< Galvanised Lintels
| Advantages of Post Galvanising |
Corrosion Protection
All Supergalv lintels are protected by hot-dip galvanising the complete lintel after fabrication. This process out performs all other protection systems by:
- Fully protecting every surface, cut edge and weld with a metallurgically bonded zinc coating, where other systems actually remove zinc during fabrication and do not provide full protection to all surfaces.
- Creating a build-up of zinc coating at the most vulnerable points (edges etc.) which are more susceptible to damage on site and are the least protected in other systems.
- Depositing a minimum mass of zinc coating of over 920g/m² in a metallurgical bond over the base steel.
- Optional 'Ultragalv 2000' corrosion protection system. This achieves a coating weight of 2000g/m² by shotblasting the steel prior to galvanising. This is up to 7 times more zinc corrosion protection than other lintels, and the life of a zinc coating is directly proportional to its thickness.
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Life to First Maintenance Chart
Based on category 3 exposure (moderate to severe), as defined by 'Galvanisers Association' (1.5µm per annum Zinc corrosion rate). |
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