Real steel systems. Quoted from your drawings.

Jansen Janisol thermally broken steel: HI doors and windows, a lift-and-slide door and the slim Arte 2.0 for arched and heritage glazing. Each page shows the section, the sizes and the weights I have quoted. These are steel systems, not steel-look aluminum.

Read the steel windows and doors guide

Windows & Doors

Black steel glazed double doors in a dark interior looking out to a forested hillside

Real steel

Jansen - Switzerland

Janisol HI

Thermally broken steel doors and windows with narrow faces and a deep 3.15 in section.

Inside: Powder-coated steel
Outside: Powder-coated steel

View details

Slim steel double doors with divided lights opening to a terrace and trees

Real steel

Jansen - Switzerland

Janisol Arte 2.0

The slimmest Janisol profile, for heritage-style glazing and arched doors.

Inside: Powder-coated steel
Outside: Powder-coated steel

View details

Sliding Systems

Living room with a large black-framed sliding glass wall opening to a pool terrace

Real steel

Jansen - Switzerland

Janisol Lift-and-Slide

A steel lift-and-slide door for wide openings and heavy glass.

Inside: Powder-coated steel
Outside: Powder-coated steel

View details

Steel or steel-look?

These three systems are real steel: heavier, made to order and quoted from drawings. They are not insulated steel slab entry doors. If you want the steel look in thermally broken aluminum, that is a different product.

See steel-look aluminum windows →

Windows rather than doors?

Janisol HI includes casement and fixed windows. A window-focused Janisol line, Primo, is available on request: ask me and I will confirm sizes and thermal values for your openings.

Read the steel windows and doors guide →

Need help choosing?

Send me your window schedule and I'll match the right steel system to every opening.

Get a Quote

Explore the systems in the Studio