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It involves the point of application in relation to the underlayment and/or eaves flashing. At the rake edge, the perimeter drip edge metal is applied over the underlayment with the appropriate fasteners secured every eight (8) to ten (10) inches on center.
What is a rake edge?
Simply put, a roof rake edge is installed to cover the top edge of the siding where it meets the roof. You can think of it as a type of awning that is designed to allow water to flow off the roof and down onto the ground below, instead of down the side of your home.
Is drip edge required on rakes?
A drip edge is required to be provided at the eaves and rakes of asphalt shingle roof systems. A drip edge’s flange should extend back onto the roof surface a minimum of 2 inches. Underlayment should be installed over a drip edge flange at eaves and under drip edge flanges at rakes.
When should you not use drip edge?
Just like normal drip edge, aluminum fascia and rake molding goes along the eaves and covers the edge of your roof’s deck to prevent water from going where it’s not supposed to. If your home has either one, you don’t need drip edge.
What is rake edge flashing?
Gable and Rake Flashings are used on two-slope roofs with a center peak to protect the roof wood and help provide a barrier that prevents water from penetrating the roof.
What is the difference between rake and eave?
Eaves—The lower edge of a roof (often overhanging beyond the edge of the house). Rake—The slanting edge of a gable roof at the end wall of the house. Ridge—The horizontal line at the top edge of two sloping roof planes.
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.
Does drip edge go under tar paper?
Does Drip Edge Go Over or Under Felt? 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.
Does gutter go under drip edge?
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.
Do all roofs need a drip edge?
The 2012 International Building Code (IBC) requires drip edges for that type of roof. Regardless of the kind of roof you have, we highly recommend installing drip edges. Keep in mind that improper installation of any roofing component can create gaps, rendering any waterproofing solution useless.
How far should shingles overhang the rake?
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.
Does a shed roof need drip edge?
Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. Though your home may not have originally had a drip edge installed, drip edges are now required by most building codes across North America to protect homes from damage.
What is a rake overhang?
The American Wood Council’s 2012 Wood Frame Construction Manual defines rake overhang as “The horizontal projection of the roof measured from the outside face of the gable endwall to the outside edge of the roof.” Section 2.1. 3.4.
Should you use drip edge touch 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.
What is the rake line of a roof?
Well, the rake of a roof is the exposed portion on the sides of a gable roof that extends from the eave to the ridge of the sloped sides. The rake of a roof covers the top edge of the roof. This is also an area of the roof where leaks can often occur.
Can you install new drip edge over old drip edge?
Replacing Drip Edge Eave Strips: Align one end of the lower eave strip even with the edge of the roof decking. Lift up roof shingles, and nail the eave strip in place with galvanized roofing nails. Overlap the other pieces of eave strip by at least 1” and nail them in place.
How far should shingles overhang 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.
What is the difference between drip edge and gutter apron?
The most obvious attribute that distinguishes a gutter apron from a drip edge is the fact that a gutter apron is more of an L-shaped metal rather than a T. A gutter apron also comes in metal strips with aluminum and steel sheets. Like drip edge, a gutter apron may be available in many different colors.
