Applying seam sealer
This is a typical example from the video both showing how to carry out a task and about choosing the right product.

Fitting filon
This shows Gene attaching the filon prior to gluing.

Applying reinforced putty
Using fibreglass reinforced plastic putty over a reinforced section repair

Spraying contact adhesive
Gene sprays the cut luan plywood with contact adhesive before gluing to a foam base.