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Re: Nail Popping

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I never saw a nail pop until I bought my first home in 1967 or '68 (in
Michigan).  Conventional drywall construction on wood studs.

My dad, a carpenter, said it was caused by using green or under cured
lumber as wall studs.  His explanation was that the heating in the house
dried out the outer layers of the stud, while the interior was still moist
and gripped the point of the nail.  The wood surface simply migrated away
from the head of the nail, and the drywall followed.  This *would* give
some explanation for nails popping near the ceilings first (in heated

So far, I haven't heard a better reason, but I have seen some more nail

Fountain E. Conner, P.E.
Gulf Breeze, Fl. 32561

> From: NRoselund(--nospam--at)
> To: seaint(--nospam--at)
> Subject: Re: Nail Popping
> Date: Tuesday, August 10, 1999 11:50 PM
> Roger, 
> Catching up on my list mail after a week away, I'd appreciate a
> of what you've seen when you've observed nail popping.  What materials
> joined by the nails; how do you determine that a nail has popped?  
> Existing buildings are my professional niche and this sounds like
something I 
> should know more about.
> Nels Roselund 
> Structural Engineer