4
votes
1answer
814 views

Is it okay to use silicone sealant on plexiglass?

I've installed an air conditioner in a large horizontal sliding window, and I've used plexiglass to block off the space above the unit. I'd now like to seal the edges of the plexiglass pane to prevent ...
0
votes
2answers
336 views

How can I join PVC pipe in a food safe way?

I want to close a rectangular vertically mounted pipe with a piece of flat PVC plastic. I will use the pipe for growing herbs on the wall outside my house, so it needs to be non-toxic. I was thinking ...