Is it OK to nail through shingles?

So, you want to know Is it OK to nail through shingles?

If you drive even one nail into the top of your roof, you may compromise its entire system. That one nail will puncture the shingles and underlayment of your roof, creating a hole through the whole system. When it rains, water can enter the hole, bypass every layer of security on your roof and trickle into your attic.

Do you nail above or below tar strip on shingles?

Because the thickness, weight, and shape of shingles vary, manufacturer’s instructions vary slightly. But virtually all manufacturers agree that nails should be installed below the adhesive strip.

What happens if you nail shingles too high?

When the shingle is nailed too high the nail does not penetrate the shingle below it. High nailed roofs are easily blown off in windy or stormy conditions because the roof isn’t ‚Äúconnected‚Äù like it should be. Inadequate nailing means big reduction in wind rating.

What do you nail shingles down with?

NAILING: Use galvanized (zinc coated) roofing nails, 11 or 12 gauge, with at least 3/8″ diameter heads, long enough to penetrate through plywood or 3/4″ into boards. Use 4 nails per shingle placed 6-1/8″ above the butt edge, 1″ and 13″ in from each end and 1/2″ above each cutout.

Is it OK to nail through shingles Related Questions

Do you nail shingles on drip edge?

Nail the drip edge to the roof deck with minimum 12-gage roofing nails spaced 8 to 10-inches on center and 1-½ to 3-inches from the edge of the sheathing. Adjacent drip edge pieces should be lapped minimum 2 inches. Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch.

What causes roofing nails to pop through shingles?

When the temperature changes, expansion and contraction can cause the nails to pop up and lift the shingles. You should also make sure your roof is adequately ventilated. Other causes of nail pops can be that the shingles were not nailed tightly when the roof was installed.

Are you supposed to remove the plastic strip on shingles?

Once shingles are installed, the cellophane strips no longer align with the adhesive, and the cellophane does not have to be removed. In fact, it should not be removed because it often carries printed information about the shingles.

How far should roofing nails penetrate?

Nails should be long enough to penetrate 3/4 of an inch into a roof deck; if a roof deck is less than 3/4 of an inch, nails should be long enough to penetrate and extend at least 1/8 of an inch through the roof deck.

How many rolls of nails per square of shingles?

Generally, you should use four nails per shingle. For regular three-tab shingles, this would require 320 nails per square. For high wind areas or when shingles are being applied to a mansard, six nails per shingle are required (480 nails per square).

Can roofing nails be too long?

Can Roofing Nails Be Too Long? A nail that is 3-inches (or longer) could poke through the decking and protrude through the attic ceiling.

How far should shingles hang over the edge?

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.

Can anything make shingles worse?

If your shingles rash has not yet scabbed over, you may need to avoid activities that put you in contact with others. Some activities, including intense exercise, may make shingles pain worse. Shingles can trigger pain, itching, and a lot of discomfort.

Can you pressure shingles?

Never, ever under any circumstances pressure wash your roof shingles on your own or pay a company to do so. Sure, it’s tempting to want to get any moss, algae, dirt, etc. off of your roofing shingles. But pressure washing your asphalt roof will do more harm than good.

What is the white line on shingles?

GAF shingles are designed with a white chalk guideline, which is used as a guide for the next row of shingles. The exposed area of the shingles below should be 5 ⅝”. This ensures appropriate coverage, adhesion and water-tightness. Make sure the bottom of the pre-cut shingle is flush with the white chalk line.

Do you need 4 or 6 nails per shingle?

A four-nail fastening pattern per shingle is required to take advantage of the maximum wind warranty available on Owens Corning® Duration® shingles. Six nails are required for structures with slopes exceeding 60 degrees or 21 inches per foot. In some areas of the country, building codes may require six nails as well.

Should you see nails on shingle roof?

Ideally, you should never see the nails on your roof. Properly installed nails should be flush to the shingle they are inserted into and covered by the shingle above them. This ensures that they are secure and unseen.

How many nails do you put in drip edge?

Nail high up on the drip edge so that the shingles will cover the nails. Ideally, you’d nail about every 12 inches, and in no circumstances should you have 16 inches or more between nails. When you place the next drip edge piece, it should overlap the first by an inch.

How do you seal shingles to drip edge?

Secure the drip edge with roofing cement. Apply a continuous bead of cement along the top of the drip edge, then press down on the shingle. If necessary, secure the ends of the drip edge with short roofing nails; just be sure they’re positioned high up under the shingles.

Do you caulk under drip edge?

Don’t caulk the seam where the siding meets the drip cap. If water gets behind the siding, this seam opening allows drainage. It’s important that a drip cap slopes down and out away from the house.

Why won’t my shingles lay down?

If the existing shingles do not lay flat, then your new layer won’t lay flat either. That’s because shingles are designed to conform to the surface beneath them. This can also prevent the new shingles from properly adhering to the existing roof layer, leaving bumps and bulges in your roof.

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