Nails are much stronger with regards to shear strength. Screws resist
pulling out, but are much more brittle and easy to snap.

"EJ" wrote in message
news:Mt7Ka.12136$XG4.10601@rwcrnsc53...
"Carpenter Ant" wrote in message
...

"John D" wrote in message
...
Can I span 17' 4" with 2x6's, 16 oc, ceiling w/drywall, insulation, no
attic
storage? I wanna remove a wall that is within this span. It looks like
2
or
3 joists(?) already span this distance in line with the doorway.
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yes as long as you nail (not screws) 2x4's from the ceiling joist to the
rafters creating a truss.

otherwise that would require 2x10 ceiling joists for a 17' 4" span 16"
on
center.
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Why nail? Just curious.

EJ