How far should shingles overhang?


When installing drip edge flashing, the edge of the shingles should hang over the roof between an inch and an inch and a half — or between a half inch and three-quarters of an inch if no drip edge flashing is used. When there is too much overhang, the shingles may be blown off in heavy winds; when there is too little, water can leak into the rake or fascia boards.

In the same vein, how far should shingles overhang gutters be allowed to go?

Shingle overhang is a common problem that has to be addressed. Overhanging your eave, which is the point where your roof meets your gutter, is recommended by the majority of shingle manufacturers at 1/4 to 3/8 inch. When a house ages and settles, the roof edge at the eave edge may wave in and out by a significant amount more than this.

Furthermore, how can you make a shingles overhang longer than it already is?

 Purchase some aluminium drip edge to help you repair an overhang that is too short (aka drip-cap flashing). In most cases, it is offered in 8-foot lengths, and it may be cut using tin snips, poultry shears, or other similar tools. Slide the flashing’s broad, flat flange under the first course of shingles and adjust it so that it extends over the gutter. (See illustration.)

As a result, should shingles be allowed to extend over the drip edge?

Yes. It is recommended that shingles do not extend above the drip edge by more than 3/4″ (19 mm). It is not supported if shingles exceed the edge of the roof by more than 3/4″ (19 mm), at which point they are likely to fracture and break off. In addition, the wind resistance at the roof edge may be reduced as a result of this.

How far should the roof sheathing extend beyond the fascia?

It measures 45-3/4 inches in length. Using a tape measure, measure up the rafter 45-3/4 inch from where the truss tail was cut and draw a line along the trusses. There should be enough overhang here to allow for the installation of the fascia and subfascia, which will tuck neatly below the roof sheathing when the time comes.

There were 36 related questions and answers found.

Is it necessary to put tar paper beneath the drip edge?

The drip edge should be over the paper at the eaves and under the rake over the whole length of the roof. mroberson: It’s a SET-UP! Back in my building days, I learnt that you should position the tar paper on the eaves OVER the drip edge to ensure that any moisture that seeps through the shingles does not reach under the drip edge.

Do gutters extend all the way down to the drip edge?

It is simple to attach a thin strip of metal flashing beneath the drip edge and over the rear of the gutter, rather than removing and reinstalling your gutter. This will allow the water to shed into the gutter without having to remove and reinstall your gutter.

What is causing the water to flow behind my gutters?

Water Seeps Into the Gutter System This is most likely because the gutter was constructed without any flashing over the rear of the gutter, resulting in water trickling from behind your gutter. The gutter apron will keep the leaking to a minimum. Unbent section of flashing that is hidden beneath the shingles and above the gutter is known as a gutter apron or gutter skirt.

Is it important to have a drip-edge?

In the absence of a drip edge, water may collect under the shingles and cause significant structural damage to the house. Drip margins, which are now required by most construction regulations throughout North America to safeguard houses from damage, may not have been put on your home when it was first built.

Can drip edge be installed after shingles have been installed?

Although the drip edge is often updated when new shingles are put, it may be replaced at any time. Because asphalt roof shingles may become brittle in cold weather, wait until a day that is warm (but not hot) before removing and replacing eave stripping.

Is it more common for flashing to be placed above or below shingles?

The same is true regardless of the kind of roof covering material that is used. Even though flashing should be installed such that it overlaps the roof covering material, on asphalt shingle roofs, the area of the headwall flashing that reaches down over asphalt shingles is typically concealed by an additional course of asphalt shingle tabs for purely cosmetic reasons.

Using drip edge touch fascia is recommended.

Ideally, a piece of 12 furring strip should be put over the drip edge so that it can be seen from below the fascia or rafter tails. As a result of surface tension, water will flow right up against the fascia and beneath the soffit if the drip edge is installed right up against the fascia or rafters.

Which is better: having the drip edge over or beneath the felt?

There is just one answer to this question: Where the drip edge is located is critical. The drip edge of a roof extends over the roofing felt on the sides, or gables, of a building. The drip edge is hidden behind the roofing felt at the bottom of the roof.

Is it better to have the drip edge go over or beneath the subfloor?

The most effective method is to put the drip edge solely along the eaves at first, and later to cover the drip edge with ice-and-water barrier (in the snowbelt) or felt paper (underlayment). This allows any water that accumulates on the roof to drain down the underlayment and over the drip edge of the eaves.

When rebuilding a roof, is it necessary to replace the drip edge?

It is installed on the roof deck prior to the application of the roofing felt and is available in 10-foot strips. Make sure to repair any worn or cracked drip edges if they are not in like-new shape.

When it comes to drip edges and rake edges, what is the difference between the two terms.

Typically, the drip edge and rake edge are the first components of the roofing system to be installed. At your eaves trough sections, drip edge will be installed; in your gable ends, the rake edge will be installed. Some providers simply refer to them as drip edge, despite the fact that they seem to be fairly identical to one another.

With metal roofing, do you need a drip edge?

Drip edge is a metal flashing that is inserted at the margins of a roof to aid in the regulation of the flow of water away from the fascia and to protect the roofing components underneath it. Your roof will look excellent while being structurally strong since it is neither corrosive or staining. 

In what amount of drip edge do I require?

drip edges with at least a 4-inch roof leg along the eaves edge and a 2-inch roof leg along the rakes are what I like to use most of the time. Fascia and rake legs must extend 1/4 inch below the roof sheathing, although the Fortified Home guidelines recommend 1/2 inch below the roof sheathing. Nonetheless, I like to employ drip edge with a minimum of a 1-inch fascia/rake leg on my projects.