--- product_id: 516629410 title: "2 Rolls 4mm 280×40cm Automotive Thermal Pad Self Adhesive | Soundproof Pad | Automotive Insulation (2.23㎡)" brand: "aggsound" price: "4002646₫" currency: VND in_stock: true url: https://www.desertcart.vn/products/516629410-2-rolls-4mm-280-40cm-automotive-thermal-pad-self-adhesive store_origin: VN region: Vietnam --- # 98% heat transfer reduction 4mm dense closed cell foam Self-adhesive, easy 5-step install 2 Rolls 4mm 280×40cm Automotive Thermal Pad Self Adhesive | Soundproof Pad | Automotive Insulation (2.23㎡) **Brand:** aggsound **Price:** 4002646₫ **Availability:** ✅ In Stock ## Summary > 🔇 Silence the chaos, feel the luxury. ## Quick Answers - **What is this?** 2 Rolls 4mm 280×40cm Automotive Thermal Pad Self Adhesive | Soundproof Pad | Automotive Insulation (2.23㎡) by aggsound - **How much does it cost?** 4002646₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/516629410-2-rolls-4mm-280-40cm-automotive-thermal-pad-self-adhesive) ## Best For - aggsound enthusiasts ## Why This Product - Trusted aggsound brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** High-quality materials resist extrusion and maintain adhesion, ensuring long-term performance and durability. - • **Cut Noise, Not Corners:** Reduces up to 98% of heat transfer and significantly dampens road and engine noise for a serene drive. - • **Effortless DIY Installation:** Self-adhesive backing with included tools makes installation a breeze—five simple steps to upgrade your ride. - • **Premium 4mm Closed Cell Foam:** High-density foam ensures superior sound and heat insulation without compression over time. - • **Universal Fit for Every Ride:** Perfect 4mm thickness fits doors, hoods, trunks, floors, and firewalls without compromising space. ## Overview AggSound’s 4mm Sound Deadening Mat features a triple-layer design with high-density closed cell foam, premium adhesive, and backing paper, delivering exceptional noise and heat insulation. Covering 24 square feet, it reduces heat transfer by 98% and is engineered for easy, tool-assisted installation across multiple vehicle areas. Durable and designed to resist compression, this mat transforms your car into a quieter, cooler sanctuary. ## Description Sound Deadening Mat 157mil(4 mm) 24sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening ## Features - [4mm High Quality Closed Cell Foam, Provide Better Sound & Heat Insulation] Our automotive sound deadener is composed of three layers of high quality material, including 4mm high density closed cell foam, high quality back glue and back paper. - [Superior Noise and Heat Insulation] It provides better noise insulation effect for your car so you can enjoy a more quiet and comfortable environment. At the same time, it effectively reduces 98% heat transfer. - [High-quality Material, Meet the Needs of Longer & Better Use] 4mm high quality closed cell foam has a higher anti-extrusion function compared with inferior foam product, so there is no need to worry about the collapse of the use process. Excellent adhesive has strong viscosity, which can ensure to stick firmly. High quality back paper is easy to to peel & install and not easy to tear. - [Easy to Install, Wide Application] AggSound heat shield pad is convenient in installation and operation. Just five steps can be completed: disassemble-clean-cute-paste-reinstallate. 4mm unviersal thickness is more suitable for the car door, hood, trunk, floor, firewall and other parts of the vehicle. You do not have to worry about the phenomenon of not being able to install because the thickness is too large but the vehicle gap is not enough. - [A variety of different thicknesses to meet different needs] Aggsound offers a variety of different thicknesses of insulation foam 4mm/6mm/8mm/10mm/0.25inch/0.5inch/1inch etc.. Different thicknesses of insulation foam to meet the different needs of the application. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | AggSound | | Part number | YY04PM24 | | Item Weight | 1.12 Kilograms | | Product Dimensions | 44 x 23 x 14 cm; 1.12 kg | | Item model number | 01 | | Color | black | | Style | 24sqft | | Shape | round | | Coverage | 24.6 square feet | | Included components | Car Trim Removal Tool, Noise protection tape, car sound insulation | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Material:** 4 mm 2.23 ㎡ foam - **Brand:** AggSound - **Item thickness:** 4 Millimeters - **Recommended uses for product:** Automotive Soundproofing & Thermal Insulation - **Product dimensions:** 2.8L x 0.4W Meters ## Images ![2 Rolls 4mm 280×40cm Automotive Thermal Pad Self Adhesive | Soundproof Pad | Automotive Insulation (2.23㎡) - Image 1](https://m.media-amazon.com/images/I/71Nb3q3heoL.jpg) ## Available Options This product comes in different **Material Type** options. ## Questions & Answers **Q: Does it come with installation instructions? What's the best way to install it for maximum results?** A: 1.Remove & Clean: Take off interior panels; clean and dry surfaces 2.Cut to Fit: Pre-cut insulation for doors, floor, and roof 3.Apply & Seal: Peel, stick, then seal seams with foil tape (sold separately) 4.Reinstall: Replace all interior components **Q: What's the difference between Aluminum Foil and Closed-cell Foam?What are the best sound deadening solutions for sound?** A: 394mil Aluminum Foil excels in heat blocking. 157mil Closed-cell Foam (higher density) is better for soundproofing. For best results: combine 157mil foam with Butyl Sound Deadener (sold separately) to kill vibration and block noise effectively. **Q: How do I properly install the Butyl + 157mil High-Density Closed-cell Foam combination?** A: 1. Remove, Clean & Cut. 2. Apply butyl sheets(50–60% coverage is optimal), damping vibration, reducing low-frequency noise. 3. Install foam over butyl. Effectively blocks mid-high frequency noise. 4. Check. This combo ensures optimal noise reduction. **Q: How do sound deadening materials work to reduce noise? Can it reduce road noise? Can it be used on car doors?** A: Yes, Closed-cell Foam reduces road noise through:1.Sound absorption (energy to heat conversion) 2.Acoustic impedance reflection 3.Mass law blocking of mid-high frequencies. Its structure effectively reduces road/wind noise transmission into cabin. **Q: Does it require any special tools for the installation? Is a roller necessary?** A: Basic tools: gloves, utility knife, measuring tape. A roller (sold separately) is highly recommended to ensure proper adhesion of butyl/foam. Aluminum foil tape is essential for sealing seams. Keeping surfaces clean is crucial for optimal results. ## Frequently Bought Together - AggSound 157mil 24sqft Roll Pack Sound Deadener for Cars-Auto Closed Cell Foam Noise Deadening Material-Heat Shield Insulation Dampening Mat - LUMITECO Bearings Equipped Automotive Car Audio Sound Deadening Application Wheel Roller, Heat Abatement Mat Wallpaper Application PU Smoothing Tool Seam Roller - Siless 80 mil (2mm) 36 sqft (3.4 sqm) Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (36 sqft) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/516629410-2-rolls-4mm-280-40cm-automotive-thermal-pad-self-adhesive](https://www.desertcart.vn/products/516629410-2-rolls-4mm-280-40cm-automotive-thermal-pad-self-adhesive) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-04-24*