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The product line · Extreme Climate Series

Nine coreconfigurations

Five windows and four doors: nine configurations that together make one extraordinary steel system, with slim architectural sightlines and the same Therma Web™ engineering underneath.

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Steel windows and steel doors

Five windowsFour doors

Each configuration comes in the Extreme Climate Series, in a focused range of parametric sizes, and in the Legacy Series, in custom sizes and designs.

Window · 01

Fixed Window

Clean, uninterrupted views.

It doesn't open, so nothing gets between you and the view. Just glass and a slim steel frame.

Window · 02

Casement Window

Operable ventilation with tight sealing.

Hinged at the side, it swings open to let the breeze in, then closes snugly against its seals.

Window · 03

Tilt-Turn Window

Two opening modes in one system.

Tilt it in at the top for gentle airflow, or turn the handle and swing it open fully.

Window · 04

Awning Window

Top-hinged ventilation with weather protection.

It opens outward from the bottom, so the sash shelters the opening from a passing shower.

Window · 05

Hopper Window

Bottom-hinged ventilation for compact spaces.

It tilts in from the top, a smart choice for smaller and higher openings.

Door · 06

Single Swing Door

A refined steel entry solution.

One hinged steel door for a front entry, a terrace or the garden.

Door · 07

Double Door

Wide opening for indoor-outdoor flow.

Two doors open from the center to join the room to the terrace.

Door · 08

Slider Door

Horizontal operation with a modern profile.

Large panels glide sideways, so nothing swings into the room.

Door · 09

Pivot Door

Steel entrance with distinctive pivot action.

The door turns on a pivot instead of side hinges, for an entrance with real presence.

Every configuration

All steelAll slim

All nine configurations are steel with slim architectural sightlines, and every one shares the same engineering underneath.

  • No plastic holding it together. Patent-pending Therma Web™ puts the load on a welded 316 stainless steel truss, so the thermal break only has to insulate.
  • Five performance cores. Fire, thermal, hurricane, sound and ballistic, in the same frame.
  • American steel you can trace. Marine-grade 316 stainless from American mills, made to ASTM A240.
  • A finish that fights corrosion. High-temperature powder coat with a C4 corrosion rating, C5 on request.
  • Built to outlast the view. Limited lifetime structural warranty on the frame and its structural welds.
  • Months sooner than imported steel. Expected delivery of about fourteen to sixteen weeks.

Standard or custom

Every configurationYour sizes

Choose from a focused range of parametric sizes in the Extreme Climate Series, or design your own configuration, made to your sizes, in the Legacy Series.

Compare the two series →

The book · Architect Edition

Wide opento wildfire

Are we playing with fire by overlooking windows and doors?

Written by the team behind Revyn, it explains what really happens when fire reaches a window, what today's tests do and don't tell you, and the questions to ask before you specify. Including the ones to ask us.

Read the opening chapters free, right here on our website.

Tell us aboutyour openings

Send us your plans or an opening schedule. We'll match every opening to the right configuration and come back with a quote.

Once a month

TheSteel Report

Steel windows and doors are changing fast. The Steel Report keeps architects and contractors ahead of the game with industry news, engineering breakthroughs, architectural innovations and the performance standards worth building to. From energy efficiency and wildfire resilience to the life-safety issues that demand action, we report what changed and how to use it in your next project.