Here is the detailed autocad dwg of acoustic isolation roofs ,it is used to reduce noise inside a room.
First floor plan with slab
Foundation plan with beam
House section view detail
Joinery section detail dra
Distribution board lubrica
Floor slab plan detail dwg
Retaining wall location a
Commercial foundation work
Bodega type storage
Brick walls
Staircase detail plan deta
Flow Sheet Diagram In DWG