--- product_id: 271130215 title: "Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener" brand: "siless" price: "633.19 DT" currency: TND in_stock: true category: "Siless" url: https://www.desertcart.tn/products/271130215-liner-314-mil-18-sqft-aluminum-foil-finish-car-sound store_origin: TN region: Tunisia --- # 100% waterproof & oil resistant 314 mil (8mm) thick foam 98% radiant heat blocked Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener **Brand:** siless **Price:** 633.19 DT **Availability:** ✅ In Stock ## Summary > 🔥 Stay cool, quiet, and in control with Siless Liner! ## Quick Answers - **What is this?** Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener by siless - **How much does it cost?** 633.19 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/271130215-liner-314-mil-18-sqft-aluminum-foil-finish-car-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 - • **Premium Thickness:** Robust 314 mil closed-cell PE foam ensures superior sound deadening and insulation. - • **Waterproof & Odorless:** 100% moisture resistant with no odor, perfect for long-lasting, hassle-free installation. - • **Ultimate Thermal Shield:** Blocks 98% of radiant heat to keep your car cooler in summer and warmer in winter. - • **Cost-Effective Excellence:** Get premium quality at over 3x less cost per sqft than competitors—upgrade without overspending. - • **Self-Adhesive Convenience:** Strong adhesive backing guarantees easy, bubble-free application without extra tools. ## Overview Siless Liner is a high-performance 314 mil thick closed-cell polyethylene foam with an aluminum foil finish, designed for car sound deadening and heat insulation. Covering 18 sqft per roll, it blocks 98% of radiant heat, is fully waterproof and oil resistant, and features a strong self-adhesive layer for easy installation. Trusted by automotive pros, it delivers premium thermal and acoustic protection at a fraction of the cost. ## Description Buy Siless Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Closed Cell Foam: OIL and Waterproof AluFoil LINER closed-cell polyethylene foam with aluminum finish 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 ALUMINUM FOIL 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 | B08KF5G7M8 | | Best Sellers Rank | #13,038 in Automotive ( See Top 100 in Automotive ) #17 in Automobile Insulation | | Brand | Siless | | Brand Name | Siless | | Coverage | 18 square feet | | Customer Reviews | 4.2 out of 5 stars 88 Reviews | | Item Dimensions L x W | 165.35"L x 15.74"W | | Item Thickness | 314 mils | | Manufacturer | Siless | | Manufacturer Part Number | SLF31418 | | Material | Polyethylene (PE) | | Material Type | Polyethylene (PE) | | Model Number | 314 mil 18 sqft | | Number of Items | 1 | | Number of Packs | 1 | | Product Dimensions | 165.35"L x 15.74"W | | Recommended Uses For Product | Car sound deadening and heat insulation | | UPC | 753068062694 | | Unit Count | 18 Square Feet | ## 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:** Car sound deadening and heat insulation ## Images ![Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener - Image 1](https://m.media-amazon.com/images/I/71ymTL510NL.jpg) ![Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener - Image 2](https://m.media-amazon.com/images/I/71+2EIa2HAL.jpg) ![Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener - Image 3](https://m.media-amazon.com/images/I/61o0k9Yzt7L.jpg) ![Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener - Image 4](https://m.media-amazon.com/images/I/71LN6cVFkOL.jpg) ![Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener - Image 5](https://m.media-amazon.com/images/I/81yrG9idSpL.jpg) ## Available Options This product comes in different **Color, Set** options. ## Frequently Bought Together - Siless Liner 314 mil 18 sqft Aluminum Foil Finish Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound Deadener - LUMITECO Bearings Equipped Automotive Car Audio Sound Deadening Application Wheel Roller, Heat Abatement Mat Wallpaper Application PU Smoothing Tool Seam Roller - Siless Max 120 mil (3mm) 30 sqft Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (30 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.tn/products/271130215-liner-314-mil-18-sqft-aluminum-foil-finish-car-sound](https://www.desertcart.tn/products/271130215-liner-314-mil-18-sqft-aluminum-foil-finish-car-sound) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-19*