--- product_id: 627590190 title: "Car Sound Deadening Mat 394mil 18.47sqft Car Material" brand: "aggsound" price: "$104.67" currency: USD in_stock: true reviews_count: 13 category: "Agg Sound" url: https://www.desertcart.us/products/627590190-car-sound-deadening-mat-394mil-18-47sqft-car-material store_origin: US region: United States of America --- # Reduces engine & road noise Blocks up to 98% radiant heat 10mm high-density foam Car Sound Deadening Mat 394mil 18.47sqft Car Material **Brand:** aggsound **Price:** $104.67 **Availability:** βœ… In Stock ## Summary > πŸ”‡ Silence the chaos, feel the luxury β€” your ride’s new best-kept secret. ## Quick Answers - **What is this?** Car Sound Deadening Mat 394mil 18.47sqft Car Material by aggsound - **How much does it cost?** $104.67 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/627590190-car-sound-deadening-mat-394mil-18-47sqft-car-material) ## 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 - β€’ **Easy DIY Installation:** Cut, fit, and install with precision for a sleek, professional finish. - β€’ **98% Radiant Heat Block:** Keep your cabin cooler in summer and warmer in winter effortlessly. - β€’ **Premium 10mm Foam Layer:** Experience elite sound and heat insulation with dense closed-cell foam. - β€’ **Durable, Heat-Resistant Adhesive:** Sticks firmly through all seasons without peeling or sagging. - β€’ **Superior Noise & Vibration Reduction:** Transform your ride into a quiet sanctuary, even on rough roads. ## Overview AggSound’s Car Sound Deadening Mat features a premium 10mm high-density closed-cell foam that blocks up to 98% of radiant heat and significantly reduces engine and road noise. Designed for easy cutting and installation with a strong, heat-resistant adhesive, it fits perfectly in doors, floors, hoods, and firewalls. This durable, multi-layer insulation enhances thermal comfort and acoustic quietness, making every drive cooler, quieter, and more enjoyable. ## Description Buy Car Sound Deadening Mat 394mil 18.47sqft Car Material | 10mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener Material & Heat Barrier for Car Floor Door: Insulation - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases Review: Easy to use - Made a huge difference inside my door frame to seal all the holes, speakers sound way better now Review: Good cheap sound treatment - For the price especially this stuff is great! when I needed a little extra to finish a project and didnt wanna buy more dynamat, this stuff came thru. Easy to stick, seems to be pretty sticky not coming off. Great Value! ## Features - [Premium 10mm Foam] This 3-layer sound deadener blocks up to 98% of radiant heat and reduces road noise. Featuring 10mm 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 | B0CPXP13CR | | Best Sellers Rank | #3,370 in Automotive ( See Top 100 in Automotive ) #6 in Automobile Insulation | | Brand | AggSound | | Brand Name | AggSound | | Coverage | 159.6 square inches (estimated) | | Customer Reviews | 4.3 out of 5 stars 552 Reviews | | Included Components | Case | | Item Dimensions L x W | 15.7"L x 13"W | | Item Thickness | 10 millimeters | | Item Type Name | insulation | | Manufacturer | Aggsound | | Manufacturer Part Number | YY10PM18 | | Material | 394mil | | Material Type | 394mil | | Model Number | YY10PM18 | | Product Dimensions | 15.7"L x 13"W | | Recommended Uses For Product | automotive soundproofing and heat insulation, specifically for the hood and firewall | ## Product Details - **Brand:** AggSound - **Item Thickness:** 10 Millimeters - **Material:** 394mil - **Product Dimensions:** 15.7"L x 13"W ## Images ![Car Sound Deadening Mat 394mil 18.47sqft Car Material - Image 1](https://m.media-amazon.com/images/I/71BQSHQdoeL.jpg) ![Car Sound Deadening Mat 394mil 18.47sqft Car Material - Image 2](https://m.media-amazon.com/images/I/81AaudpnbKL.jpg) ![Car Sound Deadening Mat 394mil 18.47sqft Car Material - Image 3](https://m.media-amazon.com/images/I/71ulPklsgyL.jpg) ![Car Sound Deadening Mat 394mil 18.47sqft Car Material - Image 4](https://m.media-amazon.com/images/I/71Vn7iWO-BL.jpg) ![Car Sound Deadening Mat 394mil 18.47sqft Car Material - Image 5](https://m.media-amazon.com/images/I/71C55HvwUwL.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to use *by P***4 on July 17, 2026* Made a huge difference inside my door frame to seal all the holes, speakers sound way better now ### ⭐⭐⭐⭐⭐ Good cheap sound treatment *by J***D on July 6, 2026* For the price especially this stuff is great! when I needed a little extra to finish a project and didnt wanna buy more dynamat, this stuff came thru. Easy to stick, seems to be pretty sticky not coming off. Great Value! ### ⭐⭐⭐⭐ Needs to be layered, Great product *by M***L on August 4, 2025* Good product Butt!! It’s best to use this on top of aluminum sound deadening material because it’s does not help with sound but it does help reduce heat off the roof. I used it on my 1969 Volkswagen bug. However I did use this first and had to remove it all and layed down some other sound deadening material and then this. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/627590190-car-sound-deadening-mat-394mil-18-47sqft-car-material](https://www.desertcart.us/products/627590190-car-sound-deadening-mat-394mil-18-47sqft-car-material) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-01*