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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.
Do shingles overhang the drip edge?
Asphalt 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.
How far should shingles hang over the gutter?
Most shingle manufacturers recommend a 1/4 to 3/8 inch overhang over your eave, which is where your roof ends by your gutter. In many cases, and particularly as home ages and settles, the roof edge at the eave edge can wave in and out by more than this amount.
How much should a starter overhang for shingles?
Whether installed at the eave or the rake, the starter shingles should overhang the edge of the roof by ¼ inch to ¾ inch. Typically, the finish shingles are then installed to align with the edge of the starters.
How many inches should drip edge overlap?
A drip edge shall be provided at eaves and rake edges of shingle roofs. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Drip edges shall extend not less than 1/4 inch (6.4 mm) below the roof sheathing and extend up back onto the roof deck not less than 2 inches (51 mm).
What size drip edge should I use?
Metal Edge Drip: A drip edge has to be resistant to possible corrosion and should be 36 gauge or larger.
How much should a roof overhang 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. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.
Should drip edge go over gutter?
It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. If gutters are installed below the drip edge, water can drip behind the gutter and cause damage to the wood supporting the gutter system.
Should drip edge extend into gutter?
Make sure the outer edge extends over the gutter. If it doesn’t, pull the drip edge out slightly from under the shingles. Secure the drip edge with roofing cement. If necessary, secure the ends of the drip edge with short roofing nails; just be sure they’re positioned high up under the shingles.
Does the drip edge go over the felt?
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.
What is roofing drip edge?
Drip edge is metal flashing installed at the edges of the roof to keep water away from your fascia and from getting underneath your roofing components. If your roof doesn’t have drip edge, water gets behind your gutters and rots out both your fascia board and roof decking.
How do you measure a roof for shingles?
How Many Roofing Shingles Do I Need? Measure the length and width of each plane on the roof (including dormers) then multiply length times width. Add the square footage of each of the planes together.
Where should drip edge be installed?
Drip edge is installed around the whole perimeter of the roof. It is used to hold the underlayments down and create a watertight seal around the edge of the roof. Only the face of the metal is seen and is usually just white one to one and half inch stripe located right under the shingles and above the fascia.
Does drip edge go over or under underlayment?
According to most building codes and manufacturer recommendations, the drip edge should be installed beneath the underlayment along the eaves of the roof. But over the underlayment along the rake edges of the roof. Understanding the proper way to install the drip edge will only get you so far.
How much should eaves overhang?
Overhangs can vary from a few inches to a few feet depending on preference; however, the suggested width of an overhang is between 12” and 18” for eaves and no more than 8” for rakes. That said, overhangs can extend as far as 2′ without the need for external supports.
How do you measure a roof overhang?
A roof overhang is measured from the building out to the end of the fascia board. Common measurements for a house overhang are 12 inches and 16 inches. On a shop or pole barn, the overhang is normally 18 inches.
How do you calculate eave overhang?
A method to calculate the correct overhang to provide the proper shading is to multiply the distance from the sill of the glass to the soffit by a factor based on the angles of the sun. There are different factors for each latitude because the sun is at different angles at each latitude.
How far below roof tiles should gutter be?
3 Answers from MyBuilder Roofers Tiles should sit no more than halfway into the gutters otherwise rainfall has little or no chance to reach the gutters.
How far should gutters extend past the roof edge?
The gutter should extend slightly past your roof’s shingles. 3/4 of your gutter’s width should stick beyond the shingles to catch all the water and lead it properly down the downspouts. The gutter should be between 2 and 3 inches away from the roof’s edge.
