Manufactured Floor Joists

Two pictures above show building the cross joist support using traditional joist hangers.

Manufactured floor joists.

Once the chassis has been built to specifications the builders will use a jig or template to built the floor joists from 2x6s or sometimes 2x8s for the higher quality homes. Compare click to add item 3 1 2 x 14 i joist 90 series to the compare list add to list click to add item 3 1 2 x 14 i joist 90 series to your list sku 1066950. We offer roof trusses storage building trusses and frames floor trusses and trusses that are immediately available to pick up at one of our conveniently located plants. Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720.

These are screwed into the existing floor joists. This performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span tables. Some of those options include laminated veneer and strand lumbers i joist and rim boards. Then the cross support is cut to length dropped into the joist hangers and finally attached to the hangers using screws.

First the hanger is secured to the the floor joists. The two steel i beams that provide the main support of a mobile home are parallel to the long walls of each unit of the home but inset several feet from the walls. Bci joist span and size charts available for download. The l indicates the span and as the bottom number gets bigger the deflection goes down.

In addition we carry a wide selection of lumber and boards. These manufactured floor joists can provide a solid floor if you go with a l 480 deflection criteria. Besides the chassis and roof down structural integrity manufactured homes are built much like site built homes. The open joist triforce is offered in industry standard measurements of 11 7 8 14 and 16 inches 241 mm 302 mm 356 mm and 406 mm.

Bci joists are specially constructed floor i joists with flanges made from strong versa lam lvl. Basically the deflection criteria is used to determine the joist size and spacing. The floor joists that sit on top of the beams run perpendicular to them and are cantilevered as they extend past the beam.