DuPont™ Tyvek® e-Guard W1

 
 
 
Residential | Multifamily | Wall | Exterior Wall

Reflective breather membrane for improved thermal comfort throughout the year

New Tyvek. e-Guard W1 reflective breather membrane reflecting radiant heat in summer and reducing convective heat loss in winter.

 
 
 
 
 
 

DuPont™ Tyvek® e-Guard W1

The airtight and water resistant yet vapour-open reflective breather membrane provides a secondary protection from external moisture. Durable, but flexible and easy to install Tyvek® e-Guard W1 is particularly effective in lightweight wall construction such as timber frame systems.

 
 
 

Features & benefits

Feature Benefit
Durability
  • Excellent long-term performance (based on tried and proven technology from DuPont™ Tyvek®)
  • 4 months UV resistance prior to covering
  • Robust: unique 175 microns functional layer
  • Protection From Water
  • Water resistance (W1); 1700 mm water column helps protect against water damage, wood rot
  • Reflective Surface
  • Reflects 97% of heat radiation (emissivity 3%) for improved thermal comfort throughout the year
  • Thermal Resistance
  • Thermal resistance value for all vertical cavities larger than 20 mm: 0,75 m²K/W (NPL guarded hotbox method)
  • Factory or Site Installed
  • Lightweight, flexible and easy to install
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    Physical properties

    Method Unit Value
    Mass per unit area 110
    Maximum tensile force (MD) 320
    Elongation at max. tensile force (MD) % 16
    Maximum tensile force (XD) 310
    Elongation at max. tensile force (XD) % 19
    Resistance to tearing MD (nail shank) 60
    Resistance to tearing XD (nail shank) 55