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Old 05-25-2011, 10:46 AM   #21
Rowdy
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Default Re: Sound Insulation

Most Model A vendors offer a firewall insulation panel. Suppodely they are a precut piece that fit well. I have never used one yet, but I would imagine they are not silver. Rod
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Old 05-25-2011, 11:28 AM   #22
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Default Re: Sound Insulation

Yeah, they are $120 and black - seem nice. Brent, why don't you use it on Model A firewalls in particular? Do you have another recommendation?

PS - Is this stuff removable if I wanted to go back to "stock"?
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Old 05-25-2011, 11:41 AM   #23
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Default Re: Sound Insulation

JoeWay,

I believe the actual R-7 you speak of is based on 1" thick, therefore, 5/16" would be R-2.2

Other than a vacuum, the highest materials I can find are listed about R-7 (which is per inch thickness).

That said, wood is not all that bad.
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Old 05-25-2011, 11:41 AM   #24
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Default Re: Sound Insulation

The product referred to by Maclab58 is called Peal & Seal, product #154017. It's sold as a roof repair product. There are two reviews posted on lowes.com for this product, both from individuals who used it to insulate their vehicles! It would be useful to know the R value and its fire resistive capability.
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Old 05-25-2011, 12:14 PM   #25
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Default Re: Sound Insulation

I find it hard to believe that wood has such a low insulating value.
You can hold a burning stick and get no conducted heat. Naturally, you will get radiated heat. But, you could block that with another piece of wood.
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Old 05-25-2011, 02:07 PM   #26
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Default Re: Sound Insulation

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Here's a quote from a website devoted to log homes:

"The R-value for wood ranges between 1.41 per inch (2.54 cm) for most softwoods and 0.71 for most hardwoods."

So 0.75" plywood would have an R-value of just over 1.
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Old 05-25-2011, 08:48 PM   #27
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Default Re: Sound Insulation

Did mine with the Peel n Seal type stuff. Pretty happy with it.

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Old 05-27-2011, 05:36 PM   #28
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Default Re: Sound Insulation

Thanks everyone!
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Old 05-28-2011, 04:49 AM   #29
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Default Re: Sound Insulation

Lowes in Canada (Ottawa area) do not carry the product so we took a rainy day tour across the boarder and I picked up several rolls in Potsdam NY. Looking forward to the installation.
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Old 05-28-2011, 10:50 AM   #30
John LaVoy
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Default Re: Sound Insulation

Trying to quiet a Model A is tough, but if you were thinking about helping keep the heat out of the passenger space that is a real plus. We insulated the sedan when building that car and it makes the wife much happier!
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Old 05-28-2011, 10:21 PM   #31
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Default Re: Sound Insulation

I have a Panel Delivery so it has given me a great deal of latitude in insulating and sound proofing. The roof has a thin veneer external skin which has allowed me to back it up with 1" rigid foam insulation. This material is skinned on both sides with reflective alum. In fact the side walls, doors, floors, cowl and the inside of the former fuel tank are all lined with the same material. The original fuel tank is stored away, the rusted out tank I am now using has had it's bottom removed. My A/C unit and front heater occupy the area where gas was once stored, not visable to all.

All of the interior is paneled in Oak, covering and holding the rigid foam in place. No effort has been taken to conceal what alum. is visible under the dash or under the floorboards. I want to take full advantage of the reflective qualities the alum. skin. The front doors where the foam would interfere with rolling down the windows, has been reduced to 1/2" material.

With a marginal cooling and heating system, the retention of the cooling or heating efforts is critical. The use of the 1" material should also offer excellent sound deadening. Can this approach be used on coupes, sedans and pick ups? I doubt it, I lucked out with all of the near flat surfaces in our truck.
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Old 12-12-2011, 12:34 PM   #32
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Question Re: Sound Insulation

Using the Peel & Seal product, does anyone know how many rolls would be needed for a Tudor? Is there a need to use some type of tape on the seams between the pieces?
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Old 12-12-2011, 12:45 PM   #33
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Default Re: Sound Insulation

I like the sound proofing so I can hear the stereo better! LOL
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Old 12-12-2011, 01:12 PM   #34
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Default Re: Sound Insulation

I just use a rubberized spray undercoating on inner body and door panels put out by Rust-Oleum. It says it's paintable,(who cares?), and fast drying. After it dries, I don't notice any smell from it. I use nothing on floorboards (or firewall yet), as I'm hesitant about the use of anything applied to the right side firewall where it does get awfully hot right behind exhaust pipe. I do care about the "original" appearance of toe board.I like the sounds of the engine, never thought it was loud anyway.
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Old 12-12-2011, 02:18 PM   #35
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Default Re: Sound Insulation

Home Depot carries a product called Quick Roof from a lot of internet research I read it seems to stick better than the Peel and Seal about the same price,roofing suppliers have both products in wider widths.
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