07-25-2010, 07:49 AM
Gary,
I ended up using a 3 3/4" wide section of sheet plastic as the lining for my canal bottom. While I don't have the exact photo at hand, I initially wanted a canal that was similar to Lance Mindheim's East Rail layout. However, Lance used only 3/4" foam and I already had 2" glued down to wood. I ended up having to build up the canal bottom with wood sheets to get to the roughly 3/4" depth. Once completed, I used sheet plastic glued to the wood to finish off the canal bottom to obtain the smooth surface for either Envirotex or just a triple step varnish. I then angle cut the foam canal banks and used a drywall mud over that. Once hard, the foam banks and canal bottom base were sealed together. I'm not sure but the gloss varnish may attack exposed foam. Doctor Wayne would know for sure.
Larry
![[Image: IMG_0045.jpg]](http://i136.photobucket.com/albums/q166/ROADMAN_2006/IMG_0045.jpg)
I ended up using a 3 3/4" wide section of sheet plastic as the lining for my canal bottom. While I don't have the exact photo at hand, I initially wanted a canal that was similar to Lance Mindheim's East Rail layout. However, Lance used only 3/4" foam and I already had 2" glued down to wood. I ended up having to build up the canal bottom with wood sheets to get to the roughly 3/4" depth. Once completed, I used sheet plastic glued to the wood to finish off the canal bottom to obtain the smooth surface for either Envirotex or just a triple step varnish. I then angle cut the foam canal banks and used a drywall mud over that. Once hard, the foam banks and canal bottom base were sealed together. I'm not sure but the gloss varnish may attack exposed foam. Doctor Wayne would know for sure.
Larry