Galvanised Steel Corrugated Roof Sheeting is a zinc-coated sheet with a versatile range of applications in building and construction. The S-rib profile is structurally very strong. This profile can be cranked, curved and bull-nosed as per client requirements. The load span characteristics are dependent on application and product used.
Products | GI/GL | PPGI/PPGL | CR | Corrugated Steel Sheet |
Grade | SGCC, CGCC, SPCC, ST01Z, DX51D, A653 | |||
Standard | JIS G3302 / JIS G3312 / ASTM A653M / A924M 1998 | |||
Origin | China(Mainland) | |||
Raw material | SGCC, SPCC, DC51D, SGHC,A653, | |||
Certificate | ISO9001.ISO14001.OHSAS18001 | |||
Technique | hot rolled/ | pre-painted, hot rolled | cold rolled | pre-painted, |
Thickness | 0.12mm-2.0mm | |||
Width | 30mm-1500mm | |||
Tolerance | thickness+/-0.01mm | |||
T Bending | ≤ 3T/4T | |||
Anti-MEK Wiping | 100times | |||
Zinc coating | ≤275g /m2 | |||
Color options | RAL Color System or as per buyer’s color sample. | |||
Type of | 2/1 or 2/2 coating, | 2/1 or 2/2 coating, | ||
Coil weight | 3-8MT | 3-8MT | 12-13MT | 3-8MT |
Type | Coil or Plate | |||
Spangle | big / small / no spangle | |||
Hardness | Soft---full hard | |||
Supply ability(tons per year/production lines) | 550,000/5 | 450,000/6 | 280,000/4 | 280,000/4 |
Payment term | T/T; L/C; T/T & L/C | |||
Price | FOB/CFR/CNF/CIF | |||
Delivery time | around 10-15 days after T/T payment or L/C is received. |
Advantages of Zinc Roofs
Zinc roofs come with a raft of advantages:
Longevity: "Providing your roof is properly installed and detailed, zinc could offer a service life of between 60 and 100 years," says Trevor Corser from JTC Roofing Contractors
Corrosion-resistant: “Zinc roofs are extremely corrosion-resistant, too, and unlike other metal roofs they are self-healing. This means that any scratches on the surface will recover on their own over time,” says Trevor.
A good match: From an aesthetic perspective, zinc roofs blend well with slate roof coverings and are also an excellent solution for agricultural-style buildings.
Malleable: As a relatively thin building material (usually just 0.7mm), zinc can be shaped to follow interesting curves and angles, while still retaining its durability.
Quick to install is another benefit of installing a zinc roof system.
Low maintenance is also among zinc’s advantages. Aside from ensuring the roof is free from fallen debris such as leaves, little upkeep is required.
Zinc is 100% recyclable and environmentally friendly. Zinc takes less energy to produce than other metal roofing solutions because of its lower melting point. This means less energy is required to convert the raw material into a usable form.
Zinc is also weather-proof and is not degraded by UV light.
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