I'm really starting to hate fiberglass! The folks at Dina used fiberglass to build the entire bathroom interior. The top half came out in one piece with minimal cutting, but I've been cutting on the bottom half for a total of five hours now. I used a grinder with metal cutting wheel one evening, but that created dust everywhere. Yes, I did wear a dust mask and safety glasses. The second evening I used a cordless sawzall and that created much less dust, but I kept using up batteries faster than they would charge.I still have a small part of the fiberglass to remove this evening, but luckily my friend is coming over.Brian Elfert
I have a Milwaukee Sawzall ("Sawzall" is a Milwaukee trademark. the correct term is "reciprocating saw") and it is a real time saver in doing demolition as well as cutting in difficult places (such as cutting a protruding nail off behind the baseboard radiator in the residential bathroom I'm
Really , a angle grinder with the most coarse sand paper will be the fastest
Actually an angle grinder with a diamond tile blade works best of all. Still get some dust, but it cuts like butter and never wears out.