{"product_id":"car-sound-deadener-heat-shield-78x39-in-21-sqft-hood-firewall","title":"Car Sound Deadener Heat Shield 78x39 in 21 sqft - Hood \u0026 Firewall","description":"\u003cp\u003eOur review of this car sound deadener finds it best suited for DIYers and mechanics who need a lightweight, heat-resistant barrier for the hood or firewall. The single biggest reason to buy is the combined thermal and acoustic protection: the aluminum-coated foam provides a clear reduction in engine noise while blocking heat that can damage paint. Installation is straightforward because the roll is workable at 78 x 39 in and can be trimmed with scissors, making it an efficient option for those fitting a car, truck, RV, or custom project.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and coverage:\u003c\/strong\u003e The 78 x 39 in roll supplies about 21 sqft of material, enough for hood or firewall applications on many vehicles without excess waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum-coated foam:\u003c\/strong\u003e The reflective aluminum surface acts as a heat barrier to help prevent engine heat from damaging paint and reduces radiated heat into the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkable thickness:\u003c\/strong\u003e At about 0.236 in thick, the pad is substantial enough for sound and heat control yet thin enough to trim with scissors and shape around contours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e The foam construction resists moisture, which helps protect metal surfaces from rusting when installed correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility with vibration mats:\u003c\/strong\u003e It pairs well over a 0.079 in butyl vibration deadening mat to improve both heat insulation and sound dampening performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at vehicle owners and hobbyists who want an affordable, easy-to-install option to reduce engine noise and heat transfer. It suits people fitting a hood liner, firewall shield, or adding thermal insulation to a truck or RV where a lightweight roll is preferred.\u003c\/p\u003e\n\u003cp\u003eThose seeking a permanent adhesive-backed liner or a heavier, integrated damping system for long-term structural reinforcement should look elsewhere; the roll's adhesive performance drew mixed comments in user feedback, so professional installers who need guaranteed long-term bond may prefer a different product.\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 at reducing engine noise and retaining heat where installed.\u003c\/li\u003e\n\u003cli\u003eEasy to cut and shape by hand, which speeds up DIY installation.\u003c\/li\u003e\n\u003cli\u003eLightweight 21 sqft roll covers common hood and firewall areas without excess bulk.\u003c\/li\u003e\n\u003cli\u003eWater-resistant construction helps protect panels from rust when properly installed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdhesive stickiness and durability received mixed reports, so some installations may require additional fasteners or adhesive support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAbahub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e78 x 39 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003eApproximately 21 sqft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003eAbout 0.236 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface\u003c\/td\u003e\n\u003ctd\u003eAluminum-coated foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater resistance\u003c\/td\u003e\n\u003ctd\u003eWater resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis Abahub insulation roll delivers solid value for DIYers who need a combined \u003cstrong\u003eheat shield\u003c\/strong\u003e and sound dampening layer that is easy to trim and apply. It is a practical choice for hood and firewall work when paired with a thin butyl vibration mat, though installers who require a guaranteed long-term adhesive bond should plan to add mechanical fasteners or extra adhesive.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be cut with household tools?\u003c\/strong\u003e\u003cbr\u003eYes, the 0.236 in thickness is designed to be cut with scissors or a utility knife for easy fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it prevent rust?\u003c\/strong\u003e\u003cbr\u003eThe material is water resistant and helps protect metal from moisture, but proper surface prep and sealing are still recommended to prevent rust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a fireproof material?\u003c\/strong\u003e\u003cbr\u003eThe aluminum coating provides a fire-resistant barrier suitable for hood and firewall insulation, though it is not a substitute for certified fireproof systems in specialized applications.\u003c\/p\u003e","brand":"Abahub","offers":[{"title":"Default Title","offer_id":48628214694107,"sku":"B07V6T96PT","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81ohZQAA0vL._AC_SL1500_49647ac8-e084-45e0-a314-d38bee974d6e.jpg?v=1778515891","url":"https:\/\/gearmusthave.com\/products\/car-sound-deadener-heat-shield-78x39-in-21-sqft-hood-firewall","provider":"GearMustHave","version":"1.0","type":"link"}