Easy Dy­na­mat in­stal­la­tion

If you peel away the lay­ers of any new car, it’s easy to see why they’re so quiet. With sound dead­ener ma­te­ri­als that soak up the sound and keep the in­side of the ve­hi­cle cool in sum­mer (or warm de­pen­dent on the time of year) it’s no won­der. While the use of Dy­na­mat to in­su­late a clas­sic ve­hi­cle isn’t new, what’s new is the va­ri­ety of prod­ucts now of­fered and the kits that make this in­stal­la­tion eas­ier than ever.

For our 1974 Ply­mouth Duster, we were at that stage when the in­te­rior was stripped out of the ve­hi­cle leav­ing the bare floor ready for pad­ding and car­pet­ing. With the door pan­els out of the way, this was also the per­fect time to in­su­late these ar­eas. To prep, we did a com­plete clean­ing of the metal ar­eas with de­ter­gent to re­move any sol­vent or greasy ar­eas fol­lowed by lac­quer thin­ner. Re­mov­ing any rem­nants of the residue is key to cre­at­ing an area that’ll al­loy the Dy­na­mat to stick fully.

For those un­fa­mil­iar, Dy­na­mat Xtreme, ac­cord­ing to their web­site, is a “thin, su­per sticky butyl rub­ber bonded to an alu­minum al­loy skin” and it’s de­signed “to be the most ef­fec­tive sound con­trol ma­te­rial avail­able.” From pre­vi­ous ex­pe­ri­ence, we noted that Dy­na­mat doesn’t smell (some other prod­ucts do emit an odor) and sticks where you put it. There are also no drips or residue once it’s in­stalled like some liq­uid-based sound dead­en­ing coat­ings.

Along with the Dy­na­mat Xtreme, we in­stalled an­other of its close cousins, Dy­naliner. Avail­able in ½-, ¼- and 1/8-inch thick­nesses, this self-ad­he­sive soft, closed cell rub­ber mat­ting re­duces heat, re­sists oil and wa­ter, and pro­vides a ther­mal bar­rier against heat. If you want your au­dio sys­tem to sound great, this is the stuff that’ll make your car into a sound stu­dio.

Both of these prod­ucts are eas­ily formable to the shape of the sur­face you’re cov­er­ing. We were able to cut them with a sharp knife to make them fit the sur­face. We ap­plied the Dy­na­mat to the in­te­rior in­clud­ing door pan­els, pack­age tray, floor­ing, head­liner, trunk, trunk lid, and in­ter­nal sail pan­els. Fol­low along as we show you how to make your ve­hi­cle quiet and cool in about two hours.

Our 1974 Ply­mouth Duster stands ready to re­ceive its sound and tem­per­a­ture proof­ing, cour­tesy of Dy­na­mat.

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