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Old 07-23-2017, 01:12 AM   #21
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Forgot to mention, when I upended the doghouse and started to reset and tape the original insulation I found that a lot of the paper backing was still on the insulation...no wonder it wasn't sticking worth a darn!! Thor seriously needs to step up their initial quality control!! Also the screws holding the cupholder section on top of the doghouse were rusting badly already. I replaced those with shorter Stainless Steel screws.

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Old 07-23-2017, 01:15 AM   #22
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Originally Posted by Shifty103 View Post
just got done soundproofing the doghouse. More work than I figured. Weird shape of the doghouse made it tough to figure out. Not too bad with the Extreme soundproofing sheets, but tough getting the hoodliner on. The worst part was reinstalling the doghouse. Getting the screws in was a fight! By the time I got done it was too late for a test run, will do that another day real soon. Did the rap test before and after and it is much more solid sounding after. Anxious to test drive, really hope the work was worth it.
Many apologies. I forgot to mention that when I did my Challenger I would cut templates out of heavy brown package paper and then use the template to cut the mat and hood liner.

I believe you will be impressed and like me start looking for the next area for when time permits.
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Old 07-23-2017, 04:35 PM   #23
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I thought of the template idea after I started, but I had no material and did not want to stop and go get some. In hindsight I probably should have. I started the engine but have not been able to take a test run yet. Plan on road test tomorrow. Hope you're right about being pleased, but will do things a little different if I do more insulating.
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Old 07-24-2017, 03:58 PM   #24
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Will adding the insulation void the warranty?
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Old 07-24-2017, 04:05 PM   #25
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Heat and Soundproofing 2014 Vegas 24.1

Have just finished applying "Boom Mat" heat and sound proofing material to our
2014 Vegas 24.1.
I removed the carpet from beneath the driver and passenger seats.
I applied 4mm " Boom Mat" soundproofing mats to the plywood floor and firewall.
Over the soundproofing mats,"Boom Mat" carpet padding was added.
Then new carpeting replaced the original.
I removed the "doghouse", and lined the inside ( exterior) portion with "Boom Mat " tunnel shield.
I found several holes in the firewall.
Some the size of small bolts, the other the size of a half dollar!
I haven't test driven the Vegas yet, still patching holes on the firewall.
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Old 07-24-2017, 04:08 PM   #26
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Will adding the insulation void the warranty?
Absolutely not.
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Old 07-24-2017, 04:10 PM   #27
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Thanks
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Old 07-24-2017, 04:17 PM   #28
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Originally Posted by captaind View Post
Have just finished applying "Boom Mat" heat and sound proofing material to our
2014 Vegas 24.1.
I removed the carpet from beneath the driver and passenger seats.
I applied 4mm " Boom Mat" soundproofing mats to the plywood floor and firewall.
Over the soundproofing mats,"Boom Mat" carpet padding was added.
Then new carpeting replaced the original.
I removed the "doghouse", and lined the inside ( exterior) portion with "Boom Mat " tunnel shield.
I found several holes in the firewall.
Some the size of small bolts, the other the size of a half dollar!
I haven't test driven the Vegas yet, still patching holes on the firewall.

That's just what I wanted to do to mine. The shag carpeting that Thor used is just appalling. I think using some sound deadening material and some carpet padding under a nice thick pile carpeting would be quite an upgrade to the original install. It also beats trying to get up under the coach and go at it from there. Please post pictures of your install if you can.
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Old 07-25-2017, 07:06 PM   #29
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Did the inside of your doghouse look like this? Wondering if the previous owner attempted to insulate.
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Old 07-25-2017, 09:03 PM   #30
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Soundproofing doghouse

Our 2014 Vegas had heat shield installed on the inside of the doghouse.
I believe it was installed by Thor.
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Old 07-25-2017, 09:18 PM   #31
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This looks like it was installed by a child with his first pair of scissors. Wondering if this was the norm.
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Old 07-25-2017, 10:06 PM   #32
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Soundproofing the doghouse

Ours was not very pretty.
I added "Boom Mat" tunnel shield material to clean things up.
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Old 07-25-2017, 10:16 PM   #33
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Halibut214....Mine looked a LOT like that. Many open spots with no insulation and many parts not really stuck down, and insulation did not go to the edges of the doghouse. Upon attempting to fix the original insulation prior to installation of the Extreme, I found that quite a bit of the original insulation did not even have the paper backing taken off of the insulation. No wonder there were air "tunnels" and bubbles that were not stuck down. Clearly horrible quality control. These doghouses obviously were never checked, I find it hard to believe that this type of sloppy work would pass any inspector. I wish I had taken a picture of mine prior to my repairs.
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Old 07-25-2017, 10:20 PM   #34
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By the way I took my coach out for a test run yesterday. Big difference in noise. So much more quiet now. The wife and I can actually talk to each other in normal conversational tones now. I am very pleased. Like a couple others that have done this, I am now thinking of where else I can use this Extreme insulation. I am going to put some on the door to the Onan compartment to see if it helps there as I would like that to be a bit quieter.
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Old 07-26-2017, 03:18 PM   #35
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Originally Posted by Shifty103 View Post
By the way I took my coach out for a test run yesterday. Big difference in noise. So much more quiet now. The wife and I can actually talk to each other in normal conversational tones now. I am very pleased. Like a couple others that have done this, I am now thinking of where else I can use this Extreme insulation. I am going to put some on the door to the Onan compartment to see if it helps there as I would like that to be a bit quieter.
Got mine done. Wish I'd have taken an after pic. It looks really good and the insulation now goes all the way to the floor. I found a very odd thing on my doghouse... on the drivers side a piece of the fiberglass about 2" wide by 12" long where the doghouse meets the floor had been cut away. This does not look like it was made this way but rather like it had been done with a saw and the other side went all the way to the floor. The carpet extended to the floor so I never noticed but did notice a lot of heat coming in around my foot. Anybody else have this? I extended the matting all the way to the floor and got the doghouse back in so hopefully this will help immensely with heat and noise. Doing a road test later today.
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Old 07-26-2017, 04:50 PM   #36
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We had a hot spot on the passenger side toward the front. After the soundproof/insulation job the noise was gone and the doghouse stayed cool all around. I am very pleased with the work as it definitely paid off. Although our original insulation was a mess (looked like they just used remnants) I didn't notice any pieces that looked like they were cut for any particular purpose.
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Old 07-26-2017, 07:21 PM   #37
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In the process of soundproofing the doghouse in my Axis! There is no insulation there! Will the Dynamat stick to the existing lining? It's sort of a "felt" like material!
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Old 07-26-2017, 07:59 PM   #38
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I have an older unit with the Chevy big block and have both problems of noise and heat. What is this stuff you used on the doghouse?
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Old 07-26-2017, 08:48 PM   #39
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Don't know if it would stick to a "felt like" material or not. I suggest cutting a small piece and trying it first. Tavtel..the stuff we used was Dynamat Extreme soundproofing and Dynamat hood liner, at least that what a couple of us used. Great stuff!
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Old 07-26-2017, 08:50 PM   #40
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Another thought if you don't already have the soundproofing material, call the company and see what they say about it sticking to a 'felt like' material. Maybe they would have a solution.
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