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Old 07-02-2019, 05:03 PM
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Jen
Moving to Pandora

Jen is offline
 
Join Date: Jan 2008
Location: Swan Hill
Posts: 7,095
Quote:
Originally Posted by Paul Haese View Post
Hi Jen,

when ASSA built our the new turret at Stockport, we used a steel rack which is 7mm thick and mode 8 tooth spacing. Using plastic or cast racks will not survive if the load of the roof is too high. I suspect your roof is very heavy as the shutter on our roof is 400kg and it is flat, 5 metres long and only 2 metres wide. The rack we used was the minimum calculated by our engineer to bear that load.

I am sure you will get this sorted but thick steel is the way to go in this instance. You can get them cut via engineering firms which laser and computer cutting.
thanks Paul hopefully the builder will get it right eventually
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