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Common terms for timber casement windows
Here is some basic window terminology, but remember if you need any help our team are happy to assist!
| Frame | The frame is the outer shell of the window, if you are ordering a window it is measured over all the frame size. |
| Casement | A casement is a hinged sash that swings, these can be either side hung or top hung. |
| Transom | Any horizontal bar that splits the window. |
| Mullion | Any vertical bar that splits the window. |
| Jambs | The vertical portion of the frame. The jambs bear the weight of the casements. |
| Bead | Small timber section used to secure the glass in place (along with glazing tape). |
| Drip mould | Small bevelled profile projecting from the head of the frame designed to enhance protection from rainwater |
| Projecting cill | A projecting cill is a bevelled profile projecting from the base of the frame. |
Our wooden windows and doors are made-to-order to suit your requirements - customise the size, design and finishing touches.
Start designing online or ask our team to design something for you. We’ll manufacture to your exact specification at our Staffordshire-based facility.
Delivery of your timber windows and doors can be in as little as 7-10 working days. We have our own delivery team to ensure safe arrival of your order.
Got a question? Take a look at our comprehensive FAQs.
Go to FAQsBrowse our guides for information on measuring, fitting, and glazing.
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