Wood Floor Truss Size Design System

Can be built right into the design for minimal additional costs while it is not possible with i joists.

Wood floor truss size design system. Floor truss systems are sometimes called system 42 s because to build them manufacturers turn the 2x4 s on their side. Floor truss span chart select trusses lumber. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.

Our floor truss span chart helps you to determine the correct depth and spacing required for your next floor truss project. Truss system fewer pieces to handle and reduced installation time wide 3 1 2 nailing surface for easy floor deck application eliminate notching and boring joists for electrical wiring and plumbing floor trusses offer better availability and less in place cost than 2x8 or 2x10 joists factory manufactured components. Floor truss buying guide.

This allows for shallow depths as well as a 3 1 2 nailing surface. Our custom designed floor truss systems reduce the amount of bounce that can be found in conventionally framed floor joist. This reduces the need for interior bearing and provides space for hvac plumbing and electrical systems within the floor panels.

Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Floor truss spans can vary depending on floor truss depth and the spacing of floor trusses. Maximum deflection is limited by l 360 or l 480 under live load.

If you are starting a new construction project you may be wondering what the best option for your floor system will be.