@stigs2cousin Thanks for the input. I have looked at aluminium profile as well but it's more than double the price (perhaps even treble).
At work we use unistrut to mount cameras to sports venues, and we require absolute rigidity for that application. I'll use the 41x41 heavy duty strut that I've worked with before to be safe. I'd argue it's as future proof as aluminium profile as both can be bolted at any point. If you want to expand you just bolt another bit on wherever needed. There are also absolutely loads of accessories/different types of brackets for strut.
The main drawbacks I can foresee are weight (steel is heavier than aluminium) and this may dull the effect of a base shaker if I ever add one, aesthetics, and difficulty to cut if I need to adjust a length. My hope is by painting black and capping the ends it won't look too monstrous. I may need to buy a special saw blade to cut it though, so hoping if I get my measurements right on paper it won't be necessary.
At work we use unistrut to mount cameras to sports venues, and we require absolute rigidity for that application. I'll use the 41x41 heavy duty strut that I've worked with before to be safe. I'd argue it's as future proof as aluminium profile as both can be bolted at any point. If you want to expand you just bolt another bit on wherever needed. There are also absolutely loads of accessories/different types of brackets for strut.
The main drawbacks I can foresee are weight (steel is heavier than aluminium) and this may dull the effect of a base shaker if I ever add one, aesthetics, and difficulty to cut if I need to adjust a length. My hope is by painting black and capping the ends it won't look too monstrous. I may need to buy a special saw blade to cut it though, so hoping if I get my measurements right on paper it won't be necessary.
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