Top Chord Bearing Roof Truss

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Top chord bearing roof truss.

Flat truss with cantilever pratt configuration top chord bearing flat truss pratt configuration fl att rus w e nc of ig s l op i ngp are ch ds h w f u t sloping top chord howe configuration floor truss system 42 modified warren configuration mono trusses scissors mono mono parts of a truss framed roof gable end valley set gi rde. Red w truss top chord bearing. Flat truss top chord bearing on icf wall. 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.

Roof truss bearing on icf wall. If the bearing is below the truss bottom chord the end vertical of the truss can extend down to sit on the bearing. A top chord bearing truss is used to support the second story floor assembly. Fan trussa floor truss with 30 top chord panels and 60 bottom chord panels and a fan web configuration.

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. For roof trusses use the maximum panel lengths set in the software. Energy efficiency roof trusses energy codes residential codes irc design performance products. 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.

97kb pdf download pdf. 77kb dwg download dwg. 105kb pdf download pdf. Trusses can be designed to have support right under the top chord.

Truss a pre built component that functions as a structural support member. Maximum top chord panel length of 9 for a 2x4 and 12 for a 2x6 lumber. The ends of these trusses are visible on the exterior. Maximum bottom chord panel length of 12 for a 2x4 and 14 for a 2x6 lumber.

Top chord bearing on steel beam no notch clip 73kb dwg download dwg. 500 sycamore street p o. When the 4x4 block length is extended this is referred to as mid chord bearing. The software will give you a warning if you exceed these limits.

Extended top chord bearinga floor truss sup port condition in which the truss load is trans ferred to the support through the top chord member extending to sit on the support. Flat truss bottom chord bearing on icf wall. An analysis of a toe nail connection visible after sheathing is installed. Top chord bearing red s truss butting with red l and red w trusses.