Cabin Insulation

scott_79bay · Posted: Sat Jan 10, 2009 1:03 am Post subject:

So what I've been trying to figure out is where can you get butyl rubber sheeting? Why not cut out the middle man.
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1979 Sunroof Bus
2.0 FI

bug-nuts · Posted: Sat Jan 10, 2009 6:35 am Post subject:

dansvans · Posted: Sat Jan 10, 2009 10:28 am Post subject:

scott_79bay · Posted: Sat Jan 10, 2009 3:44 pm Post subject:

Sorry sure it's been discussed, but about how many sqft for a single layer?
_________________
1979 Sunroof Bus
2.0 FI

dansvans · Posted: Sat Jan 10, 2009 6:24 pm Post subject:

you would need 125 square feet to do roof, walls, and nose. roof is 65 sq. ft. alone, walls are 55 sq. ft. (including front doors), 5 sq. ft. for the nose center. adds 48 pounds of butyl and foil to the bus if you buy RAMM mat

80 sq.ft. of peel and seal will cover the floor and wheel wells, adding another 25 pounds

scott_79bay · Posted: Thu Jan 15, 2009 11:36 pm Post subject:

What about EPDM rubber roofing. It's extremely cheap it seems some already use it for vibration control, may not be as good as a MLV for sound transmission, but still looking for a cheap substitute for that as well.

Here is a link to some costs:
http://www.flatroofsolutions.com/90mil-Black-EPDM-price.php

Here is an article by Mitsubishi and there application of EPDM in the doors and charts showing the effectiveness:
http://www.mitsubishi-motors.com/corporate/about_us/technology/review/e/pdf/2007/19e_24.pdf

Heres some stuff in a can:
http://www.proguardcoatings.com/rubber-liquid-coating-intro.htm
_________________
1979 Sunroof Bus
2.0 FI

barefootwestie · Posted: Fri Jan 16, 2009 8:05 am Post subject:

Good information and look forward to reading through it. My main concern would be with any toxic fumes (detectable by the nose or not) that my be hazardous in a closed environment such as a vehicle.

Even though I'm sure they have probably tested the material, I am thoroughly convinced that manufacturers do not and cannot test products for long term effects.
_________________
tangerinemoons.com
My Bus Restoration Blog
http://myvwbus.tangerinemoons.com/

1973 Westfalia
"Getting better....one repair at a time."

Other VW's owned through the years, in no particular order:
'67 Beetle,
'67 Ghia Hardtop,
'72 Ghia Convertible,
'72 Westfalia

Justin · Posted: Fri Jan 16, 2009 9:21 am Post subject:

theizzardking · Posted: Fri Jan 16, 2009 9:47 am Post subject:

Justin · Posted: Fri Jan 23, 2009 11:06 am Post subject:

I haven't decided yet how to insulate my bus. I just stumbled on this article, though, and it makes it seem like spun fiberglass doesn't hold moisture. (About a third of the way down.)

Any thoughts on this?

-Justin
_________________
"God demonstrates His own love for us in this: While we were still sinners, Christ died for us."
-Romans 5:8

second skin rep · Posted: Sun Jan 25, 2009 12:35 pm Post subject:

naynay · Posted: Tue Feb 24, 2009 3:39 pm Post subject:

well, I'm late to the party, but here is my 2 cents. I was going to use the asphalt peel and stick roofing stuff, but I happened across a helpful home depot employee who Also happens to love old cars, and fixes them up on a budget. He told me that the asphalt stuff is messy and gooey- makes sense- and steered me towards "Protecto Wrap butyl hybrid window and door sealing tape". I haven't installed it yet, but I like that it has NO odor- and it was inexpensive to boot- 17 bucks for a 9"x 33' roll- and it also comes in a 6" roll for about 11-12 bucks.

