Residential Wood Floor Trusses

As one of the nation s largest lumber and building material distributors we provide quality residential construction products at competitive prices.

Residential wood floor trusses. Section r502 10 of the international residential code states that header joists can be the same size as the floor joists when the header joist span isn t greater than 4 feet but if the header joist span is more than 4 feet you ll need to double the header joist and ensure that it s capable of. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Spacing of trusses are center to center in inches. This also reduces the need and cost for extra bearing posts beams and footings.

Photo gallery video gallery residential steel trim selector post frame trim selector projects. Add to list click to add item 18 x 8 trimmable end floor truss to your list. Select your i joists floor lvl header or roof lvl headers. Geometry loading spacing bearing conditions etc.

Launch designer ez build. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Floor trusses are able to span farther than dimensional lumber and even i joists.

Additional support for the floor joists is achieved by nailing the ends of the joists into headers. Compare click to add item 18 x 8 trimmable end floor truss to the compare list. Common sense tells you that large floor joists can carry more load and spacing joists closer together also increases the load bearing capacity of a floor. Ship to store free.

Span tables below illustrate common combinations of the multiple variables available. Since the example house we are designing for is 12 feet wide we need to find in the floor joist span table a joist size and centering that can span 12 or wider. Select store buy. Design buy engineered wood products.

Maximum deflection is limited by l 360 or l 480 under live load. See the image below for an example of joists spaced 16 on center 16 o c. This reduces the need for interior bearing and provides space for hvac plumbing and electrical systems within the floor panels our custom designed floor truss systems reduce the amount of bounce that can be found in conventionally framed floor joist systems. The floor joist spacing is the distance between the centers of any two installed joists.

Click to add item 18 x 8 trimmable end floor truss to the compare list. The extra two inches of vertical distance when a floor is framed with 2 x 10 joists rather than 2 x 12s can be quite important for example.