Permaclad® / Colourclad® Roofing
We supply metal roof cladding in both Permaclad® and Colourclad® (Permaclad® with oven cured paint finish).
Permaclad® (also known as Aluzinc/Galvalume/ZincAlume) is a structural steel substrate coated on both sides with an alloy of Aluminium and Zinc by a hot dipping process.
Technical Characteristics: Permaclad®
Quality: Structural quality steel base to ASTM A792M Grade 345A.
Min Tensile strength: 450 N/mm²
Min. Yield strength: 345 N/mm²
Min. Elongation: 12% in 50mm
Thickness: 0.5mm / 26G (standard), 0.6mm 24G
Coating Characteristics:
Coating Compostion: 55% Al, 43.4% Zn, 1.6% Si
Min coating mass: AZ200- 200g/m2 each side (28 microns/side)
Surface finish: smooth, spangle
Surface Protection: Chromated, resin-coated
Specific Weight: 3.75 g/cm3
Formability: very good behavior in: bending; rollforming; drawing
High temperature behaviour: no discolouration up to 3150 C (6000 F)
Heat reflectivity: similar behaviour to aluminized steel up to 3150 C (6000 F)
Weldability: similar behaviour to galvanized steel for:
spot, seam resistance and arc welding.
Painting: very good paintability, excellent adherence,
can be painted immediately.
Colourclad® is an aesthetically pleasing sheet product that is comprised of a structural steel substrate coated on both sides with an alloy of Aluminium and Zinc by a hot dipping process, a corrosion inhibitive primer and an oven cured paint finish.
Technical Characteristics: Colourclad®
Quality: Structural quality steel base to ASTM A792M Grade 345A.
Min Tensile strength: 450 N/mm²
Min. Yield Strength: 345 N/mm²
Min. Elongation: 12% in 50mm
Thickness: 0.5mm / 26G, 0.6mm 24G (select colours only)
Coating Characteristics:
Coating Compostion: 55% Al, 43.4% Zn, 1.6% Si
Min Coating Mass: AZ200- 200g/m2 each side (28 microns/side)
Primer Coating 1: Min. 5 microns Epoxy primer on each side
Paint Finish 1: 20 microns modified Polyester on each side (light colours)
Primer Coating 2: Min 5 microns Polyurethane on each side
Paint Finish 2: 20 microns Poly Vinylidene di-flouride (PVF2)
on each side (dark colours)
Specific Weight: 3.75 g/cm3
Colourclad® Colour Chart – Screw Fixed Roofing
Due to limitation of photographic and printing processes, the colours shown do not accurately represent our actual colours. Sample chips are available on request at no charge.
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Grizzly Brown
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Capri Blue
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Etna Red
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Florida Yellow
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Forest Green
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Atlantic Green
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Eucalyptus Green
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White
Colourclad® Colour Chart – Concealed Fix Roofing
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Manor Red
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Sand Bank
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Blue Ridge