--- product_id: 726635347 title: "Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier" brand: "aggsound" price: "$149.01" currency: USD in_stock: true reviews_count: 5 category: "Agg Sound" url: https://www.desertcart.us/products/726635347-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car store_origin: US region: United States of America --- # 0.75 inch (20 mm) thickness 98% heat transfer reduction 3-layer high-density foam Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier **Brand:** aggsound **Price:** $149.01 **Availability:** ✅ In Stock ## Summary > 🔇 Silence the noise, feel the difference — upgrade your drive today! ## Quick Answers - **What is this?** Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier by aggsound - **How much does it cost?** $149.01 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/726635347-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car) ## 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 - • **Heat Barrier Mastery:** Cuts down 98% of heat transfer to keep your ride cool and comfortable - • **Durability That Lasts:** 10mm thickened foam resists compression and stays firm over time - • **Effortless Installation:** Includes professional-grade tools and easy peel backing for a flawless fit - • **Triple-Layer Sound Shield:** Premium 4mm closed-cell foam with adhesive backing for superior noise blocking - • **Universal Fit, Maximum Coverage:** Perfect for doors, floors, hoods, and firewalls—customize your quiet zone ## Overview AggSound’s 3/4 inch (20 mm) Sound Deadening Mat features a triple-layer design with 4 mm high-density closed-cell foam, premium adhesive, and backing paper. It reduces noise and heat transfer by up to 98%, providing a quieter, cooler driving experience. Engineered for durability with a 10mm thickened foam core, it resists compression and stays firmly in place. The kit includes professional tools for easy installation on multiple vehicle surfaces, making it the go-to solution for millennial professionals seeking comfort and style in their ride. ## Description 4 mm high-quality closed cell foam, better sound and heat insulation: Our car sound deconnoisseur is made of three layers of high-quality material, including 4 mm high density closed cell foam, high-quality back adhesive and backing paper. It provides a better effect of noise insulation for your car, so you can enjoy a quieter and more comfortable environment. At the same time, it effectively reduces 98% heat transfer. [High quality material, meet the needs of longer and better use] 10mm thickened foam has a higher anti-extrusion function compared to inferior foam product, so you don't have to worry about the collapse of the use process. An excellent adhesive has a strong viscosity that can ensure it stays firm. High quality backing paper is easy to peel and install and not easy to tear. [Equipped with high-quality practical tools, ensure a convenient installation and insulation effect] We also specially align you with appropriate tool for removing aluminium foil and car trim. Removing tools is more durable than market tools. You can easily put the door down without worrying about leaving scars. In addition, you can use aluminium foil tape for crossing two heat insulation or corner edges, so you can achieve a better noise dekenner effect and do not worry about the fall of heat insulation. [Easy to Install, Wide Application] AGGSound Heat Shied Pad is convenient in installation and operation. Only five steps can be performed: disassemble shorter paste reinstall. The 4 mm thickness of the unpopulation is better suited for the car door, hood, boot, floor, firewall and other parts of the vehicle. You don't have to worry about the phenomenon, not being able to install, as the thickness is too large, but the vehicle gap is not enough. Review: Much Better Sound in My Truck - I have a Nissan Titan Pick Up. When I bought it used, it had been lifted and had knobby tires on it. The road noise was horrendous. I got a little used to it, but my wife hated to go anywhere in my truck. I ordered this AggSound, 788mil, 6sqft Roll Pack Universal Sound Deadener to try to cover under the back seats and back wall area of my truck. I thought that was where a lot of the noise was coming through. It was so much more difficult to remove my carpet and material behind the seats, than it was to stick this foam in. Once I was able to get it stuck under and behind the seats on the wall, I put it all back together to go for a test drive. I could not believe the difference. Of course, I still hear road noise, but my wife and I can actually hold a decent conversation now without raising our voices. I wish I had done this much longer ago as it sounds so much quieter now. Review: prompt service - Yes I liked the product ## Features - Aggsound Car Sound Insulation Mat 788mil 6sqft - AggSound Car Sound Insulation Mat 788mil 6sqft ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPXM4VD4 | | Best Sellers Rank | #138,383 in Automotive ( See Top 100 in Automotive ) #243 in Automobile Insulation | | Brand | AggSound | | Brand Name | AggSound | | Coverage | 6 square feet | | Customer Reviews | 4.2 out of 5 stars 31 Reviews | | Included Components | car sound insulation | | Item Dimensions L x W | 152L x 152W centimeters | | Item Thickness | 0.5 Inches | | Item Type Name | car sound insulation | | Item thickness | 0.5 Inches | | Manufacturer | AggSound | | Manufacturer Part Number | YY20PM06 | | Material | 3/4inch | | Material Type | 3/4inch | | Model Number | YY20PM06 | | Number of Packs | 1 | | Product dimensions | 152L x 152W centimeters | | Recommended Uses For Product | Sound insulation, thermal insulation for automotive applications | | Recommended uses for product | Sound insulation, thermal insulation for automotive applications | | Unit Count | 1.0 Count | ## Product Details - **Brand:** AggSound - **Item thickness:** 0.5 Inches - **Material:** 3/4inch - **Product dimensions:** 152L x 152W centimeters - **Recommended uses for product:** Sound insulation, thermal insulation for automotive applications ## Images ![Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 1](https://m.media-amazon.com/images/I/81Mxh4XuSkL.jpg) ![Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 2](https://m.media-amazon.com/images/I/81JzM8cNUuL.jpg) ![Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 3](https://m.media-amazon.com/images/I/71FEECYuSrL.jpg) ![Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 4](https://m.media-amazon.com/images/I/71Vn7iWO-BL.jpg) ![Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 5](https://m.media-amazon.com/images/I/71C55HvwUwL.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Much Better Sound in My Truck *by S***T on 28 February 2024* I have a Nissan Titan Pick Up. When I bought it used, it had been lifted and had knobby tires on it. The road noise was horrendous. I got a little used to it, but my wife hated to go anywhere in my truck. I ordered this AggSound, 788mil, 6sqft Roll Pack Universal Sound Deadener to try to cover under the back seats and back wall area of my truck. I thought that was where a lot of the noise was coming through. It was so much more difficult to remove my carpet and material behind the seats, than it was to stick this foam in. Once I was able to get it stuck under and behind the seats on the wall, I put it all back together to go for a test drive. I could not believe the difference. Of course, I still hear road noise, but my wife and I can actually hold a decent conversation now without raising our voices. I wish I had done this much longer ago as it sounds so much quieter now. ### ⭐⭐⭐⭐ prompt service *by F***O on 15 December 2024* Yes I liked the product ### ⭐⭐ Adhesive *by S***E on 23 November 2024* Because it was rolled up in the packaging, the adhesive is exposed to the air because the lining was pulled away --- ## 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/726635347-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car](https://www.desertcart.us/products/726635347-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-09*