I have been working on rust eradication, followed by appying duplicolors' version of rattle can truck bed liner- i figured good rust prevention and sound deadening combo. next is the Protecto wrap- but then I get stuck- I want carpet, but don't know what to put between the Protecto and the carpet. maybe I should skip carpet, and go Linoleum or something so it'll stay cleaner. I dunno. anyway, helpful home depot guy said jute carpet pad between protecto and carpet. I think it is too spendy for me. i looked at the underlayment for under wod floors- seems really nice- and spendy-ish. perhaps I need to wait until my definition of spendy shifts a little. tight budget at the moment- but Lots of time on my hands, so I would like to get some work done!
_________________
74 Rivi

"Do not let what you cannot do interfere with what you Can do." - John Wooden

jah_B · Posted: Tue Feb 24, 2009 3:58 pm Post subject:

masonite or osb would be ok on your floor over the insulator. b4 the carpet.
_________________
1984 CABRIOLET 6spd, quaife diff, Neuspeed springs, sway bars, tie bar, short shift kit, bilstein shocks, 16X7 RSE 3pc wheels, BFG TA 205 40s

1972 tintop P30 CAMPMOBILE: M/T, 1.7L, dual kadrons, 019 diz. Sunny the S'kool Bus

You gotta know what you don't know. That's the key to wisdom. man.

naynay · Posted: Mon Mar 02, 2009 8:17 pm Post subject:

thanks- will do. I think I am going to go with linoleum look vinyl squares from lowes- made by armstrong, and commercial grade- and they have that old school swirly look to them. plus they come in rad colors like orange and purple! plus at 30 bucks for a box of too many sq feet, it fits my budget. Very Happy

_________________
74 Rivi

"Do not let what you cannot do interfere with what you Can do." - John Wooden

EvilWerks · Posted: Mon Jun 22, 2009 2:55 pm Post subject:

barefootwestie · Posted: Tue Jun 23, 2009 6:25 am Post subject:

Just proves that their are more than one opinion about anything.

Personally, I installed in a previous vehicle. It did smell for about 3 days. After that it was fine. It did deaden the sound considerable. I would be careful where placed as I used it on inside of doors and it added quite a bit of weight to the door, and I ended up replacing the hinges a year or so later.

My biggest concern hindsight, and why I won't be using it in my Bus, would be the long term effects. Just because I'm not smelling it doesn't mean that I may not be breathing in anything toxic.
_________________
tangerinemoons.com
My Bus Restoration Blog
http://myvwbus.tangerinemoons.com/

1973 Westfalia
"Getting better....one repair at a time."

Other VW's owned through the years, in no particular order:
'67 Beetle,
'67 Ghia Hardtop,
'72 Ghia Convertible,
'72 Westfalia

fastmc25 · Posted: Tue Jun 23, 2009 7:03 am Post subject:

Like said on the other thread......... http://www.thesamba.com/vw/forum/viewtopic.php?t=115058&postdays=0&postorder=asc&start=0

Fatmat for sound deadening is pretty good at a fraction of the cost..... then i followed it with a thermal insulation i found on Ebay...... it's high density foam bonded inside a silver polymer for heat reflection. Smile

No odors and equal to DynoMatt ... Cool

Here is the thermal insulation i used......... i love this stuff........ Very Happy

http://cgi.ebay.com/ebaymotors/Automotive-Heat-Sou...ccessories
_________________
Peace,

Paul
www.arklatexvwclub.com

1961 Deluxe Beetle (ALA- Original)
1973 Adventurewagen Baja Bus

"I spent the first 20 years of my life trying to bag some weed....... and now the rest of my life ....just bagging weeds......"

panic_fan · Posted: Tue Jun 23, 2009 2:05 pm Post subject:

peace.love.vanagon · Posted: Sat Jan 09, 2010 6:48 am Post subject:

soo its been a while since a new update and reflextics insulation after reading this sounds like the best idea for keeping heat. thats my main concern is to just trap and keep heat. so has there been anything new that people are trying and getting good results?
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1979 Westy

mywifesghia · Posted: Tue Jun 01, 2010 2:54 pm Post subject:

I thought I'd add this to the post. The cavities are bothersome to me, hate to leave them hollow and understand the fear of water and moisture. Saw this stuff http://greatstuff.dow.com/products/ps.htm
at ACE Hardware. About $8.50 a can. Might give it a try. Anyone use it or any thoughts?
_________________
'70 Ghia Coupe-My Wife's
'69 Squareback/'83 GTi-My Son's
'72 Bus-Mine
'06 Beetle-My Daughter's

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Cabin Insulation
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