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Fiber reinforced composites

Modern canoes are generally constructed by layering a fiber material inside a "female" mold. Fiberglass is the most common material used in manufacturing canoes. Fiberglass is not expensive, can be molded to any shape, and is easy to repair. Kevlar is popular with paddlers looking for a light, durable boat that will not be taken in whitewater. Fiberglass and Kevlar are strong but lack rigidity. Carbon fiber is used in racing canoes to create a very light, rigid construction usually combined with Kevlar for durability. Boats are built by draping the cloth in a mold, then impregnating it with a liquid resin. Optionally, a vacuum process can be used to remove excess resin to reduce weight.

A gel coat on the outside gives a smoother appearance.

With stitch and glue, plywood panels are stitched together to form a hull shape, and the seams are reinforced with fiber reinforced composites and varnished.

A cedar strip canoe is essentially a composite canoe with a cedar core. Usually fiberglass is used to reinforce the canoe since it is clear and allows a view of the cedar.