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wlmrs
10-10-2005, 01:04 AM
Hey all!I'm going to home depot tomorrow and buying some 3/4" mdf,i need to know what other materials I should get to build this box that will be slot ported for 2-12's.this is my first box and ineed some advice and detail on what to get.Thanks

Spr0ket
10-10-2005, 01:05 AM
What tools do you have. And why do I recognize that name (wlmrs)?

AltizzyGXE
10-10-2005, 01:07 AM
REsin or Caulk, you will need screws, a jig saw atleast to cut the holes, table saw, some clamps. carpet maybe

PhatTonyDeMarco
10-10-2005, 01:10 AM
REsin or Caulk, you will need screws, a jig saw atleast to cut the holes, table saw, some clamps. carpet maybe


Not all of that is NEEDED. You dont NEED a table saw, or clamps... The boxes I have built work perfectly well without clamps, and I got Home Depot to make each cut for me. A circular saw would also work to make the cuts, if you already have one....

wlmrs
10-10-2005, 01:29 AM
i have a jigsaw,circular saw,power drill.what kind and size screws are best for mdf?what about liquid nails?

Moe Lester
10-10-2005, 01:31 AM
1 5/8" coarse threaded drywall screws
titebond II wood glue (liquid nails ***** for this application)
silicone sealant

predrill all your screw holes and countersink them as well. Dont put a screw any closer than 1.5" to the edge of a piece of wood and place the screws 4 to 5" apart.

PhatTonyDeMarco
10-10-2005, 01:33 AM
I use #7 drywall screws, they are nice and coarsely threaded, hold nicely.

I personally do not use liquid nails, and dont know many who would on their boxes. Use good old Elmers Wood Glue for the joints, it will do better because it forms a chemical bond, rather than a physical bond. Other than that, just get a tube of SILICONE caulking, it will flex with the wood and create a better seal.

PhatTonyDeMarco
10-10-2005, 01:33 AM
I use #7 drywall screws, they are nice and coarsely threaded, hold nicely.

I personally do not use liquid nails, and dont know many who would on their boxes. Use good old Elmers Wood Glue for the joints, it will do better because it forms a chemical bond, rather than a physical bond. Other than that, just get a tube of SILICONE caulking, it will flex with the wood and create a better seal.


Edit- **** you Moe...

Edit again- **** that Quote button, so close to the Edit button :(

wlmrs
10-10-2005, 01:33 AM
thanks moe!as far as that titebond II woodglue,never heard of it.Is that something home depot would carry?

PhatTonyDeMarco
10-10-2005, 01:34 AM
thanks moe!as far as that titebond II woodglue,never heard of it.Is that something home depot would carry?

Yup.

Moe Lester
10-10-2005, 01:36 AM
thanks moe!as far as that titebond II woodglue,never heard of it.Is that something home depot would carry?

yeah, it should be on the same row as the screws, near the fiberglass resin. Thats how it is at the 4 home depots here Ive been to. Its got a blue label on it.

Spr0ket
10-10-2005, 01:36 AM
Don't use liquid nails. Just make sure you predrill for the screws to keep from splitting the MDF. You have all the tools you will need with the exception of wood glue and possibly one or two frame clamps. You don't need the frame clamps, but it will be easier to build. Also, if you make all of your own cuts, measure twice and cut once. Set up a jig to make sure the corners are dead on. As for the screws, some will tell you wood screws, others will say drywall screws. The hold is different for each, just ask the guy at home depot which would work best to hold pressure.

Spr0ket
10-10-2005, 01:37 AM
Geez guys... slow down!

Flipx99
10-10-2005, 01:37 AM
Why not use the fiberboard screws as opposed to drywall screws? Is it price?

wlmrs
10-10-2005, 01:39 AM
cool thanks y'all,umm is that all folks?Hey how do you brace a box or is that needed?my total box volume is 5 cu.ft 36x15.25x20 or 22

Flipx99
10-10-2005, 01:40 AM
yes...with that amount of flat surface area

Flipx99
10-10-2005, 01:40 AM
take your time~

Spr0ket
10-10-2005, 01:43 AM
For something that large, you will want to have a good internal brace. For bracing you just need to use some simple techniques in cabinetry. JL has a good bit of information on bracing.

http://mobile.jlaudio.com/support_pages.php?page_id=164