New Fiberglass trimming trick
Printed From: the12volt.com
Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=45586
Printed Date: April 26, 2024 at 9:17 PM
Topic: New Fiberglass trimming trick
Posted By: Stlb5
Subject: New Fiberglass trimming trick
Date Posted: December 20, 2004 at 6:54 AM
I'm sure some of you more seasoned glassers have a better way to do this, but I just figured this out this weekend. I was always having problems trimming my enclosures after I had wrapped fleece and then glassed over it. When ever I was trimming the edges and the speaker hole, I'd either go too far or not far enough and cut inside or outside the hole which meant I had to grind it down or repair it. Well, this weekend I ran out of the blue fleece I normally use so I used some white stuff. After I wrapped the fleece tight, I took a sharpy and drew a line around the outside edge and around the speaker hole. After laying glass, I could still see the line and knew exactly where to trim! Saved a ton of time. My $0.02.
Replies:
Posted By: realitycheck
Date Posted: December 20, 2004 at 9:02 AM
Good call man! Nice info!
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Learning the trade one fiberglass creation at a time!
Posted By: JRoscoe
Date Posted: December 20, 2004 at 7:22 PM
I always wait until the glass i just about fully cured, then I just take a nice sharp razor and cut it out. It works really well. -------------
Posted By: biker8018
Date Posted: December 21, 2004 at 2:46 AM
dremel tool with a 1/8" drill bit.smooth quick and painless
Posted By: realitycheck
Date Posted: December 21, 2004 at 9:38 AM
Yeah I used the old dremel with the cutting wheel. Didnt take no time, but hes saying he had trouble seeing where he needed to cut after he had glassed over it. So he did that so that he could see where to cut!
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Learning the trade one fiberglass creation at a time!
Posted By: Stlb5
Date Posted: December 21, 2004 at 11:26 AM
yep, I use the cutting wheel too, but I think what he's saying is to use the drill bit and the MDF will guide you around only cutting the glass. Does just a regular bit work, or do you need a spiral cut like a router?
Posted By: mv2123
Date Posted: December 24, 2004 at 1:40 PM
damn i should get a dremmel does thing come in handy
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wait , you hear something sparking?
Posted By: Captanham
Date Posted: December 24, 2004 at 4:15 PM
yea, you shouldn't be doing anything in this buiz without a dremel, they are a life saver, one of the best tools to have i think, my .02, haha ------------- Bad Boys Customs
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If you use it. Suport it. Donate to the 12 volt!
Posted By: Carbonb
Date Posted: December 24, 2004 at 5:52 PM
Yeah dremels are nice. Since I use a dark grey fleece it's hard to write on it :P
I've been doing poor work lately since it's cold and I'm rushing my work ;(
Bah, anyways I glass'd a switch mount thing. I just need to sand it a bit and then carpet it :P
I like carpeting now for some reason.
Posted By: mlazzaro
Date Posted: December 27, 2004 at 8:24 AM
i use a rotozip with the drywall side cutting bit it works great and is very fast. makes a lot of ichy dust thought so make sure u cover up
Posted By: craniumvibratio
Date Posted: January 28, 2005 at 6:13 PM
If you Use a router and put a 1/4 rabit bit and and staple onto that then you just cut the excess matterial away then you dont have to worry about the matterial after. then If and when you dont have a fluch edge just throw some bondo on it. takes much less time and look much cleaner.
Posted By: HottAccord
Date Posted: January 31, 2005 at 1:17 PM
Thats actually a good idea, I have used Navy blue fleece in the past and it was a pain in the a$$ to figure out where to cut. I will be using some yellow fleece that I have in the future, so I will keep this little trick in mind, nice job! ------------- Im a fiberglass whore!!
Posted By: miker
Date Posted: February 04, 2005 at 12:41 PM
First of all, howdy. I'm currently building my first fiberglass project, a set of door panels for my 9C1 Caprice, with much help from this forum and GCF. Looking forward to being a member of the community! I'm using light green fleece, which does allow the panel to stay rather translucent. I hit the back of the MDF baffle with a good amount of black spray paint and the speaker hole shows up as a strong black circle on the front of the panel. Like mlazzaro said above, a rotozip with the drywall blade allows you to pretty easily stop when you hit the MDF, but it helps to have a visible ring for reference. cheers, mr
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