Alitherm Heritage , The perfect solution for sensitive refurbishment and renovation projects

Back patio of a house with a large sliding glass door, stone pavers, and potted plants.

Alitherm Heritage provides the ideal solution for heritage applications such as listed building renovations and large scale replica-refurbishment projects where planning constraints are to be considered. The window is designed to be built as a series of horizontal modules which can be stacked using horizontal couplers to form a multi-part window featuring a specially design drip bar between modules.

Alitherm Heritage Range

Interior view of a large glass sliding door leading to an outdoor patio with stone tiles and a green plant.

Heritage Window

A like-for-like replacement for the crittal steel windows, Aluminium boasts a number of benefits over steel such as an increased life span, enchanced thermal performance and reduced maintenance.

  • Featuring slim, thermally-broken profiles, Alitherm Heritage windows are available in a number of formats, including fixed-pane, sash, top-hung and side-hung casement, pivot and tilt and turn.

  • The system’s timeless elegance is also accompanied by the outstanding thermal performance of a modern aluminium system.

    Both the window and door systems deliver a U-Value of 1.5 W/m²K

  • Frame Depth - 47mm

    Frame Height - as little as 33mm (fixed pane)

    Glass Thickness - 24mm to 36mm

Modern window frame with glass and metal components.
Glass door with multiple window panes on a patio, reflecting outdoor plants and a person, with potted plants and a doormat outside.

Heritage Door

The Smart Alitherm Heritage door is the ideal replacement for steel doors on heritage applications such as building renovations or apartment conversions. The Alitherm Heritage door provides the solution for conservation areas where planning regulations require a like-for-like product replacement.

  • Alitherm Heritage door profiles feature the system’s signature slim sightlines and elegant lines that mimic those of crittal steel doors but with added thermal performance.

  • The system’s timeless elegance is also accompanied by the outstanding thermal performance of a modern aluminium system.

    Both the window and door systems deliver a U-Value of 1.5 W/m²K

  • Frame Depth - 47mm

    Frame Height - as little as 33mm

    Glass Thickness - 24mm to 32mm

    Typical Sightlines of 59mm

    Maximum Sash Width - 900mm

    Maximum Sash Height - 2100mm

Close-up view of a modern window frame with a handle and locking mechanism.
Color fan deck of RAL Classic color samples in a circular arrangement.

Colours

All of our products are available in any RAL colour from the RAL classics range. some products offer textured and dual colour finishes.

View of an entryway with a blue front door, white walls, a wooden ceiling, and a coat rack with jackets and bags. There's a basket and a woodpile on the right, with a star-patterned rug on the floor.

Hardware

our range of handle styles and finishes ensures you find a handle that fits the look that you want.

Close-up of a window with horizontal blinds.

Glazing Options

From Solar controlled glass to integral blinds we can offer a range of different double or triple glazed units to all of our products.