I have architectural shingles. The shingles have separated into two
pieces. Can you please tell me what's going on?
When you nail an architectural
shingle, there is a small area about 3/4" of an inch wide where the shingles are
supposed to be nailed. It is very easy to miss this area. Chances are, that's what
happened. There will be a nail line showing where the nails are to be placed. Nails should
not vary more than 1/4" from this line.
Go here: http://www.roofhelp.com/dimensionalpage.htm
This doesn't mean that the sealant hasn't failed, but most likely it's improper
fastening which is almost certain what the manufacturer will tell you if you turn in a
complaint about it.
I
want to use staples instead of nails to install my shingles. Is this method approved?
No. Never use staples to install
asphalt shingles.
One
contractor says a nail gun is better and another says hand nailing is better. Which is the
preferred method?
Hand nailing allows better
control and is the way to go. However, it's usually more affordable to use a gun because
hand nailing is more labor intensive. If a gun is used, the pressure should be regulated
to keep from damaging the shingle by overdriving the nails. Some guns have built-in
pressure regulators, and some don't. Typically, the tank pressure should not exceed 90
psi; the gun will have the recommendation on it.
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