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.
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Can you nail down shingles?
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.
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Can you screw through shingles?
You cannot use screws for roofing shingles, only roofing nails are approved fasteners. Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak.
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What causes nails to pull 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.
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Can you put screws into shingles?
You cannot use screws for roofing shingles, only roofing nails are approved fasteners. Screws leave small gaps in the material they are driven into, and this may be enough to allow for a leak.
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Is it OK to nail into shingles?
When you nail-over your old shingles, most of the typical roof replacement process is left out. Nailing-over doesn’t require a tear-off, dump fees, underlayment installation, new flashing, or new decking. This allows for the labor and material costs to come down, making it cheaper than a full roof replacement.
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Can I drill in shingles?
When sealing drill holes in an asphalt-shingled roof, you should never use silicone sealant because silicone will not adhere properly to the asphalt base of the shingle. Roof patch tar or a product intended specifically for use on asphalt roofs should be used.
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Is it safe to screw into roof?
As mentioned, you should never place roof screws in areas where there is a risk of water pooling. If water pools, there will be greater pressure and a greater risk of leakage. This is why you should never drill screws into the floors of gutters and the floor of roof sheets.
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Should you be able to see nails in shingles?
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. The ensures that they are secure and unseen.
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Can you 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.
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What nails are best for shingles?
Galvanized roofing nails tend to resist rust formation, and they are a suitable option for asphalt shingles. Owens Corning requires using either galvanized steel, stainless steel, or aluminum nails to affix shingles….Nails can be made of:Aluminum.Copper.Stainless steel, or.Galvanized steel (zinc-coated)
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