How much Duratex for 2 Jack 12 Lites

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fender3x
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Joined: Mon May 15, 2006 11:51 am
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How much Duratex for 2 Jack 12 Lites

#1 Post by fender3x »

I have done three cabs with Duratex using roller, but it's been a while, and I can't remember how much I needed. I'll be using the roller again on the two J12L's that I am building. Any idea how much Duratex I'll need?
One man's magic is another man's engineering. --Heinlein

1 x DR250
1 x T39
1 x Omni 10

Grant Bunter
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Re: How much Duratex for 2 Jack 12 Lites

#2 Post by Grant Bunter »

Buy a gallon, touch up your other cabs while you're at it and have plenty to spare for next time.

Especially if you "prime" with a couple of coats of flat black...
Built:
DR 250: x 2 melded array, 2x CD horn, March 2012 plans.
T39's: 4 x 20" BP102 , 2 x 28" 3012lf.
WH8: x 6 with melded array wired series/parallel.
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fender3x
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Re: How much Duratex for 2 Jack 12 Lites

#3 Post by fender3x »

Yeah, I am sure that a gallon will be enough. I live about 20 min. from the distributor, and just over an hour from where they make it so at least I'll avoid shipping. At the cost of a quart, you are probably right that I should get a gallon and find something to do with the excess.
One man's magic is another man's engineering. --Heinlein

1 x DR250
1 x T39
1 x Omni 10

Bruce Weldy
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Location: New Braunfels, TX

Re: How much Duratex for 2 Jack 12 Lites

#4 Post by Bruce Weldy »

fender3x wrote: Thu Oct 27, 2022 6:37 pm Yeah, I am sure that a gallon will be enough. I live about 20 min. from the distributor, and just over an hour from where they make it so at least I'll avoid shipping. At the cost of a quart, you are probably right that I should get a gallon and find something to do with the excess.
Get a gallon.....it will do a bunch of cabs and it last forever. I've done probably 10 boxes, cases etc. and I still have a little left out of my second gallon. Put a piece of plastic food wrap right on top of the duratex and push it down before you put the lid back on when you're done.....I've stored it like that for a couple of years and it won't dry out at all.

6 - T39 4-25" 2-22" 3012LF
4 - OT12 2512 Melded/NSD2005
1 - T24
2 - XF210


"A system with a few knobs set up by someone who knows what they are doing is always better than one with a lot of knobs set up by someone who doesn't."

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Seth
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Re: How much Duratex for 2 Jack 12 Lites

#5 Post by Seth »

Bruce Weldy wrote: Thu Oct 27, 2022 9:32 pm Put a piece of plastic food wrap right on top of the duratex and push it down before you put the lid back on when you're done.....I've stored it like that for a couple of years and it won't dry out at all.
I gotta remember this tip. I popped mine open after a year or so, to do some touch ups and fill in some dings and scratches. It was a firm lumpy texture in a thinner liquid. I stirred it the best I could. Really could have used a potato masher. Seemed to do what I need it to do, but still... it wasn't too encouraging. Gotta try the plastic wrap trick next time around. Thanks Bruce! :thumbsup:
Build in process - 2 WH6, one Alpha 6a loaded, one PRV Audio 6MB250-NDY loaded

Two 2x6 shorty SLA Pro's
One T39, 16", 3012LF loaded
Tall AutoTuba, 20" wide, 2x 8" MCM 55-2421
TruckTuba, 8½" wide, 2x 8" MCM 55-2421

9830Lark
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Location: Georgetown, TX

Re: How much Duratex for 2 Jack 12 Lites

#6 Post by 9830Lark »

One pint covered a Jack Lite 10 for me. Two coats with just a tad left over. Now, I had thoroughly primed with black spray paint first. So, three pints might just do it. Two quarts would give you some leeway.

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fender3x
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Re: How much Duratex for 2 Jack 12 Lites

#7 Post by fender3x »

9830Lark wrote: Fri Oct 28, 2022 6:54 am One pint covered a Jack Lite 10 for me. Two coats with just a tad left over. Now, I had thoroughly primed with black spray paint first. So, three pints might just do it. Two quarts would give you some leeway.
...and two quarts is as expensive (or a bit more perhaps) than a gallon... So it seems we have consensus.

I too, am going to remember the plastic food wrap trick, since I should end up with most of the gallon left. Thanks, all!
One man's magic is another man's engineering. --Heinlein

1 x DR250
1 x T39
1 x Omni 10

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