Ken’s new holding tank is plumbed and secured in place with webbing straps, on facing page. He made a pattern for each side of the male mold, at right, and placed the mold on a laminate surface from which the laminated tank would easily release, below.

Its irregular shape dictated DIY Issue 82 : Jan/Feb 2012 My 1986 Pearson 28-2 had a rubber-bladder waste tank that had seen its day. After being filled and emptied many times since it was installed, i...