--- product_id: 653324827 title: "Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door" brand: "aggsound" price: "$230.67" currency: USD in_stock: true category: "Agg Sound" url: https://www.desertcart.us/products/653324827-car-sound-deadening-mat-157mil-55-41sqft-car-material-4mm store_origin: US region: United States of America --- # Reduces engine & road noise Blocks up to 98% radiant heat 4mm high-density closed-cell foam Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door **Brand:** aggsound **Price:** $230.67 **Availability:** ✅ In Stock ## Summary > 🚗 Silence & Coolness, Engineered for the Modern Driver ## Quick Answers - **What is this?** Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door by aggsound - **How much does it cost?** $230.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/653324827-car-sound-deadening-mat-157mil-55-41sqft-car-material-4mm) ## 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 - • **Whisper-Quiet Cabin:** Dramatically cuts engine vibrations and road noise for a serene driving experience. - • **Durability That Lasts:** High-density closed-cell foam resists compression and stays effective over time, no sagging or peeling. - • **Versatile Application:** Engineered for seamless installation in tight gaps—doors, trunks, firewalls—without interfering with panel closure. - • **Ultimate Thermal Shield:** Keeps your ride cooler in summer and warmer in winter with 98% radiant heat blockage. - • **Precision Fit & Easy Install:** Flexible, easy-to-cut foam with strong adhesive ensures a perfect, long-lasting fit on floors, doors, and hoods. ## Overview AggSound’s 4mm closed-cell foam sound deadening mat delivers premium automotive insulation with 55.41 sqft coverage. Engineered to block 98% of radiant heat and reduce engine and road noise, this durable, easy-to-install mat enhances cabin comfort by providing superior thermal insulation and vibration dampening. Perfect for floors, doors, hoods, and more, it’s the go-to upgrade for professionals seeking a quieter, cooler ride. ## Description Buy AggSound Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - [Premium 4mm Foam] This 3-layer sound deadener blocks up to 98% of radiant heat and reduces road noise. Featuring 4mm high-density closed-cell foam with strong adhesive, it provides superior thermal insulation for hoods, floors, and doors. Easy to cut and install, it delivers a cooler, quieter ride for cars, trucks, and RVs. - [Quiet Ride & Vibration Deadener] Effectively reduces engine vibrations and road noise for a quieter cabin even in rainy or humid conditions. Acts as a thermal barrier to keep your vehicle cooler in summer and warmer in winter. Easy to trim and install for a clean, long-lasting look. - [Durable & Easy Install] Made of high-density closed-cell foam that won't collapse or compress over time. Features heat-resistant, strong adhesive to stick firmly even in summer without falling off. Flexible material is easy to cut, trim, and fit complex contours yourself. The smooth backing peels easily for a clean, long-lasting finish on vehicle surfaces. - [Wide Application] Features a simple 5-step process: disassemble, clean, cut, paste, and reassemble. This versatile material is engineered to fit tight gaps in car doors, hoods, trunks, and firewalls without interfering with panel closure. Ideal for sound deadening, heat shielding, and shock absorption in key vehicle areas. - [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. to meet the different needs of the application. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BWD1M9Y5 | | Best Sellers Rank | #5,043 in Automotive ( See Top 100 in Automotive ) #8 in Automobile Insulation | | Brand Name | AggSound | | Coverage | 1.42 square_feet | | Customer Reviews | 4.4 4.4 out of 5 stars (55) | | Included Components | car sound insulation | | Item Dimensions L x W | 15.7"L x 13"W | | Item Thickness | 157 mils | | Item Type Name | car sound insulation | | Manufacturer | AggSound | | Manufacturer Part Number | YY04PM55-1 | | Material Type | 157mil | | Model Number | 01 | | Recommended Uses For Product | automotive soundproofing and heat insulation | | Unit Count | 55 Square Feet | ## Product Details - **Brand:** AggSound - **Item Thickness:** 157 mils - **Material:** 157mil - **Product Dimensions:** 15.7"L x 13"W - **Recommended Uses For Product:** automotive soundproofing and heat insulation ## Images ![Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door - Image 1](https://m.media-amazon.com/images/I/61i0b-LnNdL.jpg) ![Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door - Image 2](https://m.media-amazon.com/images/I/71ZMCDNgiDL.jpg) ![Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door - Image 3](https://m.media-amazon.com/images/I/71VMFIH0L2L.jpg) ![Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door - Image 4](https://m.media-amazon.com/images/I/81vBKngH2YL.jpg) ![Car Sound Deadening Mat 157mil 55.41sqft Car Material | 4mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door - Image 5](https://m.media-amazon.com/images/I/71iY2rO-7LL.jpg) ## Available Options This product comes in different **Material Type, Style** 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 55sqft Universal Sound Deadener for Cars with Aluminum Foil Tape&Car Trim Removal Tool-Auto Closed Cell Foam Noise Deadening Material-Heat Hood 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 - Amazon Basics Car Sound Deadener, 18″ x 32″ (9-Piece) --- ## 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.us/products/653324827-car-sound-deadening-mat-157mil-55-41sqft-car-material-4mm](https://www.desertcart.us/products/653324827-car-sound-deadening-mat-157mil-55-41sqft-car-material-4mm) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-21*