On Oct 17, 9:55 pm, Caesar Romano wrote:
On Tue, 16 Oct 2007 22:51:02 -0700, AussieRich
wrote Re Home made rain water tank:

These tanks are old technology and simply curved corrugated metal
riveted together.

How do they seal the seams? That would be crucial.

Hey,

They seal the seams with a silastic/silicone type sealer, such as roof
and gutter sealant, this stuff is guaranteed for 20+ years

Rich