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GifaFloor FHB18 Joins without Joists and no Edge Support.
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[QUOTE="Mmark, post: 964013, member: 53535"] I have an update with a useful document, which may help other customers in the future. This link is a detailed document on stress load testing and results for FHB 18 and FHB 32: [URL]https://www.ribaproductselector.com/Docs/4/233054/external/COL889433.pdf[/URL] It also matches what I've read else where. The point load capacity is for a maximum of 3mm deflection, to ensure the boards can be tiled on safely, and not the point at which they break. It seems the point of breaking will have a safety factor and be much higher. I suspect for a carpeted bedroom, with no through traffic I really shouldn't worry about it. The document shows the perimeter edges are actually slightly weaker than the T&G side joins, and that the loads go up to 6.9kn without breaking, well beyond the 2kn recommended capacity. So I'm feeling more confident now. For joins without support, does anyone know where GifaFloor rule for a reduction in load capacity of 50% comes from, how it was determined? Why they have that rule for FHB25 and above, and no data for this on FHB18? Also my searching finds that with chipboard T&G the main issues of unsupported end joins is sagging and creaking. In people's experience with this or similar products, does fibrous boards have similar or different issues, or does the fact they are stiffer make it less of a problem? [/QUOTE]
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GifaFloor FHB18 Joins without Joists and no Edge Support.
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