David, David and Warren:
Thanks for the supportive comments. I got my inspiration from a far tidier but similar roll off concept on IIS.
If it's only spiders, I don't mind, it's the Joe Blakes that tend to concern me, although not too many in this valley. Bit cold for them, plus I have two friendly goannas that live under my house slab....
The batteries in the pics are my present tie downs, using a ratchet strap over the roof, plan is to put a couple of strong ring bolts on the side walls and attach to existing bolts on the slab that were used for wind turbine pole guys in a previous slab life.
Now if I could only work out a remote close system.....
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