I Joists Vs Floor Trusses Cost

With floor trusses being built this way to begin with it was a huge step for the world of i joists.

I joists vs floor trusses cost.

Unless there is a good reason for your project to have floor trusses unusually long spans or heavy load requirements it would be much more cost effective opt for a more economical option that does not compromise performance such as the triforce open joist see span tables. This also reduces the need and cost for extra bearing posts beams and footings. The advantages of open web floor trusses are beginning to decelerate the growth of ewp. However most of the increase results from the national builders market share growth.

Floor joist spacing for i joist and 19 2 spacing for open web because the floor plywood tends to get bouncy. Though i joist sales per housing start have increased about 6 over the last two years the trend has slowed considerably. The biggest advantage in my opinion in using i joists is simple. January 12 2016 at 8 38 am.

Truss joists i joist lf. To which rick responded. Floor trusses are expensive. They support the weight of the building and absorb impact providing stability and security to the overall floor system.

Floor joist stiffness has most to do with the span of the floor joist. Some of the small gain is due to the continuation of the replacement of solid sawn joists. Alex this is actually not true of trusses. Floor trusses are going to run around 4 40 per lineal foot spaced 2 on center this makes the cost per square foot for the joists at 2 20.

Floor joists are a part of the structural support of a floor. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. The one thing con you forgot to consider with floor truss vs traditional joists is that they are much weaker in a fire situation and will collapse long before a traditional floor joist will. For a floor span of over 24 trusses are certainly the way to go.

Depending on the local building codes and the contractor s. Floor joists are typically cut on site and are placed at regular intervals. Other than the floor stiffness i would not recommend going more than 16 o c. Ewp is resourceful for many reasons some of which you may already be aware of some of which you may not be.

But it is true of i.