Floor Truss Bearing Details

Floor joists over a crawl space may reach seasonal moisture contents in excess of 14 percent.

Floor truss bearing details.

The spacing of floor trusses allows for maximum structural efficiency and speed of installation. Keyed bearing or shared bearing details allow two different floor trusses to share the same interior bearing and stay aligned eliminating the need to stagger or overlap the two trusses. Special bearing cantilever and balcony details are easily built in. Truss a pre built component that functions as a structural support.

Squeak ing floors and loose nails in wallboard or siding can be reduced by allowing framing to season to a moisture con tent which is as close as possible to moisture levels it. Floor truss bearing detail. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Mitek floor truss system design flexibility allow a multitude of pre fabricated details that substantially speed up the installation on site.

This also reduces the need and cost for extra bearing posts beams and footings. Standard repair detail for stubbing a floor truss at interior bearing. Top chord bearinga floor truss support condition in which the truss load is transferred to the bearing or support through the top chord and 4x4 block end detail. Standard repair detail to modify truss from top chord bearing to bottom chord bearing.

Floor truss bearing detail. Forming the top of the floor truss. Some of these standard details may be sealed upon request. Roof truss repair details.

Standard repair detail for stubbing a floor truss at interior bearing. Support of bottom chord of standard open end jack using pressure blocks. Shrinkage warping or twisting are minimized. View the following detail guides.

When the 4x4 block length is extended this is referred to as mid chord bearing. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. The result is a cleaner detail with full bearing while reducing labor and material usage. 72 5 0 mi ni m u m girder floor truss floor truss jacks a a bearing wall girder floor truss floor truss jacks bearing wall cantilevered floor truss two 2x rim joists 24 max.

Standard repair to remove end vertical ribbon notch vertical. Roof trusses and rafters on the other hand may dry below 6 percent. Stiffness and strength can be designed into the floor truss creating a more solid floor. Top chord bearing end condition the ultimate advantage probably one of the most appreciated feature of the mitek floor truss engineered floor system is the ability to hide beam in the floor by using a.

Roof floor truss manual 7 31 08 10 43 am page 12. Contact mitek engineering support for any questions. And parallel to floor truss span strongback lateral supports 24 max.