Posted by Rog the Dodge on May 16, 2003 at 10:35:43:
In Reply to: Alucabond posted by Viviano V on May 13, 2003 at 19:59:33:
Alucobond is a sandwich cladding material comprising two thin sheets of aluminium (approx. 1mm thk.) separated by and bonded to an inert plastics core (approx. 2-5mm thk.). It requires a sub frame of steel horizontals and verticals (called or side secondary steel in the UK, girts in the US) and is usually connected in its flat form (I'll come to this in a moment) by a neoprene "top-hat" section with an applied neoprene pressure strip, sometimes called a "zipper". From memory, in its flat form Alucobond can't span much greater than 900mm in one direction. To get it to span greater distances the panel needs to have its edges bent back to form a tray or, as it is more usually known, a cassette. This provides considerable rigidity across the panel and stops it flexing or rippling. Again from memory, I think you can span up to 1500 in any one direction with a cassette. Cassettes, however, require a mechanical fixing to the side steel due to their greater weight. With the face material being aluminium you can get it any any recognised aluminium finish: anodised, PvF2 and in any colour. Alucobond has little or no insulant properties and should always be used in conjunction with an insulation liner tray.
But, for the full steer, you should look up them up on the net. Try the key words Booth-Murie, main UK suppliers.
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