{"product_id":"394mil-36sqft-car-sound-deadening-material-10mm-foam-heat-shield","title":"394mil 36sqft Car Sound Deadening Material - 10mm Foam Heat Shield","description":"\u003cp\u003eIn this review of the 394mil 36sqft sound deadening material, the bottom line is simple: it is aimed at car owners and DIY installers who want a straightforward way to cut cabin noise and reduce heat with a durable, adhesive foam panel. The pack delivers three-layer construction with an aluminum foil face, a thick 10mm closed cell foam core and a high-strength adhesive backing, which makes it effective for hood insulation, trunk liners, RV window insulation and automotive flooring. It is not a decorative trim piece but a functional insulation and sound control mat for practical projects.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-layer construction:\u003c\/strong\u003e The aluminum foil face, thick 10mm closed cell foam and strong back glue combine to block noise and reflect heat for improved comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh density foam:\u003c\/strong\u003e The 10mm closed cell foam offers anti-extrusion strength that resists collapse so the material keeps performance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflective heat barrier:\u003c\/strong\u003e The foil layer reduces heat transfer and was reported to reflect significant heat when used around windows or engine bay areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong adhesive backing:\u003c\/strong\u003e The supplied glue sticks firmly to panels and carpets, and the peelable backing paper makes placement and installation easier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to trim and fit:\u003c\/strong\u003e The sheet cuts cleanly to size for hoods, trunks, firewall patches, flooring and RV window covers without bunching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple thickness options:\u003c\/strong\u003e Available in a range of thicknesses so users can pick 4mm, 6mm, 8mm, 10mm or thicker for different clearances and needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits DIYers, audio enthusiasts and vehicle owners who need a simple, effective way to reduce road and engine noise while adding heat resistance to panels and windows. It is particularly useful for people adding a hood insulation pad, lining an RV window area or improving trunk and floor damping without custom fabrication.\u003c\/p\u003e\n\u003cp\u003eIt is less suited to someone seeking a decorative interior finish or who needs an ultra-thin material for extremely tight gaps; for those applications a thinner foam option in the same product family would be a better fit. Also, professional installers who require butyl-based multi-layer deadeners with added mass may prefer a different class of material.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEffective noise reduction that improves in-cabin sound quality when applied to floors and panels.\u003c\/li\u003e\n\u003cli\u003eSolid heat reflection from the aluminum foil layer, helpful for hood insulation and window areas.\u003c\/li\u003e\n\u003cli\u003eDurable closed cell foam with good anti-extrusion performance, maintaining shape over time.\u003c\/li\u003e\n\u003cli\u003ePeel-and-stick backing speeds up installation and holds firmly once applied.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdhesive strength can vary by surface and preparation, so careful cleaning is needed for best bond.\u003c\/li\u003e\n\u003cli\u003eThe 10mm thickness may be too thick for very tight clearance areas without choosing a thinner option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum foil + closed cell foam + adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e10mm (other thicknesses available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003e36 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAggSound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary uses\u003c\/td\u003e\n\u003ctd\u003eHood insulation, RV window insulation, trunk and floor sound deadening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdhesive\u003c\/td\u003e\n\u003ctd\u003eHigh quality back glue with peelable backing paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 394mil 36sqft 10mm foam sound deadening mat is a practical, value-oriented choice for car owners and DIY installers who want to reduce noise and reflect heat without complex installation. It pairs durable closed cell foam with a reflective foil layer and strong adhesive, making it a sensible pick for hood pads, RV windows and flooring work when clearance allows. For most users it represents solid performance and affordable insulation value.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be cut to fit small areas?\u003c\/strong\u003e\u003cbr\u003eYes. The closed cell foam and foil face cut cleanly with a utility knife or shears to fit hoods, trunks and window perimeters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the adhesive hold on painted metal?\u003c\/strong\u003e\u003cbr\u003eIt will stick well if the surface is thoroughly cleaned of grease and loose paint; adhesion improves on clean, dry metal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 10mm thickness suitable for all cars?\u003c\/strong\u003e\u003cbr\u003e10mm is ideal for many applications, but for very tight gaps choose a thinner option in the product line to avoid clearance issues.\u003c\/p\u003e","brand":"AggSound","offers":[{"title":"Default Title","offer_id":48232676589787,"sku":"B0BX3XYY2D","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71wA21NKk_L._AC_SL1500.jpg?v=1770731936","url":"https:\/\/gearmusthave.com\/products\/394mil-36sqft-car-sound-deadening-material-10mm-foam-heat-shield","provider":"GearMustHave","version":"1.0","type":"link"}