Asphalt shingles should overhang the exterior edge of the drip edge by ¬º to ¬æ-inch. Check local building code for drip edge requirements prior to the start of your roofing project.
How much should drip edge overlap?
Nail high up on the drip edge so that the shingles will cover the nails. Ideally, you’d nail about every 12 inches, and in no circumstances should you have 16 inches or more between nails. When you place the next drip edge piece, it should overlap the first by an inch.
How much do you overlap shingles side by side?
There are two simple rules to follow: Each flashing should overlap the one below by at least 75 mm (3‚Ä≥), but not be visible below the shingle top lap. Imbed each step flashing in a 75 mm (3‚Ä≥) wide application of asphaltic plastic cement, and nail in place.
Do I need drip edge on all sides of roof?
In short, yes, it’s necessary to have drip edge installed on your roof. Without the installation of drip edge flashing on your roof, water could get behind the gutter and start running down your home. This would allow for moisture to collect on the fascia board causing it to rot.
How far should shingles extend beyond drip edge Related Questions
What is the proper placement of drip edge?
The correct placement of a roof drip edge is on top of the roof’s exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.
Does drip edge go over or under roofing paper?
It depends on where the drip edge is. At the side, or gabels, of a roof, the drip edge goes over the roofing felt. At the bottom of the roof, the drip edge goes under the roofing felt.
How many inches should the first row of shingles overhang the edge?
Do shingles have to overhang the drip edge? The shingles should be installed a minimum of 3/8 inch over the drip edge at both the eave edge and the rake edge.
How much should 3 tab shingles overlap?
Shingle Peaks and Hips When you reach a peak or hip, shingle all the way up the first side (until the reveal portion of the shingles is within 4 inches of the peak) and cut the 3-tab shingles just below the ridge. Shingle the other side and allow these pieces to overlap the ridge by no more than 4 inches.
Do shingles go over or under flashing?
Flashing should overlap the roof-covering material, but on asphalt shingle roofs, for aesthetic reasons, the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs.
Should drip edge be flush to fascia?
A metal drip edge will help protect the sheathing under the roof, but if it’s installed too closely to the fascia board, it can still cause water to be drawn into the fascia. The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger.
Is the drip edge on a roof supposed to be over the gutter?
It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. A drip edge refers to a component that hangs over the roof and has an outward projecting lower edge.
Should shingles be glued to drip edge?
Secure the drip edge with roofing cement. Apply a continuous bead of cement along the top of the drip edge, then press down on the shingle. If necessary, secure the ends of the drip edge with short roofing nails; just be sure they’re positioned high up under the shingles.
Should drip edge match the shingles or gutters?
Color Considerations Because drip edges, fascia and gutters are trim, they need to match each other rather than the color of the roof. You can paint a drip edge to match your trim. However, if you want to keep your trim a light color, then use white for your drip edge.
What happens if you don’t put a drip edge on a roof?
If your roof doesn’t have drip edge, water gets behind your gutters and rots out both your fascia board and roof decking. When getting a roof replacement, your drip edge must be replaced. Be aware, some roofing contractors leave it off your estimate to lower their prices to beat out the competition.
Should felt paper go under drip edge?
Installing roof drip edge flashing properly The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge. This lets any water that gets on the roof run down the underlayment and over the drip edge.
Should tar paper go under drip edge?
It protects the edges of the plywood and prevents water from seeping underneath the soffits, or underside of the overhanging roof, and staining or damaging the siding. The drip edge goes under the tar paper and the roof covering.
What nails do you use for drip edge?
The drip edge is nailed in place using 1-1/2 galvanized roofing nails. A felt-tip marker works great for marking cuts. And, again, prying open the end with a small flat bar allows the pieces to overlap cleanly.
What is a typical overhang on a roof?
Roof overhangs come in sizes that range from 0 to 24 inches. Homes in dry, desert-like climates may have minimal or no roof overhangs. Homes in milder areas have typical overhangs of 12-18 inches, while 18-24 inches if more common in wet or extreme climates.
How close can the seams be on shingles?
The minimum acceptable offset recommended by GAF and the Asphalt Roofing Manufacturers Association (ARMA) is 4‚Äù (102 mm) between joints on succeeding courses. The joint offset for a particular product may be greater than 4‚Äù (102 mm).
How far should roof hang over gutter?
How Far Should Gutters Be From the Roof Edge? 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.