Roof Starter Course Vs Drip Edge

Install the starter course normally a 3 tab shingle installed upside down or a solid asphalt strip so that its low edge is parallel to the drip edge and extends no more than 1 4 past the drip edge itself.
Roof starter course vs drip edge. It should overhang the drip edge about 1 4 inch. Using four roofing nails or up to six in high wind areas secure the starter shingle to the surface of the roof. Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated. Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.
How to install a drip edge. Drip edges are metal sheets usually shaped like an l installed at the edge of the roof. Lay the first shingle on the roof with the adhesive section at the bottom of the roof. Make sure the outer edge extends over the gutter.
The best practice is to always install the drip edge so that it is inside the gutter. This is required on all golden pledge system warranties. Applied with metal and standing seam roofing an open hemmed drip edge will deter water from going upward as a result of capillary action and passing the drip edge metal. Generally they want it installed so that the drip edge must go over the underlayment and then be cemented to the shingle s starter course and or tar paper.
Securing the first shingle. Technical information about gaf pro start shingles. Wha drip edge is a metal flashing that is installed at the edges of the roof to help control the flow of water away from the fascia and to protect the underlying roofing components. Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia board.
Starter shingles are the initial shingle products installed on the roof just before the first course of the finish shingles which will comprise the visible parts of the roof. Since the starter shingles will be covered by the roof shingles it doesn t matter what color they are except in special situations see below. Utilized on low incline roofs l shape drip edges are situated on the roof deck and atop the fascia board. If it doesn t pull the drip edge out slightly from under the shingles.
The edge of the starter strip should hang over the eave and rake edge 3 4 in order to create a drip edge. Why drip edge is a necessity. Utilize 4 nails per shingle for proper wind rating. Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.