Hi All;

We're looking to improve our battery box construction, and are considering using 1/8" think polypropylene sheeting. I've used small premade boxes before, but this will be for a HUP install, and we would want to build the box around the batteries after. Does anyone have experience/ comments on welding plastic? The alternative would be to just seal the seams with acid resistant caulking. (silicone, Geocell, ?) I've had good luck in the past just using 10 mil plastic sheeting stapled up on the inside of a plywood box, but we will be scooting 1000 lb batteries around on it, so I don't think the sheeting will hold up.

Thanks,

--
R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

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