ROOF DoubleLockStandingSeam

TARC Double Lock Standing Seam

Suitable for low-pitched roofs down to 3 degrees, this is an ideal profile for harsh climates where snowfall, strong winds and heavy rains are a consideration. Allows straight or curved, radial or arched design flexibility. High upstand provides elegant depth and shading. It is uniquely designed to account for thermal movement.

Material Options

Discover our wide range of material and finish options in:
Copper
Zinc
Aluminium

Support

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TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

AVAILABLE IN

Material Aluminium coil-coated Zinc Copper
Thickness 0.7mm or 0.8mm 0.7mm  0.6mm
Panel length Please consult us at design stage >10m Please consult us at design stage >10m Please consult us at design stage >12
Seam height 25mm / 38mm 25mm / 38mm 25mm / 38mm
Panel width 305-555mm
Standard width 515mm
305-600mm
Standard width 505mm and 405mm.
305-600mm
Standard width 505mm and 405mm
Directions Vertical Vertical Vertical
Minimum Pitch 3.0 degrees* 3.0 degrees* 3.0 degrees*
* Pitch < 7 degrees is subject to location and design, please contact us for further information.

 

SYSTEM BUILD UP

Roof structure Must consist of continuous trussers or top hats at max. 600mm spacing
Direct support

Standard - Plywood 15mm structural to AS/NZS 2269

Non-flammable - MgO board min. 15mm

Underlay Fully breathable and waterproofed underlay
Fixings Fixed and sliding TARC approved Single Lock brackets at max. 400mm centres. Clips to be min. 0.4mm stainless steel

 

FULLY DESIGNED BUILD UP SYSTEM

Fully supported roofing system including plywood, membrane, metal and fixings, complete with all flashings, trims and waterproofed details meeting adjoining building materials.

Warranty

Min. 10 years warranty covering material, min. 5 years on workmanship

Extended warranties available on request

Materials TARC Single Lock is available in materials and colours as above
Manufacture All components of the TARC Single Lock system are manufactured by TARC in one of our manufacturing facilities. Trays over 8m length are typically roll-formed on site