The nails will look white because they re frosted.
Roofing shiner nails shingles.
Listed in alphabetical order.
Breaking it down further you ll typically use four fasteners per 3 tab shingle.
A shiner is a nail that missed the framing member.
My roof currently is 1 2 plywood with tar paper then shingles nailed on the inside side looks like a porcupine with all the shingle nails sticking thru that is a major reason i am going to 3 layers of plywood 1 1 2 thick and a metal roof wish i could get away with no nails in the plywood only screws that do not penetrate.
Sometimes you can spot this if you climb up into your attic on a cold night.
Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 3 mm shank with a minimum 3 8 inch diameter 9 5 mm head complying with astm f1667 of a length to penetrate through the roofing materials and not less than 3 4 inch 19 1 mm into the roof sheathing.
A countersunk nail will rip the shingle and a nail that is not completely nailed down will eventually work its way out.
A c d f g n o z asphalt.
When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure.
Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less.
To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves sidewalls and valleys etc.
Roofing terminology tknowing common roofing terminology will enable you as a homeowner to make an informed decision about roofing materials that are good matches for your home s style and the region in which you live.
Hole caused by low nail on this pipe boot the bottom nails are exposed but sealed.
If any of these isn t then the roofing nail can back out possibly causing a hole in the shingle.
Roofing nails are made of galvanized steel to protect them from the elements.
Be sure to check the manufacture installation instructions for proper nail size to use and how many nails are used to install each shingle.
Finish with a trowel by applying roof cement over the nails and each edge of the new shingle.
When installing roofing nails always make sure the nail is flush to the shingle.
It will also help you understand the contract with your roofing professional and the project updates.
For all owens corning shingles roofing nails should penetrate into the wood deck by a minimum of inch or completely through the roof deck by a minimum of 1 8 inch.
Moisture that escapes into the cold attic from the rooms below often condenses on cold nails.
General guidelines for nailing shingles.
When a nail is driven into wood to secure a shingle it must be long enough to attach to it and the wood must be thick and solid to hold the nails.
