1. RockIsland

    To foam or not to foam?

    I've started making a waterfall for a small stage. The frame is 1x4 and 2x4 construction covered in chicken wire. I'm using 3 sump pumps for a water source. There will also be a small pond for the water to fall into and the source of water for the pumps. The entire structure is 12ftx12ft and...