Roof Plan & Section Detail . concrete tie-beam, 8" x 16" w/ (4) #5 rods continuous, r-30 insulation & 1/2" drywall ceiling.approximate finished grade.fiberglass shingles over #30 felt, tin tabbed @ 12" o/c over 1/2" cdx plywd.anchored with (1) 8d @ 4" o/c to pre-engineered roof trusses @ 24" o/c..
