H20 Timber Beam 1 Solid flange: High quality spruce; High stability 2 ... Fir2) Flange: 40x80mm, and the flange is made of solid wood.3) Thickness of web: 30mm( special thickness available on ... max. 5KN/M Cutting action max. 10KN7) Usage: The formwork timber beam is used for concrete construction, and it is the supporting ... ,recycle resource,encironmental protection,can be repeatedly used. H20 Beam