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Welcome to the Bunnings Workshop community @robpa. It's sensational to have you join us, and many thanks for your question about cutting fibreglass.
I'd agree with @Dave-1 that either a reciprocating saw, jigsaw, or multi function tool would be the best choices. The effectiveness of cutting through the fibreglass will be in that order, too, from most efficient to least.
Remember your PPE, including safety goggles, gloves, enclosed footwear and disposable overalls.
Please let me know if you have any questions.
Mitchell
Hi,
I'm using a pretty low end reciprocating saw to remove an old fiberglass spa shell. It's pretty hard going. I was using generic all round blades, burned out one cordless motor then upgraded to a diamond blade. Was slower going. Neater but slow. So I switched back to a spare wood blade which ripped through in faster time. Have had to stop as there's smoke coming from the motor. Still, slowly getting there. Started a month ago so we could access significant drain at top of pic. Spa was obviously installed by shifty plumbing. Expect to be done by Xmas.
Hello @Scalesy
Welcome to the Bunnings Workshop community. It's sensational to have you join us and thanks for sharing your question about removing your spa.
Your making good progress, all I can suggest is to give your saw a break when you feel that it is starting to overheat. I also recommend cutting the spa right in half rather than cutting it into smaller pieces. By cutting it in half you should be able to remove it in one go rather than in small pieces which is a lot of work for your saw.
If you need further assistance, please let us know.
Eric
