VMZ single lock standing seam

VMZ Standing seam cold (vented) roof

on open gap boarding

 
  • Suitable for most buildings.
  • Roofs with a pitch from 3° to vertical.
  • Both renovation and new buildings.
 

Surface finishes as follows

 Natural Zinc,
 QUARTZ-ZINC,
 ANTHRA-ZINC
 AZENGAR
 PIGMENTO
Blue, Brown, Green or Red

 
Thickness 0.7mm
Weight* Kg/m² Approx 6 kg/m²
Pitch from 3° to 90°
 
Simplicité de pose Very versatile and easy to install substrate
Technicité Flexible beause it also permits 3D shapes to be clad in zinc

 

  • Clean and dry 100mm to 150mm wide, 18mm or 24mm thick softwood boarding, according to the rafter centres.
  • Any wood treatment products (fungicides, insecticides) must be dry and completely neutral in relation to VMZINC®.
  • The roof boards are fixed perpendicularly to the direction of the pitch leaving a 3mm to 5mm gap between them.

Boards to be securely fixed to the structure.

  • Maximum difference in height of 1mm between roof boards. The deflection measured under a rigid 600mm long straight edge cannot exceed 2mm in all directions.
  • The roof board nails are countersunk in order to avoid any contact with the VMZINC®.

 

 

 
1

VMZINC® is installed directly on the roof boarding.

2

A 50mm continuous air gap must be left clear beneath the roof boarding, on all the roof pitches.

3

Continuous ventilation openings are made at the top and bottom.

4

In order to keep the integrity of the roof, it is recommended to install a breather membrane on the cold side of the insulation and a vapour control layer adapted to the internal humidity load of the building, on the warm side of the insulation. A bituminous vapour barrier is recommended.

For more information, please contact VMZINC.


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