First Attempt at a Fiberglass Sub Box
10-23-2006, 03:01 PM
#24
Melting Slicks
Thread Starter
Originally Posted by D C
Holy cow, that is bad A$$. 
What car did it go into?
What car did it go into?It went in my kids VW - GTI. VR6, coilovers, chipped, exhaust, swaybars, Alpine HU, Alpine Amp's what a lucky kid - wish I'd had a car like that in HS.
;
;
10-23-2006, 09:28 PM
#25
Race Director
Member Since: Jul 2005
Location: The Beautiful Greater Bay Area California
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Holy ****! Why that is utterly awesome! Frankly, I just love the DIY ingenuity that exists amongst the many members of this forum. Well done, brother, and, well done, I say! 
10-23-2006, 09:30 PM
#26
Scientific Negotiator
Member Since: Jul 2005
Location: USA
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St. Jude Donor '07-'08-'10, '14
DANG!
You apply for a job at Unique yet?
looks really good bud.
You apply for a job at Unique yet?
looks really good bud.
10-23-2006, 09:36 PM
#27
Le Mans Master
Hi diyguy -
I am not big on huge stereo installations, but I know a fine piece of work when I see one -
Very nice - 'ya done real good!
Thanks for the pics -
best regards -
mqqn
I am not big on huge stereo installations, but I know a fine piece of work when I see one -
Very nice - 'ya done real good!
Thanks for the pics -
best regards -
mqqn
10-24-2006, 01:29 AM
#30
Le Mans Master
Originally Posted by EnglandGreen
Wow!! 
That looks awesome!
That looks awesome!
Superb craftsmanship! Well done!!
Last edited by Virtual Geezer; 10-24-2006 at 11:51 AM.
10-24-2006, 08:10 PM
#38
Melting Slicks
Thread Starter
Originally Posted by marlowchris
That looks great. How about some more detail on the process? Type of resin, cloth, # layers, etc.?
I went thru a LOT of Latex gloves and dozens of cheap paintbrushes. Used fleece (like sweatshirt material) to wrap the box and staple it down. Then first coated that with resin only. Let it set up before 'stacking' the fiberglass. I used strips of white fiberglass cloth (from marine store) and their resin and cut them into like 8x6 squares and started laying them all out criss-crossed and overlapping around the newly hardened fleece frame. Would allow it to set-up for an hour or so, then do it again, gradually using larger cut out pieces of 'patchwork' resin soaked pieces. Put a total of 5 layers and a lot of resin. It measured about 5/16 thick in most places. Used about a full gallon of resin.
Used a high speed air sanding disc to start cleaning up all the edges and in the center. When I'd run into an air bubble here and there, would fill it with resin then continue sanding. Once final shape was satisfactory, filled and smoothed with thin layer of bondo, hand sanded down to 600 wet, then applied spray filler, adhesion promoter, then sand that down from 600 - 800- 1000 - 1500 and 2000 wet.
Ready for paint went to auto paint supply house and got a pint of Blue Metallic auto paint(I think it was for a vW), and a quart of clearcoat. Used HVLP spray gun off compressor with exhaust fans 'pulling' the mist down and out the garage door. Laid down a light spit coat to tack, then immediately followed by a wet layer of base color. Let that flash, then 2nd coat of base. Two hours later, came back and hit it with 3 wet coats of clearcoat. Let it dry - what you see is what you get. Have not put any polish or waxes on it yet, waiting for all the polymers to ozze out, then will polish and wax.
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