Roof Beam Construction Details in AutoCAD, dwg file.

<p>This Architectural Drawing is AutoCAD 2d drawing of Roof Beam Construction Details in AutoCAD, dwg file. <strong>Beams may be of wood, steel or other metals, reinforced or prestressed concrete, plastics, and even brickwork with steel rods in the bond between bricks</strong>. For weight reduction, beams of metal are formed as an I or other shape having a thin vertical web and thicker horizontal flanges where most of the strain appears.</p>