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by Charles Darley

Commencement of the GRP Coatings

Before the GRP coating can be applied sanding down of the craft took place. Any small holes were filled by the use of small sections of glued dowell. The surface imperfections will be attended to after the resin coat has been applied.

The same part of the workshop as the picture above but an enclosure has been made up that can be heated with a small fan heater. GRP (Glass Reinforced Plastic) Resin needs to be applied in an environment with, if possible, the absence of dust and with a temperature of 20 degree Celsius. Humidity must also be low. During the day the outside temperature had only reached 15C with the humidity at 54%. This is outside the parameters for good GRP resin results, hence the reason for building the simple enclosure.

The resin is applied by a small brush trying to avoid where possible runs and thick application. Here the stern of the craft receives it first coating.

Coating the bow section. The part in the top of the picture has been coated and completion of the bottom is about to be achieved.

The craft is now enclosed in the "oven" with the fan heater at the far end. Curing of the first coat took 45 minutes before a second coat could be applied.

My two friends, Martin and David, taking a well earned rest from the GRP and sanding work that were commenced some 6 hours earlier !!!


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