DIY Concrete Bathroom Vanity Top - Part I

I finally got started on the cast stone vanity top. I figure as a project, it's pretty manageable for my first time. Our vanity will be only 36" wide but will have two basins and two cut-outs for faucets, so the actual amount of concrete won't be all that much.

Step 1: Build the mold






This will be cast right side up. You can see a short video example of it here.

I lined the bottom of the mold with plastic and caulked all the joints. Step II will be to make the sink and faucet knock-outs from foam core, but this is as far as I got over the weekend.