You need to gently pry up the overlapping cap shingle next to the cap you want to replace.
Nails at top of roof shingles show.
If you are putting a layer of asphalt shingles over an existing layer of asphalt shingles on to a 3 4 inch deck or a plank deck then you should be using 1 1 2 inch nails.
Make sure none of the nails are within 2 of joint of shingle.
Slide the pry bar under the nail head and gently pry the.
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Long time roofing experts suggest 5 to 6 nails per shingle.
Roof nail pops on a roof can be caused by a variety of reasons.
If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice.
Other causes of roof nail pops can be shingles that were not nailed tightly during the roof installation.
Use the grip rite 11 x 1 1 4 in.
Nail is backing out of decking and pushing through the shingle causing a penetration point for moisture.
Thursday july 19 2018 a popped nail looks like a wrinkle in a line of shingles when you look up the roof as in the photo above that has them at multiple locations.
Some cap vents require.
So your next course of shingles should cover the nails by 1 inch vertically.
Do not insert nails into or above the sealing strip.
Nails are placed along the protruding flanges roughly every 6 inches.
Then secure another nail an inch above each cutout.
Back about 1 inch you ll see a roofing nail.
Some roofers call the defect a fish mouth.
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Hammer one nail about 2 inches from each end of a shingle.
Place the nails 6 1 8 above the butt edge 1 and 13 from each end from each cutout.
Roof cap vents cap vents are commonly placed over the peak to provide passive ventilation for the attic.
During climate changes expansion and contraction can cause to the nail to pop up.
For shingles in windy areas use 6 nails per shingle.
Be mindful of the proper nailing technique so that your nails always hold the top edge of the course beneath it.
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When this happens the roof shingles become loose and start to lift.