Best answer: What size roofing nails do I need?

Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. The length of each nail must be a minimum of 1¼ inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches.

What size roofing nails should you use?

Fastener Size

The International Building Code requires that roofing nails have a minimum 12-gauge shank and a 3/8-inch diameter head.

Can roofing nails be too long?

Yes, they can. If they are too long, they will protrude through the sheathing at the roof overhang and be visible. We call these “shiners.” If they are too long over the rest of the roof, it is unimportant, and they probably have marginally greater holding power.

How long is a standard roofing nail?

About 70% of roofs in the United States are made from asphalt shingles, and most roofing nail guidelines use the asphalt shingle as the standard. For attaching asphalt shingles to standard decking, nails can range in length from 1 inch to 2 inches. But some applications may require longer nails up to 6 inches long.

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What kind of nails do you use for roofing?

The standard, cheapest and most commonly used roofing nails are smooth shank nails. They are generally made of aluminum, stainless steel or copper, and they’re not as strong. The shank length you need depends on the roofing material.

Can I use 1 inch roofing nails?

If you’re using typical architectural shingles and 3/8-inch-thick sheathing, you’ll need 1‐inch nails. If your building codes require thicker sheathing, you’ll need 1 ¼-inch nails. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully.

Which is better roofing nails or staples?

Staple guns are smaller and better balanced. Coil nail guns are literally fed with a coil of nails, and the holder for the nails makes the gun much bulkier. Staples are far less prone to jamming up in a gun than nails. Staples cost less money.

Do you nail down roll roofing?

In most cases you can simply overlap the sheets at the ridge using roofing cement and nails for the final piece. However if the final piece does not come down at least 8 inches past the peak, cover the peak with a 16-inch-wide strip that is embedded in cement.

Is it better to hand nail shingles?

Some roofers believe hand-nailing shingles gives them more control over the process. They can use “feel” to determine if the nail is deep enough and in the right location. Since hand-nailing takes a bit more time, they have the chance to correct any mistakes on the spot. On the other hand, labor costs will be higher.

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Do roofing nails go through sheathing?

It is crucial that roofing nails of the correct length were used to secure the shingles. The sharp tip of the roofing nail should pass through and extend approximately 3/8-inch past the underside of the roof sheathing.

How far should a nail penetrate?

We should have used a 3/4-in. brad or at most a 1-in. 16-gauge nail on this miter. A good rule of thumb is to pick a nail long enough to go through the material you’re fastening and penetrate the underlying wood about 3/4 in. to 1 in.

Should roofing nails be exposed in attic?

Yes, and there are two types of nails that are normal to see in an attic: 1) The ring-shank nails used to secure asphalt shingles to the plywood or OSB roof sheathing typically penetrate into the attic 1/4” or more.

How many roofing nails are in a bundle?

Shingle manufacturers recommend using four nails per shingle in the main part of the roof and five nails per shingle in the first row. This amounts to an average of 320 nails per square, or 100 square feet. In high-wind areas, you need five nails per shingle, or 480 nails per square.

Can you use plastic cap nails for shingles?

For starters, the plastic cap will not seal on the granular surface of a shingle. So any water in the area would likely run under the cap and directly to the nail head were it may or may not leak. … They hold up better against rust, and they can also be used for asphalt shingles.

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Roofs and roofing