The ‘ply-on-frame’ building method was developed in the 1950’s using mainly urea-formaldehyde adhesives on the then newly introduced wood medium – plywood. Many boats were designed for this relatively easy form of construction which became popular with professionals and DIY builders. Today ply-on-frame is still used, particularly on small racing dinghy classes designed originally in the 1950’s, but with the advent of epoxies, a simpler form of plywood construction was made possible using a reduced number of stringers or no stringers at all. Learn more.
