Novia MirrorWrap W1 Reflective Wall Breather - 2.7m x 100m

The Novia MirrorWrap W1 Reflective Wall Breather Membrane is a premium four-layer laminate designed for high-performance insulated wall applications. Suitable for timber frame, off-site, and modular construction, it delivers outstanding moisture protection with Class W1 water resistance to EN 1928 while maintaining high vapour permeability to allow buildings to breathe.

Its reflective outer face, which is free from any branding, text, or images, maximises energy efficiency by reflecting heat—helping to keep interiors cooler during summer and warmer in winter. The clean white reverse ensures a professional finish during installation. Correct fitting can deliver an additional R-value of up to 0.74 m²K/W, enhancing insulation performance.

Fully CE compliant to EN 13859-2 for walls and rated Class E to EN 13501-1 for fire performance, Novia MirrorWrap W1 combines durability, airtightness, and thermal efficiency in one easy-to-install membrane.

Features & Benefits:

• Four-layer laminate wall breather membrane with microporous core
  
• Reflective surface with 98% reflectivity for enhanced energy efficiency
  
• Can deliver an additional R-value of up to 0.74 m²K/W
  
• Class W1 water resistance to EN 1928
  
• CE compliant to EN 13859-2 for walls
  
• Airtight and highly vapour permeable for moisture control
  
• Reflective face helps maintain comfort in all seasons
  
• Fire classification Class E to EN 13501-1