Yeh, right....Has anybody heard about plastic beams instead of RSJ's? Somebody was telling me about them there meant to be just as strong but are a lot lighter and easier to manage.
Yeh, right....Has anybody heard about plastic beams instead of RSJ's? Somebody was telling me about them there meant to be just as strong but are a lot lighter and easier to manage.
The principle that you talk about is fine, in theory; the reality of constructing it correctly means much more fiddling about than lugging up some standard joists and cutting them to sit on the bearings. That's why no sensible/practical SE's would suggest this as an alternative.I wonder why box beams or similar in-situ beams from some timber and sheets are not popular ?
I would have thought taking the small, light bits of timber and sheet and knocking something up in the loft would be the easiest thing to do. But no-one seems to do it
Have you ever seen the price of carbon fibre?Found some info on a thing called Fibre Reinforced Plastic Joists(FRP). So there is something out there. If it's carbon fibre surely the carbon fibre would be fire proof.
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