35raise
One of the last purlins is dropped into place. You can also see the cross braces (at an angle) that are attached to the lower and upper purlins. THese prevent any twisting of the roof framing.
One of the last purlins is dropped into place. You can also see the cross braces (at an angle) that are attached to the lower and upper purlins. THese prevent any twisting of the roof framing.
