SJM Group are Manufacturers, Installers and Suppliers of Aluminium SAPA Building Systems and Deceuninck (PVCu).  We offer a supply only service or supply and fit in Hertfordshire, London and the South East.

The SAPA range of systems include aluminium doors, windows (open out casement, vertical & horizontal sliders, tilt & turn, pivot etc.), curtain walling, sliding folding doors, patio doors, conservatory roofs and rooflights. 

These products have been designed to integrate with each other allowing the creation of project-unique, colour co-ordinated composite units to exactly meet your aesthetic and technical needs.

GRIDFRAME - Curtain Walling, Facades and Sloped Glazing

As well as traditional capped curtain walling, the Gridframe range offer semi-capped and non-capped systems providing aesthetic flexibility to suit different budgets. Innovative designs help reduce costs and the ease of construction reduces site time too.

DUALFRAME - Dual Colour Windows, Doors and Conservatory Roofs

Designed with superior thermal performance, Dualframe is an integrated door and window suite aesthetically enhanced for residential and commercial applications.

The unique profile design gives you the option of choosing different colours or finishes inside and out.

A conservatory roof system is also available for residential applications.

PROFRAME - Windows, Doors and Standard Ground Floor Treatment

Proframe is a cost effective, integrated, window, door and ground floor treatment suite designed specifically for commercial applications. Visible hardware can be colour coordinated with the frames and multipoint and security locking options are available.

STORMFRAME - High Performance Ground Floor Treatment

The Stormframe door has unique weather performance and is tested to 600Pa for both air and water. Combined with other Sapa ranges such as Proframe, the Stormframe door will give high performance in any commercial entrance.

FIREFRAME - Fire Resistant Doors and Screens

A complete range of aluminium fire resistant doors and screens to integrate with other Sapa products allowing a seamless look. Fireframe gives up to one hour’s integrity and thirty minutes insulation against fires originating on either side of the screen.

Patented design and safety features combined with high security locking options make Fireframe a unique fire resistant screening solution.