The roof lines ridgelines hip lines valley lines gable and eaves overhang lines at the ends of building sections and at junctions provide information regarding.
Truss roof section detail.
A section is a slice through a building showing the internal features of the building.
A roof truss is a structural unit designed to frame a roof and to support the roof material interior ceiling insulation and forces caused by snow rain and wind.
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Roof truss sections in addition to plan and elevation views architects drawings may also include sections.
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The wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1.
The position of this slice is indicated on the roof plan by dotted lines as shown here.
It is important to identify the load bearing walls on which the roof trusses will be supported in the following plan view drawings all load bearing walls are shown shaded.
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If however the roof sheathing is of planking secured directly to the trusses and especially if run diagonally other bracing may not be required.
A roof truss is supported by the exterior walls and span the width of the building.
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