Surfboard Design

Many surfing aficionados often wonder exactly howmay use as many as five or even ten different
the board they are riding was built. The process ofboards for different surf styles and beaches.
surfboard design and construction is surprisinglyAlthough there are certainly many brands offering
complicated today, especially when you consider thatstandardized and mass-produced boards, the highest
the surfboards used a century or two ago werequality surfboards are individually crafted by talented
literally boards cut from a single tree trunk.surfboard makers. Although techniques vary from
While for centuries surfboards were solid wood, theone builder to another, most surfboards are built one
modern era of surfboard design began in 1946, aat a time starting with the formation of the foam
date which marks the first fiberglass surfboardcore. Known as a blank, most surfboard builders form
design. This early style consisted of two hollow,this core in a large mold that is roughly the shape of
molded pieces with a piece of redwood running downthe finished surfboard. Liquid polyurethane is poured
the center for stability. In 1949, the first board with ainto the mold in order to form a dense foam. Once
Styrofoam core was built. This buoyant center wascooled, the surfboard core is removed from the
enclosed not by fiberglass but by thin sheets ofmold.
plywood sealed with resin. The first truly modernNow, the core is cut in half, from the nose all of the
boards were built beginning in 1958. These surfboards,way to the tail, to allow for the insertion of the
designed by Hobie Alter, were produced with astringer. The purpose of a stringer is to provide
polyurethane foam core and fiberglass shell. Today,stability, keeping the board from snapping in half.
nearly every surfboard design uses this mode ofGlued between the two halves, the core is then
construction.clamped back together.
Typical surfboards sold today have a polyurethaneNow, it's time to finish the shaping of the board. The
core, surrounded by fiberglass and polyester resins.outline is cut and then smoothed into its final shape.
Often, a redwood stringer, or stabilizer is containedSome builders use computer-guided machines to do
within the core. The fin of the board is made eitherthis, while many surfboard builders often use only
of wood or of laminated fiberglass and resin layers.their experienced eye to guide the shaping process.
While this basic construction has remained the sameThe blank is now ready to be covered in a fiberglass
for many years, the shapes and styles have certainlyand resin shell. The core of the board is covered with
changed. Over the past few decades, boards havea fiberglass cloth, and then a layer of polyester
grown shorter and longer several times, with popularlaminating resin. When done, the leg leash and fin are
designs including one fin, two fins, or three fins.attached to the board. During the final finishing
Today, surfboard makers continue to experiment inprocess, excess resin is sanded away, leaving a
the search for the perfect board. Serious surfersglossy and perfectly smooth coating.