He will use a piece of silicone rubber between the two cores so one face of the sidewall is in contact with the non stick silicone surface. The silicone mat provides a good seal around the wood so the urethane doesn't leak out of the channel.

I have a fair bit of casting experience making various parts for projects where I work. I like the trough concept and I think it can be streamlined to make quick and easy sidewalls. Perhaps look into TADCO urethanes, I've used 11D54 and 11D80 with good success. They can be dyed any number of colors,...

Over the last several months I've been working on modifying and updating an autoclave that the previous owner designed for building snowboards using CF prepreg and nomex cores. I've made fully adjustable tooling for modifying camber and tip/tail location. It's defently been a long process but the re...