Roof Starter Course Vs Drip Edge

Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.

Roof starter course vs drip edge.

Securing the first shingle. Technical information about gaf pro start shingles. Why drip edge is a necessity. How to install a drip edge.

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. This is required on all golden pledge system warranties. Drip edge overhangs the sides of the roof and has a small metal flange that is bent away from the fascia board.

The best practice is to always install the drip edge so that it is inside the gutter. It should overhang the drip edge about 1 4 inch. Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter. 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.

The edge of the starter strip should hang over the eave and rake edge 3 4 in order to create a drip edge. 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. Because this is the starter course the second course will be. Utilized on low incline roofs l shape drip edges are situated on the roof deck and atop the fascia board.

The edges of a roof that receive the most moisture particularly those of irregular or steep sloped homes require the most protection and any shingles that extend beyond a certain point are going to eventually bend and fracture along the edges which means if the drip edge is missing or has been eliminated from an. 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. Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated. Drip edges are metal sheets usually shaped like an l installed at the edge of the roof.

If it doesn t pull the drip edge out slightly from under the shingles. Using four roofing nails or up to six in high wind areas secure the starter shingle to the surface of the roof. Secure the drip edge with roofing cement. Make sure the outer edge extends over the gutter.