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View Full Version : DIY: Trunk Liner



shanewdude
05-04-2008, 06:39 AM
So, I was fed up with my sub and other cargo bouncing around the trunk on the flimsy board that sits under the stock carpet. Here's how I solved it:

What you need:
-piece of plywood (gis) or mdf board (1/2" thick) that is 48" x at least 32"
-spray adhesive
-carpet (try a stereo shop that does custom installs)
-1 cedar nailing strip, or similar wood that's around 1" square and 48" long
-12 wood screws, #8 x 1 1/4"
-drill with a bit about the size of your screws and counter-sink bit
-sharp knife (breakable utility knife works great)
-sander or sand paper
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_01.jpg

1. Fold down your back seats. Remove your stock trunk liner. Be careful with the clips securing the carpet behind the seats, I broke mine off accidentally.

2. Trace your carpet or your sound insulation onto your wood of choice. I used plywood because it was lighter than MDF. Don't worry if the edges of the widest part of your carpet hang off the wood. Just center it.
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_04.jpg
This pic shows where I ran a straightline across the part that will go up to the seat. MY MISTAKE WAS CUTTING IT SHORT so I have a small (3/4") gap at the seat.
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_06.jpg
3. Using your jigsaw, cut out the shape. You should cut inside the line if you can, you will be shaping this down a bit to fit. You will need to cut the little humps that stick into the widest corner of you trunk. I could not get the liner in the hatch with these pieces on!
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_10.jpg

4. Now you can get as anal as you want fitting your piece. Put your piece into the trunk and see how it fits. You probably have to slide the back in first, then drop the front of the liner down. Mark spots with a pencil/marker where you need to sand or re-cut. I was hungry so I didn't spend more than 20 minutes doing this step. Then sand the edges smooth, and bevel the corners a bit so that your carpet will wrap around easier.

5. Cut your carpet to be about 6" larger than your trunk liner. Cover the good side of your plywood with spray adhesive. If you want to really stick the carpet, spray the underside of it, too. Stick carpet onto board, and spread it out, stretching it towards the outside of the board.

6. Turn the project upside down, placing carpet side down. Apply adhesive to the little pieces you cut off in step #3 and stick them onto the carpet. IF YOU WANT you can take the time to hinge these pieces properly. I just let the carpet do the job (I was hungry).

7. Spray adhesive on the underside and edges of the wood. Fold the carpet over, making sure to stick the edges really well. You can spend as much time here making it pretty, if you want, but it won't show.
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_09.jpg
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_11.jpg
Make sure you cut the carpet on the bottom side to allow the pieces to hinge!

8. Next I used my spray adhesive to stick the factory sound insulation on the bottom of my liner. I stuck the smooth side to the wood, then trimmed up the edges. Finally, I cut the insulation to allow the corners to fold up. Here it is in my trunk:
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_12.jpg
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_13.jpg
9. To make the rails to hold your sub from sliding, I cut the cedar nailing strip into approximately 12" pieces with an angle cut on each end. I drilled and counter-sunk 3 holes into each, and then sanded and carpeted all but the bottom side of the rails. I only used three rails after screwing one up.
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_14.jpg

10. I used my sub as a guide to help me position the rails. If you're patient, you can hide the screws by gently slitting the carpet where the holes are and pulling it back to allow the screw heads to sit underneath. I was too hungry by this point to care.
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_15.jpg

Here is the final product!
http://i258.photobucket.com/albums/hh280/shanewdude/ephatch%20biz/trunk_16.jpg
NOTE: I know the sub amp shouldn't be attached to the sub... not good, but I haven't had time to fix/finish my stereo install since I got the car. The wires are also a mess.

Aug
05-04-2008, 07:27 AM
Nice, I would have done it black personally

T_Virus
05-04-2008, 02:09 PM
nice looks good

dobbs02si
05-04-2008, 02:30 PM
Love it dude! I did this to my 90 lx a few months ago so I can carry engines in the bed/trunk haha.

SiN05
05-04-2008, 04:02 PM
looks like DIY they did in Honda Tuning this month in an EG except they got rid of the back seats too and extended the floor over top of the where the bottom of the rear seats were

Wezzy
05-04-2008, 05:18 PM
nice i like the red.. good job thanks for the diy

03Si757
05-04-2008, 06:35 PM
Hella good idea. :first:

thisisagame24
05-04-2008, 07:09 PM
looks fresh mang. good job

ohdamngetit
05-04-2008, 07:16 PM
finished product looks great! thanks for the write up! :smile:

lostep3
05-04-2008, 08:25 PM
Nice work, Thanks fir the DIY:mcool:

beechstreet
05-04-2008, 08:42 PM
nice write up. been meaning to do that myself

eroc206
05-04-2008, 08:44 PM
Nice DIY

MOOGEN
05-04-2008, 09:06 PM
OMG why didn't I do this awhile back. I don't know about wood cause sometimes my trunk has water in them. I don't know where its coming from? :frusty:

MOOGEN
05-04-2008, 09:07 PM
GJ now you need Type-R red carpet.:whistle:

shanewdude
05-05-2008, 04:35 AM
GJ now you need Type-R red carpet.:whistle:

Whenever I want that "JDM Feeling" I just sit in my trunk. :hat:

Standard Issue
05-05-2008, 05:09 AM
I did this a few months ago with black felt that matches the interior of the car.
I laughed when I saw your solution for making the widest part of the floor fit was the same as mine: slice them off and use the carpet as a hinge lol.
This is a great idea as our spare tire covers are garbage and can support almost no weight.

shanewdude
05-05-2008, 02:28 PM
I did this a few months ago with black felt that matches the interior of the car.
I laughed when I saw your solution for making the widest part of the floor fit was the same as mine: slice them off and use the carpet as a hinge lol.
This is a great idea as our spare tire covers are garbage and can support almost no weight.

