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Motofam 03-03-2013 10:05 PM

Stock Sub enclosure help
I recently replaced my stock stereo including the sub speaker. The old one wasn't even stock or even fit for that matter. It seems the previous owner attempted to open the enclosure at the seam & it rattles horribly.
My question is:
What glue woud you recomend to glue it back together at the seam? It is plastic & I can't tell what kind... I had no idea there were sooo many adhesives for different plastics. Since it's a sub enclosure it needs to be strong. Don't care what it looks like since it will be in the console.
Any help would be appriciated.


spr0k3t 03-03-2013 10:48 PM

I would go with a two level approach. On the inside spray it down with rubberized undercote. On the outside, do a plastic weld with more rubberized undercote. That will give you a very strong mend, as well as seal up any spots you may have missed. As for what glue, really does depend on the type of plastic. Some plastic glues work great where as others just won't hold at all. For plastic welding, it's easy to do... get yourself a throw away soldering iron and a fist full of black zip ties. The iron needs to be hot enough to melt the plastic you want to weld but not so hot it burns a hole through it. Check out some of the vids online, it's not hard.

eboven 03-04-2013 08:51 PM

I have had good results with using Super T CA glue for automotive plastics. They make a three different kinds, one is gap filling and very thick, one is somewhat gap filling, and the last is very runny and does not fill gaps. I would probably use the thickest if there are lots of gaps, or the medium one if the seams are fairly tight. Either way you go, be sure to get some accelerator to quickly cure the glue once in place.

I don't know how well any kind of glue will last holding a sub enclosure together... plastic soldering isn't much better in my experience. If it were me and I wanted it done right, I would glue it together, then go along all the seams with some fiberglass resin and matting - then it really won't separate!

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