5

I would not paint the copper. If you ever need to repair it, paint would be one more problem on making a good leak free connection. If you want to cover the pipe, use foam. Remember, copper water supply’s are quite common direct burial, the sun and elements won’t hurt it. I suggest insulation, if in a location that the temps drop below 27°F. (Yes water ...


1

I have several different types , it depends on the job, the longer the job the better quality you want. I use for example painting a meat locker with an alcohol based paint I was expecting 6 hours so I paid more for a brand that had a lower resistance (work of breathing) that took all the nastys out. And similar with high VOC paints, their are times we need ...


1

LeakSeal, pruning seal, roof cement, or an outdoor epoxy finish would provide the most lasting durability. Each is prone to eventual failure though. If the entire thing is constructed of 2" thick wood, it would probably last a few years before rotting through left as-is. I know organic gardeners sometimes use normal 2*6s to build raised beds.


1

I'm not saying this is the best, perfect solution, but if you do want a paint to protect the inside of the planters and not harm the plants, you can use a spray on "pruning seal" product. It's designed to seal up large wounds in a tree, but the spray can will also mention spraying the inside of a planter to waterproof it. I've used it before to waterproof ...


Only top voted, non community-wiki answers of a minimum length are eligible