How to remove old plastic pool deck sleeves. 1 1/4" hole in concrete. Sleeve is 4" deep. Broken at the top, no flange left on top.
I'm wondering if there's a practical method of recognizing what kind of plastic a given thing is made of. This is a recurring issue I face when trying to fix/glue/work-with plastic stuff around the ...
Another set of questions in context of my home-brew solar water heater: Can poly-plastic water storage tanks, be used to store hot water (140deg F / 60deg C) ? How can I thermally insulate a 50 ...