The 811-I window offers the same features as the 810-I heavy commercial window with additional impact grade glazing options. E-Strut® thermal isolators provide outstanding thermal performance and dual finish capability. Please contact EFCO Procuct Technical Support Department for Blast / DoD applications.
E-Strut™ thermal isolator
Completely eliminates dry shrinkage
Dual finish capability
Improves U-Value performance
Angle reinforced vent corners
Improves sash/vent rigidity
Pressure equalization
Superior water resistance
Anodized or painted finishes available
Unlimited options to answer economic and aesthetic concerns