Catamaran Stand Up Paddle Board (SUP)

This is a fiber glass catamaran stand up paddle board or simply SUP. SUP boards are more related to a boat like construction rather than a surfboard. The sport of stand up paddle boarding came about in the era of surfing. It is a much larger board used along with a paddle in a standing fashion, to explore, race or surf. The shape and weight will be more determining of what the board is suitable for. This particular model I designed for a fast, long distance, touring style. My board is 12'6" long by 28" wide and weighs around 30-32lbs. The catamaran shape is great for a more stable board. I have not surfed with it as of yet and it is not suitable for a race that has many turns due to the lack of surface area in the rear (the method used to turn a sup is shifting the weight to the rear, raising the nose). Hope you enjoy! Btw:  Eventually I would like to create these completely hollow. If you like what you see, I would appreciate any help. Below is a link on how you can help. Thank You!!!

Buy Blue insulation foam. Panels are 4x8 feet and about $14. You will need 3-4.

Once you have traced a design you like, sketch it on the foam. Measure twice cut once!!

Before any glue is used, place the pieces together to make sure they fit correctly.

I used water resistant glue since it will be glassed later anyway.

Once the basic shape is glued and pieced together you will need to make the top and bottom of the pontoons.

Once it is fitted and glued. Begin shaping. I used 150 grit sand paper.

Repeat the steps for the second pontoon.

Join the two pontoons.

Add a deck to stand on.

Shape using sandpaper. Take your time.

I added a rounded edge underneath to ease with glassing.

Add fiber glass. Use two part epoxy.

After adding 2-3 layers of fiber glass prepare fin boxes. Research angles for the size you are building. Also add any leash holds or net holds at this time.

Design a color scheme and begin painting base color first.

Continue with your design scheme. I chose a post apocalyptic look.

You can finalize with a thin 4oz fiber glass to seal the images or glass with epoxy alone. Add the epoxy with a brush and add 3 layers total. Let the epoxy sit for 3 hours exactly before its cured to add the next layer.

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