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  1. R

    a fresh coat of epoxy (repainting)

    I have an epoxy painted concrete pool that needs to be repainted. A few years ago I had the chlorinated rubber paint sandblasted off. I then primed to prevent traces of old paint from causing trouble. Then I applied 2 coats of Duraseal epoxy. That paint job worked out well, but its showing...
  2. R

    bonus solar isolation valves

    Thank you for the reply. The pitch is 4.4/12. The mats will need tie downs more for wind than for sliding. I'm probably overthinking the plumbing. I can just install an extra fitting here or there and get the project done. The concern then is things like ball valves going bad. So I'll use...
  3. R

    bonus solar isolation valves

    I have solar mats on the ground which I plan to move to the house roof. The solar lines between the pump and the house will run underground. There will be no way to gravity drain the lines at the pump and I'm concerned about winterization ( NJ ). Can you blow out pipes when there is a air...