News at Aussie Stainless Design
All numbers & letters can be glued to any wall with silicone neutral cure or sikaflex, both available from the hardware store.
It's your choice how to fix them, we can supply them with fixing-holes if requested.
Near the coast all s/s even marine grade 316 can get tea staining, small rust spots. Tea staining can be prevented by regular cleaning with a proper stainless steel cleaner.