{"product_id":"siless-liner-157-4mm-pe-foam-sound-deadening-roll-36-sq-ft-self-adhesive-heat-vibration-barrier","title":"Siless Liner 157 4mm PE Foam Sound Deadening Roll — 36 sq ft, Self-Adhesive Heat \u0026 Vibration Barrier","description":"\u003cb\u003eSiless Liner 157 is a 4 mm closed-cell polyethylene foam roll with self-adhesive backing that blocks radiant heat, reduces vibration, and provides a waterproof thermal barrier for vehicles.\u003c\/b\u003e\n\n\u003cp\u003eThis high-density, closed-cell PE foam mat is designed for automotive insulation and sound deadening. Offered as a single roll covering 36 sq ft, Siless Liner 157 combines lightweight construction with waterproof performance and a peel-and-stick adhesive layer to make installations straightforward. It’s engineered to help control cabin temperatures, minimize road and engine vibration transmission, and resist moisture and odors for long-term durability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Siless Liner 157 reduce heat transfer in a vehicle?\u003c\/h3\u003e\n\u003cp\u003eSiless Liner 157 works primarily as a radiant heat blocker thanks to its closed-cell structure and thermal barrier properties. The foam traps air, slowing conductive heat flow, while the mat’s dense composition interrupts radiant heat paths from the engine bay and exhaust areas.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThickness: 157 mil (4 mm) provides a thermal buffer between heat sources and cabin panels.\u003c\/li\u003e\n  \u003cli\u003eClosed-cell PE structure resists heat conduction and moisture uptake.\u003c\/li\u003e\n  \u003cli\u003eEffective at lowering radiant heat transfer from engine and exhaust areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product help reduce road and panel vibration?\u003c\/h3\u003e\n\u003cp\u003eYes — while not a heavy mass-loaded barrier, Siless Liner 157 dampens vibration and reduces rattles by interrupting panel-to-panel resonance. Its compressible foam layer absorbs and disperses energy, improving acoustic comfort without adding significant weight.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompressible foam reduces panel resonance and high-frequency rattles.\u003c\/li\u003e\n  \u003cli\u003eAdhesive backing bonds to metal and interior surfaces for stable damping.\u003c\/li\u003e\n  \u003cli\u003eLightweight solution that won’t overload vehicle panels or trim.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and maintain Siless Liner 157?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: clean the surface, peel the liner’s release paper, and press the adhesive side to the target area. The foam is flexible and can be trimmed with standard tools; a roller helps ensure full adhesion but isn’t required for smaller jobs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSelf-adhesive backing for peel-and-stick application on clean, dry surfaces.\u003c\/li\u003e\n  \u003cli\u003eFlexible and compressible — conforms to curved panels and irregular shapes.\u003c\/li\u003e\n  \u003cli\u003eWaterproof, odorless material that resists mold and moisture buildup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the product specifications and operating limits?\u003c\/h3\u003e\n\u003cp\u003eThe roll ships as a single-piece self-adhesive mat sized to cover 36 ft², ideal for floors, doors, roofs, trunks, or firewall areas. It’s rated to handle typical automotive temperature ranges and matches rubber foam performance up to elevated temperatures noted for polymer foams.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThickness: 157 mil \/ 0.157 in \/ 4 mm.\u003c\/li\u003e\n  \u003cli\u003eCoverage: 36 square feet per roll; roll dimensions ~15.74 x 330.7 inches.\u003c\/li\u003e\n  \u003cli\u003eWaterproof closed-cell PE foam with factory-applied adhesive layer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Siless Liner 157 is suited to car owners, DIY enthusiasts, and professional installers seeking an affordable, lightweight thermal and acoustic upgrade. It’s a practical choice for people who want to reduce cabin heat and noise without the weight and cost of heavier sound-deadening materials. Use it on doors, floors, trunks, firewalls, and interior panels when you need a moisture-resistant, flexible insulation layer that’s easy to cut, position, and adhere.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I cut Siless Liner 157 to fit custom shapes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The closed-cell PE foam trims easily with a utility knife or scissors for custom fits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the material waterproof and odorless after installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The closed-cell foam is waterproof, resists moisture, and has no inherent odor.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Siless","offers":[{"title":"Default Title","offer_id":55171575677271,"sku":"B07B75PD8B","price":84.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/siless-liner-front-roll.jpg?v=1790448386","url":"https:\/\/britishgarage.co.uk\/products\/siless-liner-157-4mm-pe-foam-sound-deadening-roll-36-sq-ft-self-adhesive-heat-vibration-barrier","provider":"British Garage","version":"1.0","type":"link"}