--- product_id: 160827900 title: "Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening" brand: "siless" price: "133956CFA" currency: XOF in_stock: true category: "Siless" url: https://www.desertcart.sn/products/160827900-siless-liner-314-mil-18-sqft-sound-deadening-mat-sound store_origin: SN region: Senegal --- # 100% waterproof & odorless Blocks 98% radiant heat transfer 314 mil thick closed-cell foam Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening **Brand:** siless **Price:** 133956CFA **Availability:** ✅ In Stock ## Summary > 🚗 Silence the noise, block the heat, and upgrade your drive with Siless Liner! ## Quick Answers - **What is this?** Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening by siless - **How much does it cost?** 133956CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/160827900-siless-liner-314-mil-18-sqft-sound-deadening-mat-sound) ## Best For - siless enthusiasts ## Why This Product - Trusted siless brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Coverage:** One roll covers 18 sqft, perfectly sized for comprehensive car interior sound and heat insulation upgrades. - • **All-Weather Durability:** Waterproof, odorless, and heat-resistant up to 215°F, ensuring lasting performance in any climate or driving condition. - • **Effortless Installation:** Self-adhesive backing and flexible foam make application a breeze—no special tools or expertise needed. - • **Unmatched Value Proposition:** Get top-tier closed-cell foam performance at over 3x less cost per sqft than competitors—quality that saves your wallet. - • **Premium Thermal & Acoustic Shield:** Siless Liner’s 314 mil thickness delivers superior sound deadening and heat insulation for a quieter, cooler ride. ## Overview Siless Liner 314 mil is a premium closed-cell polyethylene foam sound deadening mat designed for automotive use. It features a self-adhesive waterproof layer, blocks 98% of radiant heat, and offers thermal insulation up to 215°F. Covering 18 sqft per roll, it provides an affordable, lightweight, and odorless solution to reduce noise and heat inside vehicles, making it a top-rated choice for car sound and thermal insulation. ## Description Buy Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Closed Cell Foam: OIL and Waterproof LINER closed-cell polyethylene foam is the best for car, Siless with an adhesive layer 100% ensures optimum efficiency and thermal insulation that could be possibly gained. The price of 1 sqft of Siless Liner with similar characteristics is more then three times cheaper! Excellent quality for less money!! - Heat Blocker and Sound Deadener: Effectively blocks 98% of radiant heat transfer. Siless Liner is a very versatile insulation material with excellent thermal barrier properties that will block engine, exhaust, & summer heat, ensure your vehicle stays cooler in the summer and warmer in the winter, making your ride more pleasant! - Lightweight, Waterproof: It is a waterproof light-weight thermal deadener with highly compressible closed cell foam formulation, it absolutely doesn’t absorb moisture and has no odor, and it’s flexible which make it easy to install with or without roller. - The operating temperature of the material is the same as of the rubber foam up to 215 degrees Fahrenheit. - SILESS Liner specifications: Self-adhesive foam rolls (closed cell PE foam) with waterproof glue. Thickness 314 mil / 0.314 inches / 8mm. Number of rolls in the package - 1. Total coverage area - 18 ft². Each roll size - 15.74 x 165.35 inches. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07LH1X7QX | | Best Sellers Rank | #2,225 in Automotive ( See Top 100 in Automotive ) #3 in Automobile Insulation | | Brand Name | Siless | | Coverage | 18 square feet | | Customer Reviews | 4.5 4.5 out of 5 stars (230) | | Item Dimensions L x W | 165.35"L x 15.74"W | | Item Thickness | 0.31 inches | | Manufacturer | Bema Group Inc. | | Manufacturer Part Number | SLL31418 | | Material Type | 314 mil Closed Cell Foam | | Model Number | SLL31418 | | Recommended Uses For Product | Thermal insulation and sound deadening in cars | | UPC | 670875990746 | | Unit Count | 1 Count | ## Product Details - **Brand:** Siless - **Item Thickness:** 0.31 inches - **Material:** 314 mil Closed Cell Foam - **Product Dimensions:** 165.35"L x 15.74"W - **Recommended Uses For Product:** Thermal insulation and sound deadening in cars ## Images ![Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening - Image 1](https://m.media-amazon.com/images/I/91PKvKKpe2S.jpg) ![Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening - Image 2](https://m.media-amazon.com/images/I/71ehdTWK7GS.jpg) ![Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening - Image 3](https://m.media-amazon.com/images/I/71eKMn57+NS.jpg) ![Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening - Image 4](https://m.media-amazon.com/images/I/61BGsDsCVTS.jpg) ![Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening - Image 5](https://m.media-amazon.com/images/I/81yrG9idSpL.jpg) ## Available Options This product comes in different **Material Type, Style** options. ## Frequently Bought Together - Siless Liner 314 mil 18 sqft Sound Deadening mat - Sound Deadener Mat - Car Sound Dampening Material - Sound dampener - Sound deadening Material Sound Insulation - Car Sound deadening - Car Sound Deadening Roller Metal Installation Tool 3 Pcs for Auto Noise Roller Car Sound Deadener Application Installation Tool Rolling Wheel Interior Accessories - 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.sn/products/160827900-siless-liner-314-mil-18-sqft-sound-deadening-mat-sound](https://www.desertcart.sn/products/160827900-siless-liner-314-mil-18-sqft-sound-deadening-mat-sound) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-12*