3 Wood Window

Optiwin’s 3 wood system is the world’s finest window; The first wood window to achieve German Passivhaus Certification, Europe’s highest standard for building energy-efficiency.

A robust system of three distinct layers containing a patented system of cork and special wood types.

• Structurally sound, it’s the sturdy block on which the world’s finest window is built.

  Spruce/Fir

• An amazingly effective insulation, the cork middle layer is unique to the 3 Wood system, helping it achieve its Passivhaus certification.

  Cork

• Aesthetically beautiful, Larch is naturally weather resistant as well, eliminating the need for sealants, or paint.

  Larch

• If you prefer, Aluminum cladding is available for the exterior of your window as opposed to wood.

  Aluminum Cladding

2 Wood Window

Optiwin’s 2 wood system is the world’s 2nd finest window; partially insulated, it is an economical counterpart to its ‘fully armored’ brother.

A more sleek system of two distinct layers, also available with an exterior aluminum cladding.

• Structurally sound, it’s the sturdy block on which the world’s finest window is built.

  Spruce/Fir

• Aesthetically beautiful, Larch is naturally weather resistant as well, eliminating the need for sealants, or paint.

  Larch

• If you prefer, Aluminum cladding is available for the exterior of your window as opposed to wood.

  Aluminum Cladding

Frostkorken Entry Door

Beautiful and beautifully efficient, the Frostkorken Door opens a new world of design options. The Frostkorken possesses the highest true R-value available in wood door technology. It has the highest true R-value known in wood door construction. It's this kind of technical quality and integrity that produces comfort the first time you step tothe sill.

Leverages three distinct layers to deliver the highest true R-value available in wood door construction.

• 2 layers of robust birch plywood deliver structural strength while creating room for the cork insulation.

  Birch Plywood

• An amazingly effective insulation, the cork middle layer is unique to the 3 Wood system, helping it achieve its Passivhaus certification.

  Cork

• Along with an aluphenol layer, beech plywood serves as the moisture barrier in this high performance and beautiful entry door.

  Beech Plywood

• if you prefer, Aluminum cladding is available for the exterior of your door as opposed to wood.

  Aluminum Cladding

Patio Doors

Patio Doors

French doors are available as 2Wood or 3Wood window up to 4 feet in width and up to 9 feet tall.

Lift & Slide Doors

Lift & Slide doors offer the ability to move a large segment to one side or another. And the size? Our Lift & Slide Door system can be customized up to 9x11 feet on the operable part and with the fixed glass area up to 16 feet.

• Structurally sound, it’s the sturdy block on which the world’s finest window is built.

  Spruce/Fir

• Aesthetically beautiful, Larch is naturally weather resistant as well, eliminating the need for sealants, or paint.

  Larch

• If you prefer, Aluminum cladding is available for the exterior of your window as opposed to wood.

  Aluminum Cladding

Finishes

Choose from a variety of wood species, with natural, oiled, stained, painted wood finishes, or exterior aluminum cladding.

Hardware

Handles and knobs are produced in aluminum, stainless steel or any other plating system requested. Various locking and security systems are also available. Contact an Optwin rep to see all available options.

Dimensions/Design

All Optiwin windows and doors are custom built. From round to square, to triangular windows, the options are endless.

Additional Components

Mullion (wood dividers in glass), screens and other unique features are also possible through consultation.