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Old 12-13-2012   #101
 
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Default Re: Another fiberglass box tutorial..

The tutorial was great thanks for the tips. I started making my own fiberglass box this week. Made the mold shape in the car Tuesday night. Let it cure, and pulled it out last night =D It's a very fun process and I can't wait to finish it and hear my creation in action.

In the tutorial you hosed it off and found a leak - Isn't it a bad idea to get those MDF mounts wet? I would think that would soften them up and make them too weak for a sub. I can see trying to vacuum out any loose pieces inside the box to clean it up but I would try to keep water away from the ring if I could.

I was thinking that I should coat the inside of mine with bondo to ensure it's air seal as well. How much effort should I put into make the seal really air-tight? Should I go nuts trying to make the box air tight around the speaker terminals and using rubber gaskets around the speaker?

Is it feasible to make it the 'perfect enclosure' or do 'sealed' boxes rely a bit on a tiny air leak to control the woofer cones movement?

I was planning to try and make this completely air tight but then read a thread on here about how no one really has the perfect enclosure so I got confused. My old (10+ year old) subwoofer's foam surround tore all the way around. Sure it lived its life awhile but I thought maybe because it had air leaks (it had no rubber gasket around the speaker mount/box) that promoted the cone surround to break so I thought to treat my new woofer better I should really go crazy with the air sealing process.

Sorry for the long winded post, any thoughts on this guys?
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Old 12-14-2012   #102
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Default Re: Another fiberglass box tutorial..

a lot of work to build a box when you could jsut use MDF (a box is an object with 6 flat sides.
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Old 12-14-2012   #103
 
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Haha yes very difficult to get all the corners and angles perfect 90 degrees
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Old 12-24-2012   #104
 
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Thank u

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Old 12-24-2012   #105
 
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That is an awesome write up!!!
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Old 12-24-2012   #106
 
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Default Re: Another fiberglass box tutorial..

Thanks for your effort putting the guide together, yours is actually one of the resources I used in making mine. It is still in progress but will have it finished this week. For those that state it is a lot more effort than building an MDF box you are right, but it is also way cooler, and more space efficient than a plain old MDF box.








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Old 12-25-2012   #107
 
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Default Re: Another fiberglass box tutorial..

this is awesome, when i eventually buy a subwoofer, im definitly going to try this.
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Old 01-15-2013   #108
 
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Default Re: Another fiberglass box tutorial..

I don't mean to be a giant turd in the punchbowl here, but this thread needs help. The basic process of the OP is just fine, but the glass work itself is very poor. There is way too much air in your layups. Proper wetout, consistent thickness, and proper resin:glass ratio are all easily reachable goals with just a little practice.

I don't want to come down to hard, because we've all been here, but the standard for a 'reference thread' should be much higher.



Here's a couple nice layups. If you want to see my ugly years getting started, check out the comatose fiberglassforums.

I have been using dye in my resin for the last couple of years. Looks cleaner.



Kick panels





Use wax or silicone spray to make your tape release 100%.



tape off the inside of your rings so you don't have to sand them. Also, leave yourself an edge to sand to by always rabetting the edge of the ring, if it's wood.

Also notice I used foam on these instead of fleece. Get the shape you want before you fill it. Don't try to use a gallon of bondo to correct imperfections in the shape. If you want the fleece look, make ribs/strips of wood to hold it there.



Nice and clean - skim filler and sand before you pull the tape of the middle.




Always glass the outside of the enclosure to ensure a good layup, uniform thickness, etc. Way faster, easier, stronger, better. period.



Some of these things don't need filler, if they're carpeted.



I primered this box with no sanding at all just to show how flat it should be. I knocked it with a d/a real quick, and wrapped it in carpet.


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Old 01-16-2013   #109
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Default Re: Another fiberglass box tutorial..

Quote:
Originally Posted by bobwires View Post

Also notice I used foam on these instead of fleece. Get the shape you want before you fill it. Don't try to use a gallon of bondo to correct imperfections in the shape. If you want the fleece look, make ribs/strips of wood to hold it there.
can you explain/show this in pics?
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Old 01-16-2013   #110
 
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Default Re: Another fiberglass box tutorial..

pour foam kick panels

Kick Panels Bobwires' style

my old method using fleece and foam in combination. This takes a lot of time, and I don't think I'll be doing it again.

