on the same bay at one end of the shelter.
opposite
False
False
except the red purlins, all purlins are first to be placed in the container
Purlins are commonly used to support roofs. Purlins are horizontal in shape; it commonly supports rafters that hold up the roof. Thus purlins are quite heavy.
False
Purlins are used on double roofs. They effectively reduce the span of the rafters and limit their size to ecenomical sections.
Purlins are horizontal members fixed on top of a rafter. The purlins support the roofing sheets.
quick release pins (QRP) hook-and-loop straps
hook-and-loop
If installed correctly then yes you can on most systems. This depends on the spacing of your purlins, the type of metal used, the panel style used, the thickness of metal used, and the slope of the roof.
Red, Green and Blue.