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73healey Member
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I have heard a lot of good things regarding Dynamat and Dynaliner. Is it necessary to use Dynamat under Dynaliner if I am more concerned about reducing the heat in the driving area. The site recommends using the Dynaliner on top of Dynamat. Has anyone just used the Dynaliner? Any suggestions?? Thanks Jim 10646 |
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Jensen Healey Super Moderator 
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I think Dynamat and Dynaliner are acoustic barriers and not designed to be a thermal barrior. A better thermal barrier would be foil/foam/foil or foil/bubble/foil/bubble/foil. http://www.insulation4less.com/highr_FfmF.asp To reduce the heat soak of the firewall and floorpan a foil covered insulation could be applied to the engine side. http://store.summitracing.com/partdetail.asp?autofilter=1&part=TAY%2D2544&N=400235+4294845359+115&autoview=sku Kurt |
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Greg Fletcher Administrator 
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Dyna Shield is nice for small areas. I tried Extremeliner, yet more Dynamat product (try spreadable Dyna-Cheese as a tasty snack with crackers.) on the inside firewall area, but not sure if I would bother doing that again. It's rather bulky (4 part composite with lead barrier!), heavy and expensive. I think the DynamatExtreme provides some basic thermal resistance that's enough for I need it for. |
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Jensen Healey Super Moderator
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Yes, anything is a lot better than nothing. I've used insolite camping pads under the carpet because that's what was in the garage! They are light and insulate well. Kurt DynaCheese Whiz? |
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John Finch Member
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I used a 1/4" wool type insulator backed with foil on one side. Easy to cut and fit. Basically its a water heater type wrap. About $35.00 was enought to do the entire interior and part of the trunk. Can't remember the name of it but I bought it from Pals Hot Rod Parts 14913 92nd Circle NE Otsego, MN, 55330 763-241-1601 Give them a call to find the mfg name, do a web search for their site and find a local dealer to see first hand if you think it might be ok for you. I am pleased with the results so far. I used spray adhesive to get it to stay put in vertical and other difficult areas and foil tape to seal seams where necessary. Never drove the car prior to installing so have nothing to compare to but its gotta help. John Last edited on 06-22-2006 08:34 pm by John Finch |
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73healey Member
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Thanks to all for your help. Kurt, have you tried the material from the "insulation4less" site? In particular the Prodex which is the foil-foam-foil material. It looks promising. DynaCheese!!!! - I smell a rat. Jim 10646 |
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Dana McPeek Guest
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Though not specifically designed to heat insulation, Dynamat and it's clones do an exceptional job of insulating heat, within limits. I remember seeing stats that siad it was good to 250 degres F. I now have a MiniTemp and will try to get some actual field results. Will post here, but I am sure that you will be impressed with the sound insulation alone. I swear by the stuff! Dana |
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