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Removed Interior Floor Tar, Now What?


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During restoration, I removed all the "tar" covering the interior floorpan/footpans. Now that I am ready to spray the floor with epoxy, install sound deadening and then carpet, what's recommended to do with the floor before I do all this? Nothing? Re-tar it (is that a thing?)

 

Your feedback/insights are appreciated.

 

 

 

 

 

 

 

 

 

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1968 BMW 2002

1998 M Roadster

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I'd recommend resealing the 4 floor plugs unless the sealer used looks to be in great shape. Other than that clean and ruff up the floor as per the primer instruction and go for it.

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If everybody in the room is thinking the same thing, then someone is not thinking.

 

George S Patton 

Planning the Normandy Break out 1944

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I put sound deadening back on street cars.  

 

It really helps, as does a jute layer under the carpet.

 

t

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"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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I vote no on adding any tar. If you coat the floor with truck bed liner it will cut the noise quite a bit  when combined with a mat product.

Edited by Son of Marty
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If everybody in the room is thinking the same thing, then someone is not thinking.

 

George S Patton 

Planning the Normandy Break out 1944

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7 hours ago, TobyB said:

as does a jute layer under the carpet.

Main drawback with using jute under the carpet:  if you either have a heater or windshield leak, or your A/C condensate drain hose gets plugged and the pan overflows, or you track a lot of water in on your feet when it's raining, jute will hold water like a sponge--for days or weeks.  Water = rust even with paint on the floorboards. 

 

Suggest using 7/16" "rebond" carpet padding--the kind that's "pet-proof" since that stuff has a waterproof barrier that's equally good for pet pee and water.  You can usually scrounge free pieces from a local carpet store--either by asking or a little dumpster diving.  Just get new stuff  😉.

 

mike

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'69 Nevada sunroof-Wolfgang-bought new
'73 Sahara sunroof-Ludwig-since '78
'91 Brillantrot 318is sunroof-Georg Friederich 
Fiat Topolini (Benito & Luigi), Renault 4CVs (Anatole, Lucky Pierre, Brigette) & Kermit, the Bugeye Sprite

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Well, I've been wrong before...

 

t

does agree that a sprayed sound deadening would probably work better.

But was also assuming a proper seal and encapsulation, first, not just 'paint'.

 

 

"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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5 hours ago, Mike Self said:

Main drawback with using jute under the carpet:  if you either have a heater or windshield leak, or your A/C condensate drain hose gets plugged and the pan overflows, or you track a lot of water in on your feet when it's raining, jute will hold water like a sponge--for days or weeks.  Water = rust even with paint on the floorboards. 

 

Suggest using 7/16" "rebond" carpet padding--the kind that's "pet-proof" since that stuff has a waterproof barrier that's equally good for pet pee and water.  You can usually scrounge free pieces from a local carpet store--either by asking or a little dumpster diving.  Just get new stuff  😉.

 

mike

Mike, the rust on my car's interior was a result of what you described. Well in addition to no longer having an AC unit I only painted the used used bedliner after I welded in new pans.Two reasons for this.My reasoning was that if I have heater core leak it will make the carpet wet and that is something I would notice much fater with no jute padding underneath.Secondly I wanted much less bulk to the pedal cluster area since its so small to begin with.

'67 Derby Grey VW Beetle

'76 Inka BMW 2002

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I'm in the exact same situation.  Is anyone using Resonix?  Seems to have a solid reputation, and they have test results vs other manufacturers (albeit not independent tests).

 

RESONIXSOUNDSOLUTIONS.COM

ResoNix Sound Solutions offers the best constrained layer damper sound deadeners on the auto, marine, industrial, and aerospace markets.

 

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After replacing my floors I covered them with the following:

 

1st layer: 2mm butyl for sound deadening/vibration dampening. 

WWW.AMAZON.COM


2nd layer: 8mm closed cell foam

WWW.AMAZON.COM

 

final layer: mass loaded vinyl.

WWW.ACOUSTIMAC.COM

Mass Loaded Vinyl is an excellent sound dampening material that is used for soundproofing. It can be...

 

 

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