Did you get the same moment of "Uh... this doesn't work" like I did? The possibilities are endless... hinges to allow access to storage underneath can go in many spots! I really like the idea of building my sub box into the trunk, then something like this on top of it. I may try that this summer when I have more time!

black_mamba
05-05-2008, 05:44 PM
that looks sick man, props to you :thumb:

72chevel
05-05-2008, 07:00 PM
Nice DIY I need to do this to my ep it was missing when I bought it. Its just so putsy measure cut measure somemore cut trim I really don't like working with wood but yours looks really nice.

ep3dan
05-06-2008, 01:08 PM
looking good.

shanewdude
05-06-2008, 03:25 PM
Nice DIY I need to do this to my ep it was missing when I bought it. Its just so putsy measure cut measure somemore cut trim I really don't like working with wood but yours looks really nice.

It's not too bad if you trace the carpet the way I did. You can cut 1/8 of an inch inside your line. If you don't have the carpet, use cardboard to make a template. Trimming and fitting cardboard is easier than wood, then when you switch to wood you have less fitting to do.

Thanks for all the positive feedback, folks!

ALL MotoR Ep3
05-06-2008, 03:30 PM
Looks Go0od!!!!!!!!!Nice Write UP......JDM Type-R Red.....FTW...

ep3dan
05-06-2008, 05:56 PM
looking at it again i want to do this mod

locoep3
05-06-2008, 06:33 PM
Nice job man i would of not thoght of it......?:mbiggrin:

paulmofyourhand
05-07-2008, 10:55 AM
i like ur floor inserts to hold the sub. genius!

Standard Issue
05-07-2008, 12:06 PM
Did you get the same moment of "Uh... this doesn't work" like I did? The possibilities are endless... hinges to allow access to storage underneath can go in many spots! I really like the idea of building my sub box into the trunk, then something like this on top of it. I may try that this summer when I have more time!


Yes, I did!

rolldic
05-07-2008, 12:10 PM
what kind/color carpet was it that you used? i like the color, and i think it will match my carpet!

RJEP
05-10-2008, 10:08 AM
nice diy. i was thinking about doing this, but never did. think i will do it tomorrw. instead of beat, i always carry my tool boax and it keeps banging against the walls. will do that custom sides to keep it from sliding.

RedSiBaron
05-10-2008, 10:21 AM
that turned out great man, great craft!!!!

and there is nothing wrong with having the amp on the sub box...everything ive read is thats bullshit...

OZ.EP3
05-10-2008, 12:15 PM
Good stuff, I like the custom rails to hold it in place. I think whenever I get around to doing mine I will remove my spare and counter sink the sub on the floor board to get back my trunk space.

ts ep3
05-10-2008, 03:24 PM
looks nice :alien: i think im going to have try this

Paulieep3
05-11-2008, 03:32 PM
good writeup, that board would serve as a good base to make a nice custom hatch enclosure.

but u must be concerned about weight. how much does that piece of wood weigh in itself?

shanewdude
05-11-2008, 06:41 PM
good writeup, that board would serve as a good base to make a nice custom hatch enclosure.

but u must be concerned about weight. how much does that piece of wood weigh in itself?

It's very light. I used 1/2" plywood. It's pretty negligible when you consider the weight of the amps and sub. It probably weighs the same as some people's cd cases.

civictype_r04
05-12-2008, 01:20 PM
I just screwed my sub down to the mat and its fine.

3dkahuna
06-22-2008, 06:41 AM
Great work, I am sure you are much happier with an audio system and liner that stays put when driving.

sicivicguy
06-26-2008, 10:11 AM
WOW.... This isn't bad at all. I love ur write up. Im a do this for sure now. I hate that my sub moves arount the back to. But I think Im a reapulster the box to in red :mwink:

shanewdude
06-26-2008, 02:33 PM
WOW.... This isn't bad at all. I love ur write up. Im a do this for sure now. I hate that my sub moves arount the back to. But I think Im a reapulster the box to in red :mwink:

Great idea for the red box! I might do the same... mine's looking a little dreary and worn out.

Looking back, I think that IF you have the time and the will, putting piano hinges in the corners rather than just using the carpet would be sweet. Check out Chads stereo install for a really sweet trunk! http://www.ephatch.com/forum/showthread.php?t=44046

danielakatoxic
07-11-2008, 10:20 AM
i definitely did the same thing. cut the sides to make them fit and just glued them to the cloth. and voila the cloth is my "hinge". lol.

where did you get the red carpet? i couldnt find any. right now im just using some random red cloth that i found at joans.

shanewdude
07-11-2008, 07:42 PM
i definitely did the same thing. cut the sides to make them fit and just glued them to the cloth. and voila the cloth is my "hinge". lol.

where did you get the red carpet? i couldnt find any. right now im just using some random red cloth that i found at joans.

It's from a stereo shop in the city I live in. They do a lot of custom work, and are pretty big in car audio.

This may help you; here's the manufacturer's website:
http://www.ozite.com/rprod.cfm?item=rp1

shanewdude
07-17-2012, 02:35 PM
Updated the links for the pics, if anyone was looking for them.
As far as an update on the carpet, it still looks great and is standing up. Ultimately, though, I want to secure my sub much better or even build it into the trunk.

ep32424
10-09-2012, 05:27 PM
looks pretty cool.

Mighty_Mouse_Ep
09-08-2013, 06:29 PM
I just did this to my ep but i used black carpets. Looks a lot better then the stock carpet all mangled up cause of the sub box. It did take some time to fit the wood in. For the side pieces i cut them off and wrapped them individually.