I just thought I would share a fairly easy and inexpensive way to deaden your door panels. The idea behind this is to create a small enclosure behind your speakers using expandable polyurethane foam (Great Stuff Big Gaps in this case.) I spent a total of about 20 dollars on both doors, including baffles.
Step 1: Remove the door panel, and everything that you don't want ruined, as polyurethane gets on anything and will never come off.
Step 2: Run the speaker wires through the hole in the front panel. Always run more than you need (assuming you are running new wires.) If you are running existing wires, just get them out of the way.
Step 3: Start filling between the inner and outer door panels with the foam, taking into consideration the expansive properties of this stuff. The stuff I used will expand about 3 times its original size, so DO NOT spray to close to where the speaker basket will be.
Step 4: In order to get the foam above the speaker, you will probably have to make some sort of brace. I used a piece of cardboard. Cut the brace as wide as the space between the two door panels, and roll it to fit in the speaker hole.
Step 5: It may take some creative thinking to get the foam can to spray where you want, but try your hardest to get the foam to cover the outside of your cardboard brace (or whatever you made it out of.)
Here is a picture showing the inside of my door, you want to make the speaker hole air tight. Keep in mind that this picture was taken less than 5 minutes after I sprayed, so it should seal up air tight within an hour.
I chose to use a baffle to clean it up a bit, and give it that extra line of defense.
Step 1: Remove the door panel, and everything that you don't want ruined, as polyurethane gets on anything and will never come off.
Step 2: Run the speaker wires through the hole in the front panel. Always run more than you need (assuming you are running new wires.) If you are running existing wires, just get them out of the way.
Step 3: Start filling between the inner and outer door panels with the foam, taking into consideration the expansive properties of this stuff. The stuff I used will expand about 3 times its original size, so DO NOT spray to close to where the speaker basket will be.
Step 4: In order to get the foam above the speaker, you will probably have to make some sort of brace. I used a piece of cardboard. Cut the brace as wide as the space between the two door panels, and roll it to fit in the speaker hole.
Step 5: It may take some creative thinking to get the foam can to spray where you want, but try your hardest to get the foam to cover the outside of your cardboard brace (or whatever you made it out of.)
Here is a picture showing the inside of my door, you want to make the speaker hole air tight. Keep in mind that this picture was taken less than 5 minutes after I sprayed, so it should seal up air tight within an hour.
I chose to use a baffle to clean it up a bit, and give it that extra line of defense.
