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19 replies
Strongest fastening in Leca?
read a bit more carefully now sorry misunderstood you. maybe you can manufacture a fastening plate in steel to distribute the load to a larger area and to several points. The top edge of the plate can be bent at 90°, then you can scrape off the joint between the leca stones then the plate hangs on the leca.
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If you want really cool fastenings in real concrete, it's usually anchor epoxy and sufficient anchoring length that apply.
If you want to fasten something in something as porous as leca/lightweight concrete, I can't imagine there's anything other than anchor epoxy that will work. It is available from many manufacturers.
If you want to fasten something in something as porous as leca/lightweight concrete, I can't imagine there's anything other than anchor epoxy that will work. It is available from many manufacturers.
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· Göteborg
· 11 174 posts
Yep. That's why Hilti's system felt convincing. As I said, I tested it myself with threaded rod (20cm fastening surface) and PU glue, and it's holding just like I want, except I'm not entirely sure about the long-term durability. A nut that's tightened digs down with a washer in the Leca, so it holds...for now.pjfj said:If you want really robust fastenings in real concrete, it is often anchoring compound and adequate anchoring length that are required. If you want to fasten something in something as porous as leca/light concrete, I can't imagine that there is anything other than anchoring compound that will work. It is available from many manufacturers.
The suggestions you've received should be enough... regardless of the solution, the lecan will give up before...
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