Glue Holds Bbox Together, Not Screws?

The majority of us here use MDF to which I will say, that glue would be sufficient enough. MDF is actually somewhat weak. Just like a weld, the strongest part of the structure will be the bonding joint, the weld itself or in this case the glue. Try it, > just get two random pieces of wood (scrap) and glue the straight edge of one to the other, clamp, let dry. Then take the 2 and bend them at the joint, 9/10 times the wood itself will split, not the glue joint. Also note, use wood glue, not just some random glue. People often do that too.

Me, I use a nail gun, and wood glue the outer edge of the joint/seam (from center to edge) and put silicone on the inner edge of the joint/seam (very edge). I've never had any leaks and or weak points. As an added securement, I glass the inside all over too. I just started doing this about 5 years back. I only use screws on odd angles and potential weak points. This approach is much faster too.

 
I have built several boxes over the years without using glue at all. I always predrill the screw holes with a countersink about 2"-3" apart, screw everything together and use silicon on the inside and outside seams. Built a 7.5 cube box for a friend 6 months ago for two 15" DC Level 4 XLs on a Memphis 4k. I've never had a problem out of any of my boxes. I will consider adding glue from now on though as it only makes sense to make the joints as strong as possible.

 
i am old school when it comes to the box thing.........i have always for 22 years used glue, pre-drilled holes, screws, and caulk the inside as well.......call me old fashioned but it has always worked........no air comes out of my box unless it has a port in it...........i have never had a box come apart either and i have some running some major juice to the subs installed.............good luck
this!!!!

 
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ladybridgeport

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