A frequent complaint I hear from amateur boatbuilders is the dificulty they experience removing excess cured epoxy from glued joints, glass cloth, and fillets. Most people seem to attack the epoxy with a power sander or a chisel, but not only does that make an unpleasant job time-consuming - it also generally results in damage to the surrounding timber.The use of masking tape alongside glue joints goes a long way towards keeping the job clean, but it is inevitable that clean-up of cured epoxy will have to be done frequently. I have attached a short video clip explaining the use of a heatgun and scraper for epoxy removal, but always try to be as neat as possible in the first place. When using a heatgun, be careful to use the heat to the minimum extent necessary to remove the material, and keep the gun moving so that you dont get deep penetration of heat into the joint.
Here is the video we made in the workshop - I hope it helps.
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