| Duct board insulation [message #146945] |
Tue, 18 October 2011 16:35  |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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Senior Member |
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| Ken Henderson wrote on Mon, 17 October 2011 18:43 |
Steve,
One of the best things I did while my engine was out in '98 was to cover the
entire cockpit floor, steps, and risers with 1" fiberglass duct board (dense
fiberglass board covered on one side with aluminized kraft paper). It's
very fire and heat resistant as well as being a good sound insulator -- at a
very cheap cost, about $35 per 4'x8' sheet back then, from HVAC suppliers.
There are probably better products for some of the features, but surely at
much higher cost. Aside from some fraying of some edges where I didn't do a
good job of sealing them with aluminum foil duct tape, it's still in very
good condition -- looks almost new.
Ken H.
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Ken - how did you attach the duct board to the coach?
I was thinking of using galv drive screws and fender washers. Any other ideas?
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: [GMCnet] Duct board insulation [message #146951 is a reply to message #146945] |
Tue, 18 October 2011 16:57  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Steve,
Liquid nails + fender washers & screws on about a 12" grid. I've had no
problems except at the edges. Before you install each piece, apply aluminum
foil tape to the aluminized side with about 1" of contact, then wrap the
remainder around the edge and onto the exposed fiberglass back, then apply a
piece to that slight wrap and as far as possible onto the fiberglass. That
should give you enough tape to glue to the floor so that it won't come
loose. I DID NOT do it that way, so my edging's only secured to the foil
side & "flaps around" on the exposed edge.
HTH,
Ken H.
On Tue, Oct 18, 2011 at 5:35 PM, Steve Southworth <midlf@centurytel.net>wrote:
> Ken - how did you attach the duct board to the coach?
>
> I was thinking of using galv drive screws and fender washers. Any other
> ideas?
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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