Re: [Amc-list] Sound mats and belts

[Wrambler242@xxxxxxxxxxx]

My front floorpans are glassed. They were solid but the jute backing on the rubber matt let the moisture perforate them. So I tried Dick Datsons method and after close to 10 years now they are still solid as a rock.
   I figure for the usage it will see I will try a roll on aplication, just have to figure out which is the best going by other peoples experience.
  If it peels or flakes I can scrap and touch it up.
The Grace Ultra is not thicker but rather it has a butyl adhesive base instead of the standard adhesive, so it holds up to heat better.  If I can't get it at a decent price I may just use the regular dam and see how it holds up.
  Or, if I'm running low at that point I'll buy one of the better grade acoustic peel and sticks for the doors as they are either all butyl or have the butyl adhesive, that's why I want to see if the Grace ultra is available here.

  The good thing to help is the American is white. That should help keep panel temps down some in the sun.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
" I realize that death is inevitable.
I just don't want to be around when it happens! "

 -------------- Original message ----------------------
From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)
> " From: Wrambler242@xxxxxxxxxxx
> " 
> " I did some online searching and see that Grace makes an ice dam now for
> " high temp areas and under metal roofs.
> " So, I'm going to see if it is availabel local.
> " Stuff is heavy, shipping is high.
> " The Grace ultra uses butyl adhesive, if I can get it I'll us it in the
> " doors and other vertical places.
> 
> really heavy?  i'd be concerned about adding load to the hinges.
> 
> " Last effort will be, i hope, to use bedliner and roll it on the
> " underside of the floors as they need prettied up anyway.
> 
> i looked into this a while ago for a friend.
> 
> there are several types of bedliner, and the best ones need to be
> sprayed on hot.  they are of course substantially more expensive and
> can't be done at home.
> 
> all of them need careful surface prep to make them stick properly; if
> you don't, they just bead up.  one site said good jobs were 90%
> preparation, 10% application.
> 
> i wanted to try phosphoric acid etch/treatment, zinc phosphate primer,
> then urethane paint primer.  then depending on solvent system
> compatibility, apply the bedliner before the primer was fully
> dry/cured.
> 
> this might be a tolerable soundproofing inside your floorpans as well
> as a pretty thorough rustproofing.  spray-on bedliner can be as thin
> or as thick as you like.
> 
> " --
> " Mark Price
> " 
> "  -------------- Original message ----------------------
> " From: Tom Jennings <tomj@xxxxxxx>
> " > 
> " > 
> " > >    I'm going to buy Ice dam and do the floors with 2 layers +- as it won't 
> be 
> " > able to peel off and fall down anywhere!
> " > 
> " > For what it's worth -- when I did the floors on the Hornet, I used 
> " > dynamat or something for sound, but also that quilted layered silver 
> " > stuff for heat, on the firewall and trans hump, roof and other places.
> " > 
> " > But I left a 12" area on the very bottom of each floor so that water, if 
> " > it gets in there, can wick up and evaporate.
> " > 
> " > THe last thing I wanted to do was create a place for water to collect 
> " > FOR EVER like the factory rubber mats did on my Classic.
> " > 
> " > I figured losing that much insulating area wouldn't make much 
> " > difference. No way to tell, but it's certainly th quietest car I have.
> 
> this would depend on the insulating factor.  if it's relatively high,
> then only a small uninsulated area will conduct a lot of noise and
> significantly degrade the insulation effectiveness.
> 
> have you considered weep holes?
> ________________________________________________________________________
> Andrew Hay                                  the genius nature
> internet rambler                            is to see what all have seen
> adh@xxxxxxxxxxxxxxxxx                       and think what none thought
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