of the house just beneath the roof s edge.
Detail drawing dwg.
Drip edge at eaves shall be permitted to be installed either over or under the underlayment.
Place the drip edge down aligning it so water will drip into the gutters.
Detail drawing pdf pdf 220 kb.
Install drip edges on the eaves first.
Dealing with dips and making clean overlaps metal drip edge flashing is installed on the perimeter of a roof to direct water away from the fascia into the gutters and to keep wind blown rain videos roofing wrb flashing drip edge installation on an existing roof.
The drip edge also gives us a nice straight edge with which to align roof shingles slates or other roofing material.
Detail drawing pdf pdf 207 kb.
Moisture accumulation with moisture accumulation being a factor with shingle deterioration it is important to locate the drip metal edging where the moisture can be quickly eliminated which is at the eaves or edges of the roof that overhang a supporting structure.
