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Exterior Inspections Contains discussions about the exterior portion of a home inspection. This includes roofs, gutters, downspouts, decks, patios, windows, etc.

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  #1  
Old 12/30/08, 2:34 PM
Buck Hartley, CMI's Avatar
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Default Size of Roofing Nail???

This was found at today's inspection, this is the size of roofing nail found used to nail down the shingles.

Thank you, for you input in advance. I will show you the roof later.

Last edited by bhartley; 10/28/13 at 12:30 PM..
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  #2  
Old 12/30/08, 3:08 PM
Michael R. Boyett's Avatar
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Default Re: Size of Roofing Nail???

....
Quote:
Fasteners for asphalt shingles shall be galvanized steel, stainless steel,
aluminum or copper roofing nails, minimum 12 gage [0.105 inch (2.67 mm)]
shank with a minimum 3/8 inch (9.5 mm.) diameter head, ASTM F 1667, of a
length to penetrate through the roofing materials and a minimum of 3/4 inch (19.1
mm) into the roof sheathing. Where the roof sheathing is less than 3/4 inch (19.1
mm) thick, the fasteners shall penetrate through the sheathing. Fasteners must
comply with ASTM F 1667. Staples are not permitted for shingle application
unless specifically noted in the manufacturer's installation instructions on the
shingle package. Use 4 nails for standard installations, 6 for steep slope or high
wind areas.



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  #3  
Old 12/30/08, 6:05 PM
Buck Hartley, CMI's Avatar
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Default Re: Size of Roofing Nail???

Mike,

The nails never penetrated the sheathing.
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  #4  
Old 12/30/08, 6:34 PM
Mitch Harris Mitch Harris is offline
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Default Re: Size of Roofing Nail???

Buck,

I've seen the short nails used when shingling over an open eave where the bottom of the roof deck shows from below, on the exterior they seemed to hold fine, the rest of the roof was done with 1 1/2" nails.
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Old 12/30/08, 6:54 PM
Buck Hartley, CMI's Avatar
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Default Re: Size of Roofing Nail???

Would you say this roof was nailed correctly?

Last edited by bhartley; 10/28/13 at 12:30 PM..
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  #6  
Old 12/30/08, 7:23 PM
Carl A. Brown's Avatar
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Default Re: Size of Roofing Nail???

What part of town did you find that one in Buck?


How old is it?

Is it a re-roof?




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  #7  
Old 12/30/08, 7:50 PM
Buck Hartley, CMI's Avatar
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Default Re: Size of Roofing Nail???

Carl,

It is in a rural area, new roof 4 years ago. The big storm Friday night did not help anything.
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  #8  
Old 12/30/08, 7:54 PM
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Default Re: Size of Roofing Nail???

Those winds were something else.




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  #9  
Old 12/30/08, 7:59 PM
Barry Adair's Avatar
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Default Re: Size of Roofing Nail???

Quote:
Originally Posted by bhartley View Post
Carl,

It is in a rural area, new roof 4 years ago. The big storm Friday night did not help anything.
helped identify shoddy work and earned you a check, see the last part of my signature



badair

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  #10  
Old 12/30/08, 8:04 PM
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Default Re: Size of Roofing Nail???

Were those tabs installed properly? It looks like the top layer was brought down on the bottom layer just barely enough to touch the glue strip.


Jeff



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  #11  
Old 12/30/08, 8:09 PM
Carl A. Brown's Avatar
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Default Re: Size of Roofing Nail???

And they probably set their nails too deep with the coil nailer. It looked like the wire was on the nail picture that Buck posted.




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  #12  
Old 12/30/08, 8:19 PM
Jeffrey R. Wicklander's Avatar
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Default Re: Size of Roofing Nail???

Quote:
Originally Posted by cbrown1 View Post
And they probably set their nails too deep with the coil nailer. It looked like the wire was on the nail picture that Buck posted.

I think that was just residue from the fiberglass.



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  #13  
Old 12/30/08, 8:32 PM
Barry Adair's Avatar
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Default Re: Size of Roofing Nail???

Quote:
Originally Posted by cbrown1 View Post
And they probably set their nails too deep with the coil nailer. It looked like the wire was on the nail picture that Buck posted.
bingo! dead-eye



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  #14  
Old 12/30/08, 8:46 PM
Jeffrey R. Wicklander's Avatar
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Default Re: Size of Roofing Nail???

aaahh, I see it now after a closer look.

Jeff



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  #15  
Old 12/31/08, 7:02 PM
Carl A. Brown's Avatar
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Default Re: Size of Roofing Nail???

So it is true what they say!

Size and penetration does matter!!




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