The Art of Shaping a Surfboard

Shaping my own surfboard

I’d always known that shaping a surfboard was an art form, but not until I had the opportunity to shape my own board did I truly appreciate it as so.

For our wedding, my now-hubby and I decided to do something a little different for our guestbook. We wanted to honor our guests with something we would still show off years after the wedding, and not just tuck away on a shelf until… well, whenever married people actually looked at their guestbooks again.

After working with a local shaper last summer to design my shortboard, I was intrigued with the whole process. My first board, a 9-foot longboard, was simply handed to me as I had no idea what I wanted to start surfing on. But as I progressed to a shorter board, I became more particular about the shape, the size, the fins… and working with a shaper, I actually had a say in the making of my own board.

When we were planning our surfside wedding in Baja, Will and I came up with all sorts of silly ideas to tie in the surf theme somehow, from having a paddle-out for our ceremony to riding off into the sunset on our surfboards. But the one idea we kept coming back to was hand shaping a board (our first splurge as newlyweds!) and having all of our guests sign it.

It’s incredible when you really think about it… In what other sport can you actually make your own gear using the most minimum of equipment? Sure, you can build a canoe out of wood or fashion a pair of snowshoes à la Bear Grylls, but to match the quality of your professionally made gear would require a fair investment in time and money.

But with a surfboard? Your custom creation can ride the waves within a week, and just as well as a shop board.

A few weeks before our wedding, we booked a private lesson with Shaper Studios, a Southern California-based studio that offers shaping classes as well as shaping bays for aspiring and veteran shapers alike.

Before coming in for our class, we’d decided on a 7-foot-6 egg based on the classic Cooperfish Comet shape — thick nose, low rocker, pintail — suitable for surfing small, mushy waves but easily maneuverable for bigger, steeper days.

Every surfboard starts out as a foam blank, and the foam we chose, EPS, is a closed-cell expanded polystyrene — the same styrofoam you keep your beer in.

Every surfboard starts out as a foam blank

It didn’t look like much in the beginning, so our first step was to pare it down into the shape and size we wanted. It’s mind-boggling to think of all the things that go into the making of a board… length, width, thickness, concave, hull, rocker, rails… all the nuances that make it ride a certain way.

Our instructor, Lee, discussed every possible detail with us, including final fin placement and even the type of glass to go over it (a resin top coat that seals the board). Even the tiniest of details (or so I thought) were decided down to the nitty gritty.

Once we plotted out the perfect board, we measured the foam a million ways and traced a template based on where we wanted the rocker (the curve of the board from nose to tail). For such a simple shape, a lot goes into making sure it stays symmetrical on either side of the stringer, which is a wooden strip that runs down the middle and gives a surfboard its strength.

Tracing a template onto the foam

Making sure the board is symmetrical on both sides of the wooden stringer

Finally… we have a template!

Surfboard template

As Will cut out the shape with a jigsaw, I secretly hoped he wouldn’t accidentally turn our surfboard into a boogie board! Steeaady… steeeeaaaady…

Sawing off the excess foam

Sawing off the excess foam

Once the blank was cut, we shaved down the edges using a surform — basically, a glorified cheese grater.

Shaving down the edges with a surform

Since we were so nervous about sawing too close to the template, we had quite a bit of work in whittling the foam down to the outline. This is where working as a team of two came in handy… We got more of a workout doing this than if we’d actually been surfing!

Using surforms to grate away the excess foam

After the foam was sheared down to the proper shape, we finetuned the edges with a sanding block.

Finetuning the edges with a sanding block

If you’ve ever looked at pictures of other surfers’ shaping bays, there is a reason why most shaping bays are painted blue, and why fluorescent lights are hung at waist level. The flat, mid-toned paint offers good contrast against the white foam, and the horizontally mounted lights help you see shadows from any irregularities in the foam while you work. All of a sudden, bumps and slumps appear in places you typically can’t feel with your hands.

Looking for shadows from irregularities in the edges

Shaping involves a good deal of sanding, and half our day was spent sanding. We obsessed over sanding our first edge evenly, and then we realized we had to make the other edge the same. With Will’s perfectionist Virgo-ness and my Gemini eye for detail though, I think we had both sides aligned right down to the nanometer!

Sanding the edges smooth

Sanding the edges smooth

This stuff is messy business — there was foam everywhere! In my shoes, down my shirt, on my face, even inside my ears. It looked like a snow globe inside the bay.

Foam everywhere

It looked like a snow globe inside our shaping bay

After sanding… and more sanding… and more sanding… it was starting to resemble a surfboard!

After much sanding, it was starting to resemble a surfboard

Using a planer, we shaved off the “skin” of the foam — the outer layer of a raw piece of foam.

Shaving the skin off the foam

Planing the foam

Planing the foam to the proper thickness

We planed the foam a few more times from top to bottom until it was just the right thickness (as measured by this groovy pair of calipers).

Measuring the thickness of the board with calipers

To create a hull under the nose (a shape similar to the bottom of a boat), I planed the foam in a series of stepped arcs.

Creating a hull under the nose

Will sanded it smooth, and though that little tweak was so subtle, you could actually see the gradation of the hull if you looked at the board closely at eye level.

Sanding the hull smooth

Moving on to the edges, we used some simple calculations to measure the transitional radius on the rails and help us figure out how much of a curve to create. Rails can be soft or hard, full or pinched, 50/50 or 60/40 or what-have-you, and a combination of all those traits dictates how well your board leans on edge and cuts through water. I still don’t fully understand it all!

Measuring the transitional radius on the rails

Brandishing our surforms, we each took a side and grated away. It was a little daunting because hand shaping is never a perfect art, but miraculously, our sides matched perfectly… if I do say so myself!

Shaping the rails with surforms

The start of our rails

We smoothed out the hard edges for a more natural transition from edge to edge, and before long, the rails were starting to take shape!

Rounding out the rails

Shaping the rails

In our final step of rail shaping, we used plain old sandpaper to round out the edges. The lines were getting smoother, and we were getting more excited!

Rounded rails

Our Virgo and Gemini traits were out in full force. We wanted nothing less than perfection. No hills, no dips, just a smooth, solid curve from tip to tail. It went something like this: Run a hand along the rail, sand, sand, sand. Run a hand along the rail, sand, sand, sand. Repeat another hundred times.

Sanding the rails smooth

Sanding the rails smooth

Sanding the rails smooth

Ahhh, look at that rail. Smooth as a baby’s butt!

Smooth as a baby's butt

To finish, we used a spokeshave to whittle down any part of the stringer that was sitting above the foam.

Using a spokeshave to whittle down excess wood on the stringer

Smoothing out the stringer with a spokeshave

Six hours later, we still couldn’t believe that we’d taken a block of foam and turned it into this…

Amazing how a block of foam can look like this just six hours later

And finally… our masterpiece! The first-ever surfboard from Casa Taylor, ready for finning and glassing (which we’re having Shaper Studios do for us… because those two things alone would require many, many more hours of a totally different lesson).

The (almost) finished surfboard

There’s nothing quite like building a board with your own two (or four) hands… It’s like being back in eighth-grade woodshop, only cooler. And messier. And much, much more addictive. I’m already thinking about my next board and saving up my pennies for it!

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February 11 2013      3 comments     Linda Ly
Aventuras

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