How to Laminate a Surfboard by Hand

A shaped blank is only a promise.

Lamination is the stage where it becomes a surfboard, as fibreglass cloth and resin wrap around the foam, turning a shaped blank into a finished board built to handle the demands of regular surfing. Learning how to laminate a surfboard by hand can look intimidating from the outside. One shot, no undo button, resin already curing in the bucket.

Broken into stages, it is a sequence of simple moves performed in the right order, and each one can be practised.

Set Up Before You Mix Anything

Half of how to laminate a surfboard well is decided before resin ever leaves the bucket. Work in a clean, dust-free space within the temperature range recommended by your epoxy manufacturer, away from direct sun and sudden temperature changes.

Lay out everything within arm’s reach: gloves, mixing buckets, scissors, a laminating brush for the laps, and a proper resin squeegee. A resin squeegee with a clean, undamaged edge matters more than beginners expect, since every nick in the blade can drag a line through the lamination.

Once the resin is mixed, the clock is running. Walking away mid-pour to find scissors or other tools is how dry patches happen.

Cutting And Laying The Fibreglass Cloth

A common starting point for many first boards is a single layer of 6oz cloth on the bottom and two layers on the deck, although the ideal schedule depends on the board design and how it will be used.

Roll the cloth out along the board, leaving 50 to 75 mm of overhang past the rail for the laps, and cut relief slits at the nose and tail so the cloth folds around the curves without bunching.

 

A 4oz E-Glass cloth wets out quickly and becomes fully transparent, making it a forgiving option for learning. Smooth the dry cloth flat with your hand before any resin touches it. Wrinkles do not disappear under resin; they become part of the finished laminate.

Mixing Laminating Resin Without Guesswork

Over an EPS blank, epoxy resin is the only suitable option, since polyester resin reacts with and damages EPS foam.

Epoxy resin is a two-part system consisting of a resin and a hardener. The two parts must be measured at the exact ratio specified by the manufacturer, not by eye or “close enough”, because an incorrect laminating resin ratio can prevent the epoxy from curing properly.

Mix slowly for the recommended time, usually around two to three minutes, while scraping the sides and bottom of the bucket. Keep an eye on pot life. A large amount of mixed epoxy in a bucket generates heat and cures faster than the same resin spread thinly across a board.

How to Laminate a Surfboard in One Pass 

Pour the resin along the centre of the board in an S pattern, then spread it out with the squeegee held at a low angle.

You are wetting out the cloth, not scrubbing it. Let the resin soak through the weave, and watch the cloth change from white to glass-clear as it becomes saturated.

Aim for a laminate that is fully transparent but not flooded with excess resin. Starved cloth leaves dry areas, while excess resin adds unnecessary weight and can create runs.

Work the flats first, then move resin towards the overhanging cloth and fold the laps under the rail with the brush. Keep steady tension so the cloth sits neatly against the board.

Respect The Cure Time

Then leave it alone. 

Touching a green lamination too early can leave marks that become permanent once the resin cures. Cure time depends on the epoxy system, hardener speed, temperature, and working conditions, so follow the manufacturer's recommendations before flipping the board or moving to the hot coat.

Even in Bali, a cooler evening or higher humidity can slow the curing process compared with warmer, drier conditions.

A properly cured lamination also provides the foundation for installing your surfboard fins. Fin plugs and boxes are bonded into the board structure, so a resin-starved laminate around the tail weakens the area that carries fin loads through every turn.

Wet that section out properly during lamination, and the fin installation later becomes a straightforward part of the build rather than a repair job.

A Shaper’s Tip  

Nobody learns how to laminate a surfboard perfectly on the first board.

A fisheye, a dry patch under the lap, or a drip line on the rail is normal, and many small imperfections can be corrected during sanding or covered by the hot coat. Mix a small test batch on scrap foam before committing to the blank. Ten minutes of practice with the squeegee is worth more than an hour of reading.

From Blank To Board

Get the setup right, cut the cloth cleanly, mix by weight, and keep the squeegee moving. Learning how to laminate a surfboard stops feeling like a leap and becomes a repeatable process that improves with every board.

Every cloth, resin, and tool in this guide is stocked and used daily by Shapers Surf Co. Bali, a short drive from the shaping bays it supplies. The full range is available in the glassing collection, from fibreglass cloth and laminating resin to squeegees and other essentials for a first lamination or a production run.