20mm GlassMAT HR Van & Boat Insulation - Heat Reflective Vapour Barrier
Upgrade your campervan, van, motorhome, boat, or vehicle conversion with GlassMAT HR 20mm insulation — a premium foil-backed thermal and acoustic insulation designed to improve heat retention, reduce condensation, and minimise road noise.
Manufactured with a durable heat-reflective foil layer and high-performance insulation core, GlassMAT HR acts as an effective moisture vapour barrier while delivering excellent thermal efficiency and soundproofing performance. Ideal for vehicle walls, floors, roofs, wheel arches, load areas, and engine bay applications.
The strong self-adhesive backing allows for quick and secure installation, while the flexible construction makes it easy to cut and fit around curved surfaces and complex vehicle interiors.
Perfect for campervans, motorhomes, vans, boats, and automotive insulation projects where thermal control, moisture protection, and sound reduction are essential.
Key Features & Benefits
- Premium foil-backed thermal insulation
- Heat reflective vapour barrier protection
- Excellent thermal and acoustic insulation performance
- Helps reduce condensation and heat loss
- Strong self-adhesive backing for easy installation
- Flexible and easy to cut for custom fitting
- Flame retardant and moisture resistant
- Suitable for campervans, vans, motorhomes, boats, and vehicles
Recommended Applications
Ideal for:
- Camper van insulation
- Boat insulation
- Vehicle wall and roof insulation
- Wheel arch and floor insulation
- Firewall and engine bay insulation
- Under bonnet heat insulation
- Soundproofing and condensation control
Product Specifications
- Thickness: 15–20mm nominal
- Weight: 740gsm
- Coverage: From 1m²
- Temperature Stability: -20°C to +140°C
- R-Value: ≈ 0.60 (m²·K/W)
- U-Value: ≈ 1.67 (W/m²·K)
- Thermal Conductivity: ≈ 0.035 (W/m·K)
- Sound Deadening: ≈ 20–24 dB
Installation
- Self-adhesive backing included
- Simply cut, peel, and apply
- Star washers can be used for additional fixing support
Suitable for both DIY and professional vehicle conversions.
Conclusion
GlassMAT HR 20mm insulation provides professional-grade thermal insulation, soundproofing, and moisture protection for campervans, boats, and automotive projects. Designed for demanding environments, it helps create a quieter, warmer, and more comfortable interior all year round.
