Choosing I-joists or floor trusses appropriately will increase the design potential and structural integrity of the homes you build.

Oct 31, 2012 · Looking at the span tables from trimjoist ( http://www.trimjoist.com/spans.html), it looks like I could use j-12’s spaced 24″ on center to get a L/465 floor with a load of 40-10-10.

Jan 1, 2012 · I was leaning towards the TrimJoist (floor trusses with trim on the ends for rafter tail cuts and such) for ease of use. I know they're going to be 14" deep but I haven't done framing in 10 years and, although I still have all my necessary pneumatic and power tools and such, dimensional lumber is much easier to wrap my mind around.

Mar 1, 1999 · Based on your experience, how do the costs compare between I-joists and floor trusses when built to the equivalent deflection ratings (let's say L/480 or better)? Is one method typically "bouncier" than the other (again, same deflection rating)? I've seen advertisements for the TrimJoist system, a combination of open-web floor truss and I-joist.

Jun 8, 2004 · According to the TrimJoist span tables, they are showing around L/500+ for these spans. 2x6 strongbacks @ 10'-0" o.c. will be used. Subfloor is 3/4" APA plywood glued with 5/8" Bamboo flooring as finish.

Dec 30, 2008 · I’m designing a house for a client and I’m debating on using TJI’s or floor trusses. It’s a basement house and the A/C loads will be small enough I feel […]

Jan 28, 2007 · Never used them, but for my current project I priced OpenJoist 2000, TJIs, and open web metal plate floor trusses. That was the order in which they came in price wise - the OpenJoist being the most expensive. I was shocked that the metal plate trusses were the cheapest, especially since that is what I really wanted to use for running mechanical, …

Jun 18, 2006 · Not the whole length.So they ordered 2 diff. lengths.The first is about 16' and that goes onto a microlam beam that runs the width (about 25').Then, that leaves a span of about 22'.However, there's a load bearing wall that moves in a bit, so the 22' I-Joist gets support at the Microlam at one end, and 10' and 14' for the "next" support, and then it continues on to the …

Jun 23, 2005 · If resting joists on a beam then you'd need a rim joist or blocking, otherwise warping or twistimg of your joists could cause them to rack, ergo not sturdy enough. Which is one thing the JHs eliminate, a plus. Did you consider tension as part of the 'sturdiness'? Joists secured at the outside ends and lapped over the beam would provide better resistance to tension than …

Apr 3, 2007 · The trimjoist and the openJoists were about the same price and more expensive than the I-joists or the custom built floor trusses. I went with the custom build floor trusses.