Floor joists are a part of the structural support of a floor.
Floor trusses vs floor joists cost.
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.
This also reduces the need and cost for extra bearing posts beams and footings.
I m thinking it would take a little more math on the builder customer part to compare against labor.
Floor joists are typically cut on site and are placed at regular intervals.
By only covering the trimmable end of the triforce open joist your floor system will be fire compliant as per exception 4 to section r302 13 of the 2015 2018 irc.
Vibration control with minimal effort and cost.
However most of the increase results from the national builders market share growth.
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.
All wood finger joined joists are installation friendly for framers and mechanicals.
Ewp is resourceful for many reasons some of which you may already be aware of some of which you may not be.
January 12 2016 at 8 38 am.
Cost effective light and safe.
Though i joist sales per housing start have increased about 6 over the last two years the trend has slowed considerably.
Alex this is actually not true of trusses.
Some of the small gain is due to the continuation of the replacement of solid sawn joists.
To which rick responded.
The advantages of open web floor trusses are beginning to decelerate the growth of ewp.
Floor trusses can span farther between bearing points than i joists allowing for larger open rooms.
The biggest advantage in my opinion in using i joists is simple.
For a floor span of over 24 trusses are certainly the way to go.
I just did some checking to confirm.
Superior strength to cost ratio thanks to no need for steel connectors and efficient use of wood fiber with a state of the art robotic manufacturing process.