TEC Vanlife DUCK Liner
Advanced Camper Van Insulation & Soundproofing Solution
Upgrade your van build with the TEC Vanlife DUCK Liner, a premium insulation and soundproofing solution designed specifically for camper vans. Engineered with a closed-cell neoprene core and reflective foil layer, this material delivers powerful condensation control, thermal insulation, and noise reduction—all in one easy-to-install product.
Perfect for Sprinter, Transit, and ProMaster van conversions, the DUCK Liner helps create a quiet, temperature-controlled, and moisture-resistant interior for life on the road.
Key Features
Condensation Prevention
Prevents warm interior air from contacting cold metal surfaces, reducing moisture buildup and protecting against mold and mildew.
Reflective Thermal Barrier
Aluminum foil layer reflects radiant heat back into the van, helping maintain a consistent interior temperature in all seasons.
Superior Sound & Thermal Insulation
Closed-cell sponge neoprene construction provides excellent noise reduction and an R-value of 0.89 (3/8") for improved thermal performance.
Durable & Weather-Resistant
Dust-proof, waterproof, oil-resistant, and corrosion-resistant material ensures long-lasting performance in harsh conditions.
Fire Resistant Material
Non-combustible construction adds an extra layer of safety for your van build.
Peel-and-Stick Installation
Integrated adhesive backing allows for quick, clean, and hassle-free installation directly onto van surfaces.
Technical Specifications
• Material: Closed-cell sponge neoprene with aluminum foil backing
• Thickness: 3/8 inch
• R-Value: 0.89
• Roll Size:
Length: 32.5 ft
Width: 3.25 ft
Why Choose DUCK Liner?
Moisture Control
Creates a barrier that helps eliminate condensation and protects your van interior.
Temperature Regulation
Keeps your van warmer in winter and cooler in summer.
Noise Reduction
Absorbs road noise and vibrations for a quieter driving and living experience.
Lightweight & Flexible
Easy to cut, shape, and install in tight or curved spaces.
How It Works
The DUCK Liner combines three high-performance layers:
Aluminum Foil Layer
Reflects radiant heat for improved insulation efficiency.
Closed-Cell Neoprene Core
Provides sound deadening, thermal insulation, and moisture resistance.
Adhesive Backing
Ensures a secure bond to van walls, ceiling, and floor with minimal effort.
Installation Guidelines
• Ideal installation temperature: 50°F – 80°F
• Ensure surface is clean and free of debris, glue, or residue
• Apply in sections, peeling backing gradually to avoid air pockets
• Use a roller to fully adhere material to the surface
• Seal seams with vapor barrier tape for best results
Pro Tip:
For maximum insulation performance, pair with 3M Thinsulate to achieve higher overall R-value and complete your van insulation system.
Built for Van Life
The TEC Vanlife DUCK Liner is more than just insulation—it’s a complete solution for creating a comfortable, quiet, and moisture-controlled van interior. Whether you're building a weekend camper or a full-time van life rig, this product delivers the performance you need.
