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Is it necessary to put the top hat section into the Interlocking Panels?

VMZinc Interlocking Panels

We get a lot of calls from customers and clients asking about this. The direct answer is yes. The top hat section is there to provide space from your vapour barrier (breathable paper attached to the wall frame) and to allow good air flow between the main structure and the external cladding.

This not only delivers a better cooling process to the building, but also gives your cladding material of choice longer life by separating it from any condensation. Another big point to always remember is: no gap, no warranty from VMZinc. There is no requirement on this with Copper and Colorbond, although we must insist that it is done for any products coming out of our shop.

VMZinc have documented this in the procedure manual and state that if this is not done, they cannot warrant their material. The bottom line: top hat your wall for interlocking panels, every time.

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VMZinc Ace Gutters Stramit Velux Skydome Solatube Colorbond Bluescope Steel KME Copper Proctor Wrap DEKS Ecolife Solutions Freund Ampelite Buildex Karben-Industries Soudal Stinger


Prestige wishes to advise the following. That all metals will expand and contract at different rates. This expansion can and will move adhesives overtime and can result in a natural wave to a metal materials. This is not a defect but a natural occurrence when working with sheet metal. Prestige will work to the closest of tolerance but reserves the right to a margin of 2.5mm tolerance on products and services provided. Prestige can not warrant nor accept any responsibility on any product once removed from the main premises of prestige for external treatment or other applications out side of the original manufactured state, not limited to the unknown use of products after purchase.