Getting ready to stock up for summer projects at Menards 17% sale.
Some roofing planned, single shingles over 1/2" plywood and OSB. Saw
some commercial projects lately with a lot of the nail length hanging
down below the OSB. Seems to me the extra length is wasted, hence the
question about optimum length. Would 1 1/2" be best for a decent
quality shingle and 30 lb. felt?
1 1/2" should be fine. If you did the math, 1" may work but nail length has
more to do with the nailer than the what you are nailing.
Anything less than 1 1/4" is a pain to nail and the job would probably take
longer. So for pros, the few pennies saved on nails is wasted on labor(most
pros would use a gun, but some claim hand nailing is better).
As other have said as long as the nail sticks out a certain amount (I don't
know the code) its ok. If you think about nailing vinyl siding on 1/2" OSB,
a 3/4" nail should work but would cause allot of smashed fingers.
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