Re: [Amc-list] Sound mats and belts

[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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