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DsplitWindowguy
Samba Member
Joined: July 30, 2021
Posts: 36
Location: OR
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 Posted: Tue Feb 15, 2022 11:46 am Post subject: insulating my 63 split |
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| Hi i want to insulate with either Xcel or Kilmat, and use the adhesive backed peel and stick rubber they have. What thickness do I use- 1/4 in or 1/2 in. I need to do entire inside, floors too it gets wet and cold here on the OR coast.. so help away everyone, I need it!!! |
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sgellis
Samba Member
Joined: July 06, 2016
Posts: 2232
Location: SW Nova Scotia, Canada
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zundapp
Samba Member
Joined: August 16, 2004
Posts: 514
Location: Never far from Fahrvergnügen
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| Posted: Tue Feb 15, 2022 3:04 pm Post subject: Re: insulating my 63 split |
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| sgellis is correct. Keep in mind that the R-value is higher with some air space between multiple layers of the aluminum-backed insulation. You're not going to get an R21 with a single layer. I know it's not possible to have a 2" space in most areas of a bus, but 2 layers with as much air space as possible is better than one. Ideally, you wouldn't want the foil surface to touch the exterior panels of the bus because you lose the thermal reflectivity of the insulation through conduction. It doesn't need to be glued down either. |
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DsplitWindowguy
Samba Member
Joined: July 30, 2021
Posts: 36
Location: OR
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| Posted: Wed Feb 16, 2022 7:42 am Post subject: Re: insulating my 63 split |
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| Thanks so much for the advice, I need all the hep I can get!! |
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DsplitWindowguy
Samba Member
Joined: July 30, 2021
Posts: 36
Location: OR
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| Posted: Wed Feb 16, 2022 7:48 am Post subject: Re: insulating my 63 split |
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| I m tying to insulate for heat/cold, as well as noise. That is the hard part finding insulation for heat/cold. |
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sgellis
Samba Member
Joined: July 06, 2016
Posts: 2232
Location: SW Nova Scotia, Canada
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| Posted: Wed Feb 16, 2022 8:34 am Post subject: Re: insulating my 63 split |
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| DsplitWindowguy wrote: |
| I m tying to insulate for heat/cold, as well as noise. That is the hard part finding insulation for heat/cold. |
Is this for camping or just driving?
Don't get hung up on R value. Most of the heat loss will be through windows and exposed metal anyway.
I recommend the aluminum foil bubble wrap. Very light and wont hold water. Two layers will be fine but I used 3. Used a little foil tape to hold it in until walls went on. Very happy with it. I also sprayed Rust Check in the walls and framing before installing the bubble wrap to prevent rust.
This is what I ordered and had 100 sqft left over.
https://www.amazon.ca/gp/product/B07G64N67F
Click floor foam underlay with foil will do under floors. Doesn't add much but will definitely help. I picked mine up from a local flooring shop. I didn't glue anything in.
_________________
My 64 Kombi restoration
My camper interior build
My 54 standard restoration
The Nova Scotian Barndoor (YouTube)
The Nova Scotian Barndoor (CAD drawings) |
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johny__utah
Samba Member
Joined: September 02, 2008
Posts: 440
Location: Arizona/California
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| Posted: Wed Feb 16, 2022 11:58 am Post subject: Re: insulating my 63 split |
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I installed strips of kilmat to lessen the noise and vibration then lined my entire camper (behind paneling) with R-Tech 1/2 inch R-1.93 Insulating sheathing. 4x8 sheets are about 10 bucks at Home Depo. No glue needed, easy to cut, works great in hot and cold weather. Bendable foam board with foil on one side.
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1956 L31
1961 L346 L347
1963 L380 L289 |
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Clara 
Samba Member
Joined: June 14, 2003
Posts: 12673
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| Posted: Wed Feb 16, 2022 12:21 pm Post subject: Re: insulating my 63 split |
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| DsplitWindowguy wrote: |
| I m tying to insulate for heat/cold, as well as noise. That is the hard part finding insulation for heat/cold. |
I have used reflectix as well
First, make sure your heater works as well as possible... so go to the FAQ and follow the link for that, and make sure it turns all the way on, which make involve adjusting the heater cables.
Second, make sure you have a working thermostat. In Oly, WA the engine would not warm up properly in winter without one, and the heat would only be lukewarm.
This is my kombi on a 40F January day in Oregon:
I also added more insulation to the heater tube (note typical PNW rocker rust):
roof of a DC:
Also, what model bus? Is the interior complete? After installing cab roof panels in my Kombi I was MUCH warmer, even though the back had no roof panels.
After installing door panels, the leg by the door was warmer.
(I make and sell interior panels, blatant shameless plug, see my ads)
My kombi has rust holes and is drafty, and is not so warm in the back from the drafts around the cargo doors.
A rust free bus with new seals holds the heat pretty well. 
I did NOT put anything under the floor mats, as I was concerned about it holding moisture and adding to rust.
The heavy rubber VW floor mats help against noise and cold, BTW, so install floor mats if you have not already.
tar board sound insulation for above engine:
https://www.thesamba.com/vw/forum/viewtopic.php?t=148902&highlight=tar+boards
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The Obsolete Air-Cooled Documentation Project http://oacdp.org/ |
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DsplitWindowguy
Samba Member
Joined: July 30, 2021
Posts: 36
Location: OR
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| Posted: Thu Feb 17, 2022 11:34 am Post subject: Re: insulating my 63 split |
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| I have a 63 kombi, insides are all metal, nothing else in there at all, so I am looking for heat/cold, and then noise,, thanks so much for all the tips and advice!!! |
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Clara
Samba Member
Joined: June 14, 2003
Posts: 12673
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| Posted: Thu Feb 17, 2022 1:50 pm Post subject: Re: insulating my 63 split |
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Is it a kombi or a microbus?
a late 63 came with thin foam insulation glued to inside of the nose
The insulation has cut outs for the emblem clips.
from your gallery:
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The Obsolete Air-Cooled Documentation Project http://oacdp.org/ |
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