How do you line up shingles on a roof?

Quote from the video:
Quote from Youtube video: Same color as what you're using for your main shingles. Take the shingle normally. This is how it would be on the roof. Turn it half a turn this way use this as your starter strip.

Are roof shingles supposed to lay flat?





Often, shingles will conform to the shape of whatever is underneath them, and if the surface isn’t completely flat, this could lead to bumps and dips in the shingles. Fortunately, most shingles will correct themselves with warmth and time.

How do you line up architectural shingles?

Quote from the video:
Quote from Youtube video: Rate apply a full-length shingle adjacent to each of the first five courses to extend the pattern loosely butting factory edge to factory edge to maintain a straight layout.

How much should shingles overhang?

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 you offset shingles?

offset provides the best all-around protection. Both the cutouts and the butt joints align only every eight courses, so runoff is less likely to cut channels into the shingle granules. It also hides shingle irregularities as well.

How much should shingles be staggered?





six to 15 inches

With laminated shingles, the stagger ranges from six to 15 inches, depending on the type of shingle and the shingle manufacturer’s instructions. In a few cases, manufacturers may allow four inches, but that is not common.

Should a new roof look wavy?

It is not uncommon for a new roof to look a bit wavy until this permanent seal is created. This is normally not a problem unless you experience windy conditions that can catch the shingles. Applying a temporary adhesive will do the trick.

Why do my new shingles look wavy?

New shingles are not aligned accurately.



A bad measurement, improperly sized shingle, or low quality roof can simply result in an uneven and wavy appearance, which essentially means you got a raw deal. This is why working with trusted professionals is so important, and why the lowest quote doesn’t always mean the best!

How should new shingles look?



Before new shingles seal down, they can look a little lumpy and uneven, but once the roof gets hot enough, they should soften, flatten and form a permanent seal. Sometimes this problem is more apparent on north-facing roof slopes that don’t heat up sufficiently for the shingles to seal until summer.

How do you fix a incorrect shingle overhang?

To fix an overhang that’s too short, buy some aluminum drip edge (aka drip-cap flashing). It’s typically sold in 8-ft. lengths, and can be cut with tin snips or even poultry shears. Slide the wide, flat flange of the flashing under the first course of shingles and adjust it to extend over the gutter.

How do you trim shingles overhang?

Quote from the video:
Quote from Youtube video: So the best bet doing this is with a straight blade like a metal framing square and so when we first start doing this we're going to lift it up slightly.

Why do shingles overhang drip edge?



Quote from the video:
Quote from Youtube video: Just a little bit of flow. You.

Should drip edge be tight to fascia?

A vertical drip edge lip extends down roughly 1 5/8″ and as Steve points out, should not be set tight against the fascia board or water may run behind the gutter and down the fascia, inviting leaks and rot.

Are drip edges necessary?

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.

Do shingle manufacturers require drip edge?

8.3. 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.

How far should shingles hangover drip edge?



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.

Should a roof have 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.

Do shingle roofs need a drip edge?

The building code that requires drip edge



According to code R905. 2.8. 5 of the 2018 IRC: a drip edge shall be provided at eaves and gables of shingle roofs. This code means that drip edge must be installed on the edges of your roof.

Does ice and water Shield go under drip edge?

Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave. (The drip edge will be installed over the ice and water protector and other underlayments at roof rake edges.)

Does drip edge go around entire roof?



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.