- Truss structure with Purlins and
Girts for Base & Cap System
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& Guide
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- Roof purlins & wall girts are
horizontally framing members placed on outside of
trusses.
- Base & Cap System runs
perpendicular, and on top of, purlins and
girts.
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Cost
& Tech Info
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Estimated
materials to cover 28' x 48' frame
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Polycarbonate
Selection
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- Layout
Positioning: When
laying over vertically running rafters & studs proper
blocking required for Load
Support. One may also
place intermediate members between the rafters or stubs that will
support the Base. Blocking can be eliminated this way, except on
loads over 45 lbs. per sq. ft. when using 8mm or 10mm sheet. In
this case place blocking every 8 ft. for 8mm, 10 ft. for 10mm. 60
load every 6 ft. for 8mm, 8 ft. for 10mm.
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