Four Walls retrofit with PERFORMANCE triple glazed windows and doors

Cost-effective range for retrofits and low energy newbuild projects.

  • U value as low as 0.85 W/m2K
  • FSC®  timber
  • Part Q compliant and Secured by Design options



Featured Image: PERFORMANCE casement outward opening triple glazed timber window

Tilt & turn

Featured Image: PERFORMANCE tilt turn inward opening triple glazed timber window

Entrance door

Green Building Store PERFORMANCE triple glazed timber entrance door

Other door styles

PERFORMANCE bi fold fold-aside triple glazed timber door

Affiliations & Accreditations