Martin and Lee talk all things GT30 Powerboat with Stuart Atlee, talented boat builder and long-time customer.

Talking about the methods for making ponds and pools from fibreglass. And Gary pops in for a chat about fibreglass production in the olden days.

In today's episode we are answering some of the most common questions around fibreglass, including: How long does fibreglass last? Is fibreglass waterproof without topcoat? How much does it cost to make a fibreglass swimming pool? how can you improve the adhesion of fibreglass to a substrate? What's the difference between gelcoat and flowcoat? What is styrene and why is it used in fibreglass? What is the best way to make a fibreglass mould? What is the best way to apply topcoat?

In today's festive episode we take a look at the history of GRP, and how glass fibres and resins were invented. We also investigate why glass fibres don't snap or shatter like panes of glass do.

A big Composites Cast welcome back to Wessex Resins' David Johnson who joins us again to share his wealth of knowledge in all things epoxy.

In today's episode Nick asks and Martin answers the 10 most asked questions about GRP Fibreglass Roofing including pinholes, pooling, condensation and more. We also talk about the new Ultraflex PU (polyurethane) roofing system.

In today's episode, we're talking about times when fibreglass has been used in crimes, and copyright issues around copying of parts. We also answer a question about repairing moulds and making new parts, and we are visited by Gary Bates with some tales of East Coast Fibreglass and it's manufacturing history. And how Bob dealt with the horse that got into the factory.

Today we are joined by Wessex Resin's David Johnson, a well known expert in boatbuilding and resins.

We'll have to have him back another day as we barely touched the surface of his encyclopedic knowledge!

Today we discussed, among other things, the new West System 207 hardener formulation, preparation of wooden surfaces, the importance of fine margins in achieving superior results and a few common user problems.