Just curious, when restructuring my stand in a couple of weeks I'm looking at all options. This would be a little more expensive than treated lumber stretched across blocks, but it sure would last a good while. Any thoughts?
I would not try it. I built a deck using TREX and even 1" thick planks will bend and are much more flexible than normal pressure treated lumber of similar dimension. They become more so when heated in the sun in the summer. Go to Lowes and pickup and end of one and you will see what I mean. They are durable though.
I looked into it but have yet to decide one way or the other. I like the durability and rot resistance but I think the cost and other negatives already listed are keeping me from going in that direction. I'm looking forward to seeing what others have done and how they like it (or not).
Just use landscaping timbers. I make 8 foot runs using 2 timbers with a 8" cinder block at both ends and 1 in the middle. Ain't no sagging with those timbers and cinderblocks. Bee sure to turn the blocks holes side up (and down). That's the strength of the block.
I recently re-built both my screened bottom boards to allow for SHB traps to slide in using AZEK (PVC). Gives me a little piece of mind knowing they won't rot, the bees could not care less and it's easy to work with. That being said, the boards the hives sit on are still wood. Once it rots, I'll likely replace with synthetic.
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