Top Chord Bearing Floor Truss Detail

Top chord bearing on frame wall top chord bearing on masonry wall top chord cut after installation intermediate bearing continuous floor truss special engineering required roof floor truss manual 7 31 08 10 43 am page 10.

Top chord bearing floor truss detail. Floor trusses offer four different bearing conditions for a wider variety of uses. Features benefits of 4 2 floor system. 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 top chord bearing condition. Forming the top of the floor truss.

Top chord bearing end condition the ultimate advantage. These options include upgrading lumber using a bearing block or using a truss bearing enhancer. Longer spans allow for more efficient use of bearing walls beams. A top chord bearing truss is used to support the second story floor assembly.

When the 4x4 block length is extended this is referred to as mid chord bearing. Alpine engineered products now itw referred these to floor trusses as system42 trusses. Truss a pre built component that functions as a structural support. No joist hanger are necessary and substantial material and labor saving can be achieve.

The multiple bearing conditions make matching existing floor heights much easier when using floor trusses. Extremely friendly to mechanical trades no cutting required. Top chord bearing truss in conventional residential construction framing in phoenix arizona consumed considerably more wood than should have been used resulting in extra costs of both time and materials. The ends of these trusses are visible on the exterior.

Floor trusses go by many names and since parallel chord 4x trusses can be used in roof systems the term floor truss is not necessarily the most accurate term although it is the one in most common use. Many hangers typically used in an i joist system are eliminated by incorporating top chord bearing details into a floor design. 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.