That isn’t uncommon, some wind mits I do the roofer must have done a good job. I normally find shiners near the roof to wall connection. Seems like they start up top and do good and get to the end and “miss” “miss” “miss” in my opinion. Not all roofs are alike. But this is normally where I find them when I don’t see them in the mid attic area.
lol… you’re just asking for trouble with that final comment…hahaha.
Bert
For clarification only: 2010 Florida Building Code, Existing Building 611.1.1 calls for replacement only if “the current roofing system does not meet the requirements of the current code”. Also, it’s not just total roof area but “roof section”. Roof Section is defined in the definitions section of the Existing Building Code, if 25% of a “roof section” is being repaired/replaced then the entire section must be brought up to the current code IF it already doesn’t meet that requirement. If in that case the roof section being repaired/replaced totaled 25% of the total roof area, then the entire roofing system would be required to be replaced…but, only if it didn’t meet current code requirements.
Thanks for sharing 
Robert,
I brought that up as a response to the roof Bert was talking about. More often than not, the remainder of the roof is not in compliance.
We are on the same page Eric 
Dooohhhh you are correct and got me on that one.
BUT ONLY WHEN I AM CERTAIN.
Hey I can take the “Good Nature” ribbing and I have busted his balls with that one as he invented it so I deserved it and I do MAKE IT WORK on that item when certain.
Lol Mike!
I need some clarification. When I google nail size charts the 6d and 8d nail the lengths are often the same length. But the listed diameter is always the same. 6d diameter .113 of an inch and 8d is .131 of an inch. Should I be using a nail gauge to determine the “size” of nail for the 1802. Example : a nail thru the roof deck appears to be a total of 2 and 3/8 inches. 7/64 is smaller than .113 of an inch using my math… With these numbers a 6d would be tight or not fit in the 7/64. And a 8d nail would fit in the 9/64 hole. An agent tells me 2 3/8 inch nail is an 8d. The nail was loose in the 7/64. So my question is what is correct way to determine nail “size” using legth or diameter? thank you in advance
Go by total length of the nail with roof decking thickness figured in. That is the accepted way. Different shank sizes has more to do with the type of nail…common, box, sinker, spiral, etc. The 8d’s will usually have a thicker shank than a 6d, but not always. You will see the difference easily with more experience.
The qualification for an 8D nails are listed in the 2010 Florida Building Code, Existing Building: 611.7.1.2 Supplemental fasteners as required by Table 611.7.1.2 shall be 8d ring shank nails with round heads and the following minimum dimensions:
- 0.113-inch nominal shank diameter.
- Ring diameter a minimum of 0.012-inch greater than shank diameter.
- 16 to 20 rings per inch.
- A minimum 0.280-inch full round head diameter.
- Ring shank to extend a minimum of 11/2 inches from the tip of the nail.
- Minimum 2-1/4 inch nail length.
It’s important to remember that 8D gun nails are not 2 1/2" long, they are 2 3/8" long. Common nails are required to be 2 1/2" long to qualify as 8D nails. But, determining nail length by measuring the exposed nail at the underside decking is very inaccurate…you have no way of knowing if that nail is over-driven or under-driven through the deck. A properly driven 8D ring-shank gun nail will be exposed at the underside roof deck(19/32") about roughly 1 3/4"…not 2". The nail is required to be level with the surface of the decking, anything more and it is over-driven…
exactly!