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I just picked up a box at Home Depot today. They're a different brand and they are 12" square. I'm going to line the hatch area later today.

-JB

 

do a sound clip please, before and after!!!!!!

 

subs for awesomeness

 

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Where exactly in the door did you put the insulation, just behind the door panel or in the door itself? Also, did you remove the paper on the insulation? Nice job by the way, the videos really help. Got any pics of this install you can post?

 

i used 3/8" carpet padding from home depot and 3M spray adhesive in my trunk floor area and it made a good difference in blocking out the exhaust noise. i think i paid 8 bucks for the can of glue and about 30 cents or something per square foot for the pad. i also put it in my front doors and it helped get rid of that tinny sound when they close.

 

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^ While I believe you're getting good results in noise reduction, I fear that one day all that insulation in the doors is going to be a soggy, stinky mess.

 

This would be my concern too. All that insulation might suck up water like a sponge.

On a side note, do not use peel and seal for cheap sound deadening. The stuff is just thickened tar spread out in a sheet. My buddy did his entire WRX with the stuff. On hot days, the doors would drip tar and when the carpet was stepped on, tar would ooze up through it.

-JB

 

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wow that is a pretty amazing DIY. baring any issues with moisture, it seems like a great and cheap way to sound deaden your XB. Is it possible that there is a type of fiberglass insulation that is water resistant? Regardless, great DIY, and thanks.

 

Water resistant material isn't going to resolve that type of situation. It'd prevent the fiberglass from degrading, but you'd still have water trapped between the fibers, which would become stagnant and enable mold growth in the warm, damp, dark environment of the doors.

 

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So, my turn...I have been looking around for some carpet squares, but no luck. Although, I am a little out of my retail element since I am currently on a six to nine month working road trip. Today I found closed cell foam or old-school backpacking pads. 30" x 72" for 3 bucks each. Grabbed a can of Super 74 (orange foaming adhesive) and ready to give it a go.

I am starting with the trunk and C-pillar. I figured this was the easiest starting place to get acquainted with the process.

Anything I should keep in mind? I will post pics as well of the materials. Unlike Pyroman (good job BTW), I will not be able to post decibel readings and videos since all of my stuff is in storage. Damn! I miss my garage.

GP

 

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