Sealing subs and box

I am building a sealed box out of MDF for my truck.  I will use screws and glue for the box construction will this be enough to seal the box itself or, do I need to put something around the inside to seal it?  The box will be a wedge shape with three seperate compartments.

Then do I need to use anything to seal around the subs themselves or is the flat surface good enough (I wouldn't think it would be)?

For anybody wondering I am using three JL 10W3v2's and a 500/1 amp.

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'03 F-250 CC Fx4

Be liberal with the glue and make sure edges are all very tight when the glue is drying. I use a bunch of clamps to make sure that all edges are very tight. Glue and screws should be sufficient. If you want to make sure there are no leaks, then use silicone caulk around all edges. Another option is to spray the entire inside of the speaker with something like this: Damping Spray I've done this with a couple enclosures in a row now and I really like it. Quick and easy.

This speaker gasketing tape can be used to ensure an airtight seal around the subs themselves.

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New Project: 2003 Pathfinder

As far as sealing the box itself, i prefer Liquid Nails. This can be had at home depot for under $10.

Sealing the sub...a thin piece of foam would be good to use, some woofers either come with a pre cut piece of foam or a piece already stuck to the basket, make sure it isn't to thick otherwise you may warp the basket. once again kfr01beats me to it.

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What is the best way to get the sealant on the front inside of the box just smear it around with your finger. 

Also what if any do you reccommend for dampening material in the box?

I assume that my local JL dealer (They are a very high end custom shop) would have the dampening spary and speaker gasketing tape?

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'03 F-250 CC Fx4

I wound up using my fingers, they work great, due to their shape.

They ought to give you the gasket tape, it is super cheap and you probably spent some money on that gear, so don't be shy asking for it. 

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I actually got a pretty good deal on it, but I will ask them for some.  I am with you and knowing the guys where I buy they will most likley give it to me.

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'03 F-250 CC Fx4

When I built my last box I used ruberized spray under coating on the inside of the box. It worked rather well. I also used a professional carpenders glue on the panels. That box is air tight.

Chris

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Alpine CDA-9833 HU
Diamond Audio M661 Components
MTX Thunder T6.6 Components:rear fill:
Cadence Q400 4 Channel Mains + rears
Thunder 801D Subs
MTX 1004 10's
Dual 4g wire to rear
4g grounds

Thanks for the help guys.  I should be starting construction tommorrow.

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'03 F-250 CC Fx4

Well I started contruction on the box later rather than sooner but, here it is.  Wiring could be neater, but man does it sound good.

Here is a link to pics

https://www.ford-trucks.com/user_gallery/displayalbum.php?&userid=46164&albumid=16488

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'03 F-250 CC Fx4

Looks great! could have used some more construction pics

Nothing beats something you make and really enjoy!

I agree, clean those wires up.

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Thanks

I have more construction pics I will post soon.

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'03 F-250 CC Fx4

Nice construction pics.  You can build a flat platform for the amps, run the wiring below and up through grommets.  Carpet it the same as the sub enclosure.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

I always use silicone rubber RTV.  It's not necessary, just habit.

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