hanging drywall on trust rafters

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Old 11-16-05, 08:15 PM
dmover
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hanging drywall on trust rafters

When drywall is installed on trust rafters I was told that you shouldn't screw within 12 inches or so of the interior walls because the trust rafters could pull up in cold weather and crack the finished joint, My question is how do you fasten the ends by the wall so they don't move?
 
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Old 11-16-05, 09:26 PM
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Its "truss" and if correctly attached, will not noticably deflect.
 
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Old 11-17-05, 03:43 AM
dmover
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can you explain -- correctly attached?
 
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Old 11-17-05, 06:35 AM
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When not specifically addressed in the framing details on the plan, three 16D at each top plate to truss intersection.
 
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Old 11-20-05, 08:04 AM
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In 19 years of doing drywall for work I never heard that one. Building inspectors here require adhesive and screws on every joist.

If you rely on the wall to hold up the ceiling at the edges, the theory is a great way to cut corners, but makes for lousy workmanship. The tighter they are affixed close to each other, the less chance you have of the tape cracking, peeling, etc. due to expansion/contraction

If the edges AREN'T attached, you WILL get gaps during winter. Every outside corner of my house does ... until I screw it in as I renovate.
 
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