[RE-wrenches] Acid containment

[frenergy]

Kirpal, Allen, Dana, Benn

        Yes, I'm curious about sealing laps, joints, corners, etc also.   I've seen the PVC shower pan material...we'll see if its wide enough for our application, I always banked on about 3" up the side of a battery box would hold many gallons of acid.   Benn, I did a search on this in the Wrench archives and someone mentioned the spray liner would soften (and then fail?) over time when exposed  to acid.

Bill
  ----- Original Message ----- 
  From: Benn Kilburn 
  To: RE-wrenches 
  Sent: Monday, March 30, 2015 9:48 AM
  Subject: Re: [RE-wrenches] Acid containment


  Allan,
  How would you deal with a seam that happens to lay within the containment area?  Do you seal/adhere it somehow? With what?   Or do you find that you can get the liner sheets large enough that you just 'stuff it in' (for lack of a better term), and then in the corners do you just double it over to make a tight fit? Or make cuts in the corners...?
  Thanks,

  Benn Kilburn
  SkyFire Energy Inc. 
  780-906-7807



  On Mar 30, 2015, at 10:26 AM, Allan Sindelar <allan at sindelarsolar.com> wrote:


    Bill,
    We have lined plywood boxes with either EPDM roofing membrane or vinyl pond liner, depending on local availability, and both have worked well. Being a flexible sheet, it is folded up the sides and stapled above the containment zone.
    Allan


    Allan Sindelar
    allan at sindelarsolar.com
    NABCEP Certified PV Installation Professional
    NABCEP Certified Technical Sales Professional
    New Mexico EE98J Journeyman Electrician
    Founder (Retired), Positive Energy, Inc.
    505 780-2738 cell
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    On 3/30/2015 10:03 AM, frenergy wrote:

      Fellow Wrenches, 

             I just called Tap Plastics hoping they would solve my problem of battery acid containment within a plywood battery box.  I was surprised by their response that the acrylic was not impervious to acid and polyethylene would not work because sealants nor caulking adhere to it properly.  They did not have anything that would work. 

             I've used those individual battery boxes from an auto parts store (~$12/each) but they take up more space than just the batteries.  Has anyone ever used ice dam underpayment, like Grace? Better idea? 

      Thanks for any advice, 

      Bill 
      Feather River Solar Electric 

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