narrow frame sightlines, smooth operation, minimal maintenance and a long service life.

A modern window with a black frame and a clear glass pane.

Smarts Alitherm 800

The Alitherm 800 window is a flush casement system, the window vent sits within the outerframe giving a flush feel to the exterior, combined with dummy vents gives sleek, symmetric sightlines.

The high quality Alitherm 800 flush casement window delivers outstanding aesthetics and thermal performance.
The 800 range will achieve U Values under 1.5w/m²K when used in conjunction with the correct double glazed units
Frame Depth - 70mm
Glass Thickness - 24mm & 28mm
Enhanced Security - PAS24: 2016

Cross-section of a modern window frame with a double-glazed glass pane and hardware for installation.

Smarts Alitherm 300

This versatile range of profiles can provide many solutions for residential and light commercial applications. It can create traditional casement windows inspired by the elegance and styling of timber products, or contemporary style windows designed for modern homes or offices.

Alitherm profiles utilise Smart’s innovative polyamide thermal break technology which creates a barrier between the cold air outside and the warm air inside.
Alitherm 300 can achieve a U Value of 1.5W/m²K (using correct glass unit)
Frame Depth - 53mm & 70mm
Glass Thickness - 24mm to 36mm
Enhanced Security - PAS24 :2016

Close-up of a window with two panes, one slightly open, showing blurred green trees and sky outside.

Black window frame with an open tilt and turn mechanism.

Smarts Alitherm 400

Combining outstanding value and quality, with class-leading performance and security, the new Alitherm 400 system provides a range of stylish casement windows.

Available with a flush or chamfered profile, the slim lines of Alitherm 400 provide excellent weather and thermal performance, as well as the security assurance provided by PAS24 accreditation.
The 400 range has a typical U Value of 1.4w/m²K
Frame Depth - 70mm
Glass Thickness - 24mm to 45mm
Enhanced Security - PAS24: 2016

Two black picture frames, one standing upright and the other leaning against it, on a white background.

Smarts Tilt & Turn

The smarts tilt and turn system is a great for clients who want to combine maximum light gain whilst still having an opening vent. with multiple opening functions from a single handle it makes opening large casements to how you desire an ease.

Tilt & Turn Profiles feature an extended polyamide thermal break to enhance thermal performance.
these windows will achieve a U Value of 1.4 W/m²K
Frame Depth - 65mm
Glass Thickness - 13mm to 60mm
Enhanced Security - PAS24: 2016

A black double-hung window with one sash tilted open and the other closed, showing a tie in the window frame, with a white background.

Exterior view of a traditional brick house with a blue front door, white trim, a lantern-style wall light, and multiple windows with blinds.

Smarts VS600

A traditional sash window that may be used in heritage and conservation areas where Georgian and Victorian architecture is predominate. The ease of operation and excellent natural ventilation rates means that VS 600 is also suited to high occupancy buildings.

VS 600 incorporates the traditional styling of vertical sliding sash windows with the advantages of the modern aluminium profile.
The system can achieve overall U Values of 1.6W/m²K
Frame Depth - 126mm
Glass Thickness - 28mm

Cross-section of a double-pane insulated window showing the aluminum frame and glass panes.

Color sample fan deck with various shades and an orange booklet labeled 'RAL K5 Classic'.

Colours

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

Close-up of a blue front door with a small window, white wall, and a coat rack holding various jackets, with firewood stacked along the wall beside it.

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, showing a view of lush green trees outside.

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.