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Old 04-01-2007, 12:40 AM   #1
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Joists - TGI vs. Web Trusses


I'm in the market for a house and recently saw a house whose floors were built with trusses. These "web" trusses were just 2x4 studs cut and secured together using nail plates. I think it was pine studs. I have never seen this before, as most of the homes I've seen were built using solid 2x10 boards or TGI's (woooden I-beam), with the latter being the most popular for new home construction. Also, the web trusses were support with hangers off the LVL, while most TGI's sit on the concrete foundation.

My question is whether anyone here has had any bad experiences with homes built with trusses. These trusses, while strong, aren't as strong as typical TGI's.

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Old 04-01-2007, 08:50 AM   #2
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Joists - TGI vs. Web Trusses


As a builder, I can tell you the deciding factor is cost....and whether we need the access through the joists, like for mechanicals (hvac and plumbing). I haven't prices the bar joist style beams lately, but I Joists are running $2 a foot here. As for living in the home, I doubt you will notice the difference.

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Old 04-01-2007, 07:24 PM   #3
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Joists - TGI vs. Web Trusses


I assume you're saying the TGI's cost more? Also, TGI's come with punchout holes for running wiring, piping, etc. through. It takes a bit more effort, but is it that big of a deal? I've seen some homes that were built in the late 80's and early 90's, and many of them have the webbed trusses.
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Old 04-02-2007, 12:34 PM   #4
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Joists - TGI vs. Web Trusses


There's a little more bounce to the floor. I have them 2ft/OC 3/4 T&Gplywood and 3/4 hardwood and 12x12 ceramic in kitchen, hall, baths going on yr 12 everything is tight and holding up.
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