Further technical information such as composition and manufacture, size and weight, performance and manufacture
Composition and manufacture
Visionwall is factory finished. 60mm thick panels may be used with either 4 or 6mm glass which may be toughened, coloured or patterned. Available in 100mm thickness for sound reduction.
Either of these systems may be provided with glazing cut-outs to accept glass by others. Glazing aperture must leave a minimum of 200mm frame width all round. Panels above 2,500mm in height must have a horizontal dividing rail.
Visioplan: Type 40: honeycomb core doors with a 9mm board, single-sweep seal; Type 60: 15mm particleboard faces, Rockwool slabs infill. Aluminium edge profiles, double-sweep seals; Type 100: as Type 60 with added particleboard infill.
Size and weight
Visioplan: panel height: 4m maximum; panel width: 450 to 850mm; finished thickness: 40, 68 and 100mm. Panel weight varies with sound-reduction level: Type 40, 22kg/m2; Type 60, 24 to 41kg/m2; Type 100, 40kg/m2.
Visionwall: panel thickness: 60 or 100mm; maximum panel height: 4,000mm; panel width: 500 to 900mm (centre) or 700mm (offset). Weight depends on type of glass.
Visionwall: framework around the glass can be painted, veneered or laminate finished. Trims on the edges of panels are SA aluminium, which can be anodised or painted to any BS colour.
Visioplan: painted/melamine and full range of timber veneers. Edge profiles can be colour coated.
Effect of fire
Surface spread of flame and full fire-rated types available.
Type 40: Rw 25dB; Type 60: Rw 38 to 43dB; Type 100: Rw 45 to 46dB.
Alco Beldan provides a complete nationwide and export supply-and-fix service, including track suspension and ceiling-void sound baffle if required.