JL in a Tahoe semi-stealth box

floral foam used for trim

Subaru with Hertz, Rockford, and a fiberglass enclosure

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Old 01-16-2013   #111
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Default Re: Another fiberglass box tutorial..

thanks for the links... I think i might try foaming up some stuff....
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Old 03-07-2013   #112
 
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Default Re: Another fiberglass box tutorial..

This thread is fantastic! Many chime-in's to assist those, like myself, who dont have any experience with glass. Custom enclosure nirvana....
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Old 03-16-2013   #113
 
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Default Re: Another fiberglass box tutorial..

LOVE THE TUTORIAL!!!!!
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Old 04-01-2013   #114
 
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Default Re: Another fiberglass box tutorial..

WoW im a total nood when it comes to this and now i feal like i could give it a shot and see what haponds i loved how you calculated the cubs of the box so simple. and i do not feel like such a dummy now lol :-)

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Old 04-04-2013   #115
 
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Default Re: Another fiberglass box tutorial..

been checking out these forums for years , and now finally made an account , nice thread this whole forum is awesome ! i have recently been thinking about trying this fiber glass enclosure builds myself !
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Old 04-23-2013   #116
 
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Default Re: Another fiberglass box tutorial..

Fantastic Tutorial! Thanks for doing all that posting work.
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Old 01-21-2014   #117
 
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Default Re: Another fiberglass box tutorial..

Who in Atlanta can do this work
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Old 01-22-2014   #118
 
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Quote:
Originally Posted by bobwires View Post
I don't mean to be a giant turd in the punchbowl here, but this thread needs help. The basic process of the OP is just fine, but the glass work itself is very poor. There is way too much air in your layups. Proper wetout, consistent thickness, and proper resin:glass ratio are all easily reachable goals with just a little practice.

I don't want to come down to hard, because we've all been here, but the standard for a 'reference thread' should be much higher.



Here's a couple nice layups. If you want to see my ugly years getting started, check out the comatose fiberglassforums.

I have been using dye in my resin for the last couple of years. Looks cleaner.



Kick panels





Use wax or silicone spray to make your tape release 100%.



tape off the inside of your rings so you don't have to sand them. Also, leave yourself an edge to sand to by always rabetting the edge of the ring, if it's wood.

Also notice I used foam on these instead of fleece. Get the shape you want before you fill it. Don't try to use a gallon of bondo to correct imperfections in the shape. If you want the fleece look, make ribs/strips of wood to hold it there.



Nice and clean - skim filler and sand before you pull the tape of the middle.




Always glass the outside of the enclosure to ensure a good layup, uniform thickness, etc. Way faster, easier, stronger, better. period.



Some of these things don't need filler, if they're carpeted.



I primered this box with no sanding at all just to show how flat it should be. I knocked it with a d/a real quick, and wrapped it in carpet.

It is so good to see a glass veteran stepping in.

Dude maybe you know wth is the deal with fgforums? All the good fab guys are far and few to keep up with anymore.

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Old 01-22-2014   #119
 
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Default Re: Another fiberglass box tutorial..

What the hellz up with that forum,fiberglass forum..I joined but it never went through..I was gonna try this ,but kinda gave up,n an looking for someone to do some work in my dodge ram.i wanna do a center console with wood n glass,and then do a mold of the storage bins to try n put in some subs n retain the fold floors
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Old 01-22-2014   #120
 
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Its been down for a while...

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Old 01-22-2014   #121
 
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Quote:
Originally Posted by liljohn30 View Post
What the hellz up with that forum,fiberglass forum..I joined but it never went through..I was gonna try this ,but kinda gave up,n an looking for someone to do some work in my dodge ram.i wanna do a center console with wood n glass,and then do a mold of the storage bins to try n put in some subs n retain the fold floors
http://pascackvalleyhome.com/wp-cont...1/07/WHAT1.jpg

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Old 07-09-2014   #122
 
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Default Re: Another fiberglass box tutorial..

this is a great post now I feel better about wanting to try this my car is leased and I don't want to damage anything but I also need to use my trunk
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