Box Sash Window: Classic
Our sash windows are manufactured from premium, sustainably sourced timber, including pine, sapele, European oak, Accoya, and engineered hardwoods such as Red Grandis.
Additional timber species can be sourced for bespoke applications, subject to availability and suitability
Box Sash Classic frames accommodate the following glazing units:
4–6–4 (14mm DGU)
4–12–4 (20mm DGU)
4–16–4 (24mm DGU)
Vacuum glazing (~8mm overall thickness)
4–14–4–14–4 (40mm triple glazing)
A range of glazing specifications is available to suit thermal, acoustic and visual requirements. Refer to our Design Guide for further information, or contact our team to determine the most appropriate solution for your project.
Glazing bars are available in a range of profiles, with varying depths and detailing to suit both contemporary and traditional designs.
Face-applied glazing bars are used within the Box Sash Classic range.
Duplex bars are available in black, white, grey, brown finish.
Common glazing bar profiles include:
25mm Classic ovolo
25mm Classic lambs tongue
25mm Fine lambs tongue
Bespoke profiles can be machined to suit specific project requirements, including the replication of existing or historic details.
Where required, trickle vents are fully concealed through the head of the frame and are invisible on the internal or the external face of the product.
We offer an extensive range of stains and colours, including any shade from popular paint ranges. If you have a specific colour in mind, we can match it.Take a look at our Design Guide for further information.
Working closely with leading component manufacturers, we carefully select high-quality hardware that delivers both excellent performance and refined detailing.
If you have a particular product in mind that is not covered in our ranges, please let us know and we can check compatibility.
