In couple close roof construction the ties are just spiked to the rafters.
Couple roof maximum span.
Building materials and construction building materials and construction.
Question is couple close roof is suitable for maximum span of options are a 2 5 m b 3 5 m c 4 5 m d 5 5 m e leave your comments or download question paper.
When calculating how many panels you need remember that you have overlap the panels by 2 inches so a 6 foot length actually covers an area 5 foot 10 inches long.
The couple roofs are used for the shed and small building which are 3 5 m wide because the roof timbers tend to spread and overturn the walls of the building.
If you think that above posted mcq is wrong.
Couple roof is used for spans.
5 m but less than 6 5 m.
Under normal loading conditions these types of roofs can be used for a maximum span of 4 5 m but for the increased spans or greater load the rafters have a tendency to sag in the middle.
Panels of corrugated metal roofing typically come in 6 foot lengths.
Couple close roof is suitable for maximum span of.