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.
Top chord bearing roof truss.
When the 4x4 block length is extended this is referred to as mid chord bearing.
Mitek floor truss system design flexibility allow a multitude of pre fabricated details that substantially speed up the installation on site.
Issue 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.
Tsjh22 tsjh24 tsjh44 hanger applications.
Top chord bearing condition with seat top chord bearing top chord bearing.
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.
97kb pdf download pdf.
Top chord bearing on steel beam no notch clip 73kb dwg download dwg.
500 sycamore street p o.
Forming the top of the floor truss.
Top chord bearing red s truss butting with red l and red w trusses.
Trusses can be designed to have support right under the top chord.
77kb dwg download dwg.
Maximum top chord panel length of 9 for a 2x4 and 12 for a 2x6 lumber.
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 top chord bearing condition.
The software will give you a warning if you exceed these limits.
Truss a pre built component that functions as a structural support member.
For roof trusses use the maximum panel lengths set in the software.
Tsjh22 tsjh24 tsjh44 hanger applications reduced screw counts.
105kb pdf download pdf.
A top chord bearing truss is used to support the second story floor assembly.
The ends of these trusses are visible on the exterior.
Sometimes the bearing sits between the top and bottom chord of the truss and a mid height bearing the 2x6 vertical shown in the image below will be used.
This truss can be used when greater area is needed for solar panels on one side of a roof or if the building owner wants to put windows in the vertical portion of the top chord to allow light into the building.
Red w truss top chord bearing.
Maximum bottom chord panel length of 12 for a 2x4 and 14 for a 2x6 lumber.
104kb pdf download pdf.
If the bearing is below the truss bottom chord the end vertical of the truss can extend down to sit on the bearing.
72kb dwg download dwg.
