Shumoff Black Jack Car Sound Deadening - 18 PCs High-Adhesion Sound Dampening Sheets 2.7mm (106 mil) Thick - Aluminum & Bitumen Mastic Composite – Sound Deadener 19.4 Sqft Coverage – Sheet Size 14.6"L x 10.6"W

Product Overview

• Material: Aluminum, Bitumen, Mastic Composite
• Brand: Shumoff
• Item Thickness: 2.7mm
• Product Dimensions: 14.6"L x 10.6"W
• Weight: 7800g

Product Features

• 𝐍𝐨𝐢𝐬𝐞 & 𝐕𝐢𝐛𝐫𝐚𝐭𝐢𝐨𝐧 𝐑𝐞𝐝𝐮𝐜𝐭𝐢𝐨𝐧: Shumoff Black Jack is an advanced vibration-damping mastic material designed for automotive sound deadening, reducing low-frequency body vibrations that cause road and driving noise. When applied as the first layer on cleaned, degreased vehicle metal, it improves interior acoustics, reduces cabin noise, and enhances overall ride comfort.
• 𝐀𝐥𝐮𝐦𝐢𝐧𝐮𝐦 & 𝐁𝐢𝐭𝐮𝐦𝐞𝐧 𝐌𝐮𝐥𝐭𝐢𝐥𝐚𝐲𝐞𝐫 𝐂𝐨𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧: Constructed with a multilayer structure combining aluminum foil and bitumen mastic, this sound deadening material is reinforced with carbon-containing components and microfiber additives. This design provides superior vibration absorption, stable damping performance across a wide temperature range, and increased rigidity for large surface areas.
• 𝐇𝐢𝐠𝐡 𝐀𝐝𝐡𝐞𝐬𝐢𝐨𝐧 𝐟𝐨𝐫 𝐀𝐮𝐭𝐨𝐦𝐨𝐭𝐢𝐯𝐞 𝐒𝐮𝐫𝐟𝐚𝐜𝐞𝐬: Engineered for strong bonding where it matters most, this sound deadener delivers exceptional adhesion to steel and aluminum panels. The calibrated adhesive allows minor repositioning during installation for precision placement. Adhesion develops within 2–3 hours and reaches maximum strength after 24 hours.
• 𝐇𝐞𝐚𝐭-𝐑𝐞𝐬𝐢𝐬𝐭𝐚𝐧𝐭, 𝐅𝐥𝐞𝐱𝐢𝐛𝐥𝐞 & 𝐋𝐨𝐧𝐠-𝐋𝐚𝐬𝐭𝐢𝐧𝐠: Built to withstand demanding automotive environments, this solution supports car noise reduction with reliable performance from −60°C to +140°C. Its crack-resistant and peel-resistant composition maintains flexibility and damping efficiency over time.
• 𝐋𝐢𝐠𝐡𝐭𝐰𝐞𝐢𝐠𝐡𝐭 𝟏𝟖-𝐒𝐡𝐞𝐞𝐭 𝐏𝐚𝐜𝐤 – 𝟏𝟗.𝟒 𝐒𝐪𝐟𝐭 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞: Includes 18 self-adhesive sheets measuring 270 × 370 mm at 2.7mm thickness, delivering 19.4 sq ft total coverage. This automotive sound deadening material offers high noise reduction comparable to thicker dampers while keeping material weight low.
• 𝐖𝐡𝐞𝐫𝐞 𝐭𝐨 𝐔𝐬𝐞 – 𝐒𝐡𝐞𝐞𝐭 𝐂𝐚𝐥𝐜𝐮𝐥𝐚𝐭𝐨𝐫 𝐟𝐨𝐫 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: Approximate sheet usage per area makes planning easy when using this sound deadening material: Roof (14–16), Hood (4–6), Trunk (4–6), Doors (14–16), Door trims (10–12), Fender liners (12–14).