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Help with customizing #746673
March 27th 2019 9:38 am
March 27th 2019 9:38 am
Joined: Mar 2019
Posts: 10
North Adams
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stpaddy2017 Offline OP
stranger
stpaddy2017  Offline OP
stranger
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Joined: Mar 2019
Posts: 10
North Adams
Hi All,

My Name is Rob Grew up in The Hub.....if ur not from here that's Boston love this forum was hoping for somw help starting my build.

I have a 2004 GMC Savana 3500 extended van with 6.0L . The type you see made in to dual rear wheel box trucks etc.The idea was to use it for part time work and use the bed im building as a tool box. I just started the build I live in New England so spring just sprung and I'm eager to get to it. I got my hands on 1 3/8" thick closed cell foam typically used for Gym flooring but has an R-value of I believe approx R-9, more than I would get from board or fiberglass insulation and it fits between wall braces perfectly depth wise.

1st) I have researched the foam Approx $5 SF ouch (got enuf for 2 vans free from ymca ) and it seems perfect for sound and weatherization. it's anti- microbial/bacterial closed cell with a thin layer of what looks like a scotch brite pad. I will post pics but am wondering scotch brite side against wall or foam?? or does it matter?

2nd) a couple cases of flex seal ummm fell off a truck in front of me I couldn't catch up to return em so I plan to spray the entire inside ( Walls n Ceiling at least for dampening purposes) with approx. an 1/8 to 1/4" I have done 2 panels and it seems to work well. Does anyone see problems arising from that? I think 24 cans will be plenty to provide a nice coat for dampening/deadening purposes.

3) I was considering spray glueing mylar to the walls and ceiling to reflect the sun beating on the van and cooking the wife and I. AC I would like to avoid as it's a gas pig already. Should I do this Before adding the foam right to flex seal? before flex seal right to body? or should I glue it to the inside of the 1/4" walls I will be putting in?

4) I also have 1/4" flooring made of 3/8" thick MLV for floor from firewall to back. so I think I have a decent handle on reducing outside noise. Does anyone have any good ideas for reducing sound around firewall and engine cover? I will post more pics this afternoon but wanted to show the foam wondering if anyone else has used it before??

5) I have also read a lot of conflicting things on vapor barrier or not????. thinking unnecessary because of ant-bacterial properties of foam but i'm not sure?? Is the mylar a good idea?? for the cost which would prob be under $50 I would think yes but am stuck on where it should go and should I have 2 coats reflective side out against body for summer and reflective side facing in on interior walls for winter or will it matter??

50 degrees today so will be working on it and add more pics later but opinions on the flex seal and Mylar would be awesome!

Please feel free to offer any comments or ideas. would love to be done in time for some camping with it by end of summer. Any help would be greatly appreciated.
Thanks
Rob

Attached Files
20190326_152702.jpg (74 downloads)
20190326_154316.jpg (74 downloads)
20190326_152544.jpg (74 downloads)
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Re: Help with customizing [Re: stpaddy2017] #746674
March 27th 2019 9:46 am
March 27th 2019 9:46 am
Joined: Mar 2019
Posts: 10
North Adams
S
stpaddy2017 Offline OP
stranger
stpaddy2017  Offline OP
stranger
S
Joined: Mar 2019
Posts: 10
North Adams
also I will most likely have enough left over foam foe a 2nd van if anyone is interested we can work something out for shipping and will gladly donate it to someone on a tight budget like myself. I know the foam is not ideal compared to spraying the entire thing with lizard skin or something similar but cant justify buying probably 5-7 gallons to do it properly so I'm gonna take a shot with it and keep updating to show results of sound with and without.
thanks again for any opinions or help you can add
Rob StPaddy

Re: Help with customizing [Re: stpaddy2017] #746679
March 27th 2019 1:05 pm
March 27th 2019 1:05 pm
Joined: Jun 2010
Posts: 14,305
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 14,305
Van Diego California
Welcome to the site Rob ...


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Help with customizing [Re: stpaddy2017] #746702
March 27th 2019 10:26 pm
March 27th 2019 10:26 pm
Joined: Jan 2019
Posts: 61
Indiana
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Gnarlyfoot Offline
journeyman
Gnarlyfoot  Offline
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Joined: Jan 2019
Posts: 61
Indiana
Welcome to the vannin community .

Re: Help with customizing [Re: stpaddy2017] #746730
March 29th 2019 6:38 am
March 29th 2019 6:38 am
Joined: Feb 2002
Posts: 26,189
Pittsburgh,Pa USA
newkirkinc1 Offline
Old Timer
newkirkinc1  Offline
Old Timer
Joined: Feb 2002
Posts: 26,189
Pittsburgh,Pa USA
welcome to the site.


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Re: Help with customizing [Re: stpaddy2017] #746739
March 29th 2019 6:07 pm
March 29th 2019 6:07 pm
Joined: Nov 2013
Posts: 3,413
Michigan
Dyno_Dave Offline
pooh-bah
Dyno_Dave  Offline
pooh-bah
Joined: Nov 2013
Posts: 3,413
Michigan
Welcome aboard!

[Linked Image]

Re: Help with customizing [Re: Dyno_Dave] #746755
March 29th 2019 9:46 pm
March 29th 2019 9:46 pm
Joined: Mar 2019
Posts: 10
North Adams
S
stpaddy2017 Offline OP
stranger
stpaddy2017  Offline OP
stranger
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Joined: Mar 2019
Posts: 10
North Adams
Originally Posted by Gnarlyfoot
Welcome to the vannin community .

thank you any advice on the foam or other insulation ideas I have?
Originally Posted by Dyno_Dave
Welcome aboard!

[Linked Image]



thank you any advice on the foam or other insulation ideas I have?

Re: Help with customizing [Re: Gnarlyfoot] #746756
March 29th 2019 9:46 pm
March 29th 2019 9:46 pm
Joined: Mar 2019
Posts: 10
North Adams
S
stpaddy2017 Offline OP
stranger
stpaddy2017  Offline OP
stranger
S
Joined: Mar 2019
Posts: 10
North Adams

thank you any advice on the foam or other insulation ideas I have?

Re: Help with customizing [Re: frscke1] #746758
March 29th 2019 9:47 pm
March 29th 2019 9:47 pm
Joined: Mar 2019
Posts: 10
North Adams
S
stpaddy2017 Offline OP
stranger
stpaddy2017  Offline OP
stranger
S
Joined: Mar 2019
Posts: 10
North Adams
Originally Posted by frscke1
Welcome to the site Rob ...



thank you any advice on the foam or other insulation ideas I have?

Re: Help with customizing [Re: stpaddy2017] #746760
March 29th 2019 11:45 pm
March 29th 2019 11:45 pm
Joined: Jun 2010
Posts: 14,305
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 14,305
Van Diego California
foam on the wall will draw moisture without a plastic bearier ... home insulation will do the same. The moisture will rust out your van. Others know more than I do.

https://www.vanning.com/threads/ubb...her-with-wall-insulation.html#Post719394

https://www.vanning.com/threads/ubbthreads.php/ubb/showflat/Number/743398/Searchpage/1/Main/70881/Words/%2Binsulation/Search/true/re-insulation.html#Post743398


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
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