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Author Topic: building the dome  (Read 786 times)

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Offline Ian Straton

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building the dome
« on: 14:28:29, 10 October, 2016 »
After a spring/summer of no progress My observatory has finally made it back onto the acceptable jobs list!  I am now coming up to the construction of the actual dome, because of the size of the dome (3 metres diameter) it is important to keep the weight down so I am going for a system of skeletal ribs covered with fibreglass to add waterproofness and structural integrity. 

However since fibreglass is nasty stuff to work with I was wondering if anyone had any suggestions for alternative materials that could be substituted?

Offline Atik Man

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Re: building the dome
« Reply #1 on: 18:53:57, 12 October, 2016 »
Why not try very thin gauge galvanised sheet or Ally... The other material i've seen used is waterproof hardboard with a thin topcoat of glass fibre..


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