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David, Mark and others
Sorry to bother you but I think my observatory is arriving next week and I wanted to ask specifically what was the method of fixing the panels to the deck. I have hardwood decking on a permapine (ie not hardwood) deck. The deck is very solid as its constructed from 200x50 sleepers al la JohnG's design. But I was wondering exactly what bolts/screws or what ever was used to afix the panels to the decking. Actual measurements of screws and washers would be of massive assistance. I affixed the actual merbu decking to the deck using spiral nails which I can garantee will never pull out, but want to make sure that the panels dont pull off the decking. Did you afix the panels to the decking or go through that to the actual supports below the decking ie the bearers?
Again many thanks
Allan
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