Been prepping the inside of the trailer for installing the floor. I needed to do some repairs to the holding tank flanges. I broke the one where the vent attaches on the black tank. The toilet flange had come off the tank about half way around where the solvent had let loose, and the grey water inlet had cracked the tank about 1/3 of the way around because I let the long pipe going to the sink drop and it stressed the joint.
Ended up buying one of these plastic welders at Harbor Freight:
It works by heating a stream of compressed air. It's not exactly like welding - it's more like pushing soft pieces of plastic together, but it works. Not sure if the repair is watertight, so I'll coat it with a sealant, but mechanically, it's better than the original tank surface.
I have some (poorly repaired by the previous owners) cracks on the bottoms of the black and grey tank that I hope to repair to watertight condition, but that can wait...
Anyhow, the tanks are repaired, and the wood pieces that go over them are marked for cutting. I'll cut them tonight, seal the repairs, put in some foam insulation, and screw down the panels into the floor.
Then I'll put down some 5.2mm exterior luan, and glue down some vinyl sheet flooring we picked out at Home Depot.
Then I can put the fridge in, which will let me put the door on, which will let me do some leak testing. Whoo Hoo!
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