electricskywalker t1_j9yf20m wrote on February 25, 2023 at 2:05 PM

Reply to comment by Im_A_Model in Hanging heavy oak shelf on aerated concrete by Im_A_Model

Hilti HY-200A adhesive with threaded rod. You can get threaded rod to match whatever anchor the shelves came with. For aerated concrete you should get the mesh sleeve as well. If its outdoor get the hot dip galvanized threaded rod.

onlym3 t1_j9yqwi6 wrote on February 25, 2023 at 3:36 PM

For oak I was always told to go for stainless rather than galvanised (idk if it's a US/UK nomenclature thing) as the oak will corrode anything other than stainless, particularly if there's likely to be any water involved. I have also confirmed this through slightly painful experience!

nsa_reddit_monitor t1_j9yzwde wrote on February 25, 2023 at 4:38 PM

Stainless steel is stainless steel, galvanized steel is steel with a zinc coating. Stainless is much more expensive but also more resistant to corrosion than galvanized, which costs almost the same as normal steel.

LancsMak t1_j9z6dla wrote on February 25, 2023 at 5:21 PM

Sort of. The tannins in oak will react with iron which is why stainless is recommended. You'll get unsightly black marks on the steel and the oak surrounding it.

electricskywalker t1_ja196g3 wrote on February 26, 2023 at 2:14 AM

TIL! Thanks that's great info. I really only deal with metal, but this could definitely be good to know in the future.

GodlyLeach t1_j9zq3vo wrote on February 25, 2023 at 7:30 PM

This, but I recommend something other than Hilti if you want to save some money. There are plenty of alternatives that will do the same thing without the Hilti brand premium you pay $$$.

electricskywalker t1_ja353d5 wrote on February 26, 2023 at 2:28 PM

You're not wrong that its expensive. I order pallets of it regularly for work and I've used it in this exact condition and had the connection engineered. I almost always go with what our engineer recommends, he is excellent.