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Thank you Al ..this time I have nothing laying around so to me it will be expensive..a guess would be 60 a square meter .... there was a product that was like your clip lock iron with insulation on it..that would be ideal I expect if you see to the air flow but the foam back would hold a lot of heat back for a start.. I see a structure that would be dangerous in any decent wind...now this sounds crazy but I am thinking ...and iron roof with a sprinkler system ... the water driven from the dam to the roof with a cheap 240 volt pump getting it's power from solar and the water collected by a gutter and taken back to the dam...which becomes a heated swiming pool...it's one thing stopping the heat but you really need to take it away hence the need for air flow....maybe a 12 volt pump running off solar panels and no battery...I have a couple of fans set up like that..but just water flowing over corrugated iron would carry away a lot of heat..
Again thanks your post has helped remind me of the fundamentals and most interesting your experience trying to bend iron..I suspected such as I had an 11 mt sections for the roof at the other place and although we were not trying to bend it just getting it onto the roof had us commenting that there did not seem to be any sag when one end was on the ground and the other end on the edge of the roof when getting ready to move it up.
The big car port with a proper roof, iron insulation and ceiling although expensive will probably actually be cheaper than trying to build a frame off the van..I would not like to bolt anything to the van it seems so flimsy..having a sprinkler on it would be smart for bush fire so not that crazy. Alex
Alex
Alex
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