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1. Up and Down sliding function
The Timber Sash window also known as an “up and down” window, normally found in older buildings or town houses. The window design generally concludes of two sashes, a top sash that slides down to open and back up to close, and, a bottom sash that slides up to open or down to close.
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2. Sash Horns
The prominent feature of a Timber Sash window is the sash horns, these are a decorative horn which are formed using traditional techniques in the making of the Timber Sash window.
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3. Authentic Timber Features
With Timber as the main material used in the construction of the window, the customer will benefit from realistic look of the grain and traditional joints used, which can’t be done using any other materials to which windows are manufactured from.
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4. Modern Seals
Here in Bonmahon Joinery we use the highest of quality seal in our timber sash windows. With 2 seals on the sash and 4 seals on the frame, this will help retain the heat in your home.
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5. Weights and Pulleys
Our sash windows are manufactured using the traditional Lead weights and pulley wheels, when you open your window the weight acts as a counter balance therefore to keep the sash in a fixed open/closed position.
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6. Double Glazing
All our sash windows are manufactured using warm edge double glazing, gas filled. The ideal of the double glazing gas filled, acts as an insulator to help contain the heat in your home.

























