Here is an autocad dwg file for details of Flat roof invested passable. A flat roof is defined by having a roof pitch below 1.5 degrees or a Fall of 1 in 40 and ... All new flat roof materials should have certificate by supplier and the roof.
Stair elevation detail dwg
Cable duct and base plate
Wall section view of house
Steel ventilation pipes la
Construction detail layout
Separation and typical wal
Roof section plan detail d
Column elevation and secti
Spire stairway
Construction detail dwg fi
Transformer pad mounting v
