Fiberglass Engraving

[Sean Bullock]

I have a job coming up that requires engraving on a fiberglass material. The fiberglass is a building grade material, so is pretty dense. Any experience with fiberglass out there? Any suggestions?

[Joe Pelonio]

One of those that you may have to try before knowing if it will work.

I've done it once, on customer provided material. It does engrave and I was able to cut it but with a lot of char. It was about 1/16" thick and more like the stuff made for roofs on sheds. I also found that even with a small amount I had to clean lenses/mirrors, due to debris from it.

[Sandra Force]

I cut 1/32 filon (a form of fiberglass) all of the time. I use mid power and 80 speed. I have only engraved it a few times but the discoloring was high and was not deep enough to color fill.