Refer to Drawing . How much corrugated metal roof decking is required for the mechanical penthouse roof? (note – allow 5% for lap and waste). The penthouse roof is 30′ x 60′.
Refer to Drawing . How much corrugated metal roof decking is required for the mechanical penthouse roof? (note – allow 5% for lap and waste). The penthouse roof is 30′ x 60′.