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Old April 25, 2019   #4
bower's Avatar
Join Date: Feb 2012
Location: Newfoundland, Canada
Posts: 6,790

Very nice!

I have a couple of pieces of this channel polycarbonate which we have only used for temporary structure/windbreak wall and it is still intact after the occasional use - I had no idea the lifespan is only ten years. I've always liked the look of it because of the insulating effect of the channel and also how light it is to handle, compared to the lexan which we used for my original greenhouse (the beams broke under an extreme snow load and had to be rebuilt). We chose that instead of the channel to try and make it as durable as possible, but iirc the channel at that time was more costly to buy here as well. One of the greenhouse walls is still the original construction and the lexan is as good as new after 25 years - but the panels that took snowload didn't fare as well - small cracks do lead to bigger breaks unfortunately.
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