sash horns

What are sash horns?

Ever wondered what those little protruding pieces are on a sash window?

Well, those discrete components of the sash window are known as sash horns. The sash horn, as you now know, are those short protrusions below the centre bar and were integral components of the sash window dating from 1860 – or one could say the mid-Victorian period.

For anyone as passionate for sash windows as we are, here is the why. From the mid-Victorian period, houses usually had two panes of glass in each sash. However, the finest houses had just a single one pane, in doing so, the glazing bar (the wood holding in place each pane of glass) from the sash, was removed.

Without the glazing bar, the frame became weak, so along came these short protrusions that were added to make the joints stronger. Hence, the beginning of those little items known as horns. Those little sash horns were Victorian engineering.

In period property restoration, the sash horn can be an essential component for maintaining period integrity. The majority of our work is, of course, sash window restoration, in which case we restore the existing sashes, however our work does include replacing entirely the original sashes.

So, whilst these little items are discrete, they hold a wealth of information and history; usually quite beautiful and unique. As sash window specialists, we take them very seriously. On measures, we can be spotted with a pencil and paper, tracing around those little sash horns; we even go to lengths of taking horn details from neighbouring properties from where we’re working!

From these traces, they’re translated precisely onto new sashes for customers’ via these wooden lasts. So, there you are, a little history of how the sash window got their sash horn and a little picture of how we keep their history.

To discover more about our work, or about your own windows, to book a free survey or arrange a workshop visit to see sash windows being made, you can call us on the low-call number 0333 6000 196 or email and we’ll come straight back to you.

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Posted in Sash & Casement Windows, Doors.

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