1″ Sealant Wall Heat Shrink Tubing 4 Feet, Black

Waterproof Heat Shrink Tubing for Reliable Connections

Our 1-inch sealant wall heat shrink tubing is designed for anyone who needs easy, durable, and secure electrical insulation at home, in the garage, or on the job. With its adhesive-lined interior, this tubing is ideal for waterproofing cable splices, protecting exposed wiring, and ensuring long-lasting performanceeven in tough outdoor environments.

Easy-to-Use Adhesive-Lined Heat Shrink Tubing

Applying heat activates the built-in adhesive, creating a strong, weather-resistant seal around wires, cables, or connectors. No special tools are neededjust use a heat gun or even a lighter for simple, fast results. Once cooled, the tubing forms a secure waterproof barrier that helps prevent corrosion, moisture, and dirt from damaging your electrical connections.

Durable & Versatile for DIY and Professional Use

• Shrinks up to 67% for a tight, snug fit over irregular shapes and connections
• Size: 1″ diameter (unshrunk) 4 feet long
• Color: Black for a clean, professional finish
• Adhesive-lined for waterproof and extra strong sealing
• Perfect for: automotive repairs, marine wiring, outdoor lighting, home electrical work, DIY projects, and more

Technical Information

• Shrink Ratio: 3:1 (shrinks from 1″ down to approximately 0.33″)
• Operating Temperature: -55C to +125C (-67F to +257F)
• Material: Polyolefin, adhesive-lined (dual wall)
• Weatherproof & UV resistant

Why Choose Our 1″ Sealant Wall Heat Shrink Tubing?

This is the ultimate solution for anyone looking for easy-to-use, adhesive-lined heat shrink tubing for electrical repairs, outdoor cable insulation, and waterproof protection. With black color for sleek cable management and a reliable sealant wall that shrinks 67%, its trusted by both DIYers and professionals.