how to install the starter course of shingles how much overhand

How much should a starter shingle overhang the drip edge?

• Making sure the seal strip is toward the eave, carefully align Shingle Starter, remove the release film and press Shingle . Starter in place (Figure 1) • When going from one roll to another, overlap 6 inches. • Install the first course of shingles over Shingle Starter, nail and trim shingle overhang (Figure 2) CAUTION

How do you install starter shingles on a roof?

Multiply the width and length measurements together to determine the area. Add the areas of each section together. Divide that number by 100 to get the correct number of squares. Lastly, multiply this number by 3 to determine how many bundles are needed. Add approximately 10 to 20 percent for overage and waste. 3 Put Safety First

What size starter do I need for 6 inch shingles?

Starter Course: Use an Owens Corning® Starter product. Trim 6 1/2 inches off the rake of the starter course shingle and overhang the drip edge along the rake and eaves edge, 1/4 to 3/4 inch, and continue across the roof. Use 5 fasteners for each shingle, placed 2 to 3 inches up from eaves edge. See Fig. 5. If no drip edge is used, shingles

What is a starter course on a roof?

Figure 12-6: Make starter shingles that are 75⁄8" in height. 2. For the first starter, cut 6" from one side of the starter shingle. 3. Apply the remaining piece to the lower left corner of the roof. Make sure there is 1⁄2" overhanging the rakes and eaves if drip edge is being used. If you are not using drip edge, make the overhang 3⁄4". 4.

How much should a starter overhang for shingles?

Starter shingles should always overhang the eave and rake edges of the roof by about 1/4"-3/4" to ensure adequate rain water drainage. It is also important that the seal strip is placed facing up and close to the edge of your roof; otherwise, your roofing system won't seal properly.Sep 1, 2017

How far should starter shingles overhang drip edge?

¼ to ¾-inchAsphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.Sep 20, 2017

Should starter shingles overhang drip edge?

Yes. Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off. In addition, the wind resistance at the roof edge may be compromised.

Does starter strip overhang drip edge?

After installing drip-edge along the eaves, double the first course of shingles or, as shown, install a starter strip. The lower edge of the starter strip overhangs the drip-edge by 1⁄4 in. to 3⁄4 in. —or even 1 in. if bowing eaves or rake boards require it.

What is the proper overhang for roof shingles?

The edge of the shingles should hang over a roof between an inch and an inch and a half — or between a half inch and three-quarters of an inch if drip edge flashing is installed. Too much overhang and the shingles could blow off in high winds; too little can allow water to seep into rake or fascia boards.

How much overhang should a roof have?

Two feet is the general maximum length for a typical roof overhang. This will protect a roof from most types of damage. Roof overhangs can extend farther than 2 feet, but beyond this length, they begin to lose structural integrity and require external support.

How much should a gutter overhang?

The gutter should be installed as close to the shingles as possible; no more than 2 or 3 inches. If the gutter distance is more than 3 inches, the rain will run off the roof and won't drain properly.Mar 29, 2022

How much drip edge do I need?

Drip edge shall extend a minimum of a ¼ of an inch below roof decking and extend up a minimum of 2 inches. Underlayment must be installed over the drip edge along the eaves and under the underlayment on gables.Jun 18, 2021

Where do you put the starter on a shingle roof?

Starter shingle should be installed around ALL edges of your roof. To meet code, technically it only needs to be installed on the bottom eaves, but there are some big benefits to installing it up the rake edges as well (also known as gable edges).Apr 14, 2015

How many square feet are in a bundle of shingles?

33.3 sq. ft.Calculating the number of bundles, you need is simple if you are using shingles that come three bundles to a square. Each bundle covers 33.3 sq. ft. of roof area—which is close enough to the 32 sq.