• From 75° to 90°
• Both renovations and new buildings
• Useable length : up to 6 m
• 2 types of installation: horizontally or vertically

• Surfaces with a pitch from 75° to 90°.
• Both renovation and new buildings.
• Classes of internal humidity load: 1 to 4.

VMZINC, the choices

• Natural VMZINC, 5 pre-weathered VMZINC colours QUARTZ-ZINC®, ANTHRA-ZINC®, PIGMENTO® red, green, blue: 0.7 or 0.8 mm thick.
  
• 6 Bilacquered VMZINC colours: 0.7 mm thick.

Characteristics of this technique

• The VMZINC is installed on the boarding
• A continuous 20 mm (minimum) ventilated air gap is to be left behind the boarding on the entire facade.
• Continuous ventilation openings must be made at the top and bottom.

Structure

• Clean and dry 100 to 150 mm wide by 18 or 24 mm thick softwood boards, depending on the centre-to-centre distance between bearing structure elements.
• Any wood treatment products (fungicides, insecticides) must be dry and completely neutral to VMZINC.
• 75° to 90° facades: install boards vertically leaving 3 to 5 mm between them.
• 90° facades: install boards vertically at 400 mm centre-to-centre. However, for the areas of the facade near by traffic, continuous boarding should be installed to a height of 2 m.
• Maximum difference in height of 1 mm between roof boards. The deflection measured under a rigid 600 mm long straight edge cannot exceed 2 mm in all directions.
• The nails fixing the boards are countersunk in order to avoid any contact with the VMZINC.