1. Soffit Lining. The head of the window is made up of main inner and outer Timber Linings (4) and a separate Soffit Lining. Strength is added via glued triangular blocks.
2. Glazing Bar. Vertical and horizontal framing members that divide the panes within the Rails and Stiles.
3. Pulley Wheel. The pulley mortised in the top of the Pulley Lining. The Sash Cord (11) will pass over it and counterbalance the Weights (6).
4. Timber Linings. Sections that form casings of the Box Frame (10). These are hollow and house the Weights (6) and are made in three parts: the ‘outer’, ‘inner’ and ‘pulley’ linings.
5. Wag Tail. Strip of timber inside the Box Frame (10) separating the Weights (6). This can also be called a ‘parting slip’.
6. Weight. To counterbalance each sliding sash a pair of lead weights are hung on the Sash Cord (11). The weights and sash must be if equal weight.
7. Bottom Rail. Horizontal bottom framing member.
8. Box Cill. Internally fitted horizontal bottom section of the frame at the base of the sashes. Correctly shaped the water will flow away to the outside.
9. Top Rail. Horizontal top framing member.
10. Box Frame. This can also be known as a ‘jamb’. The main box frame will be made up of three Timber Linings (4).
11. Sash Cord. The sash cord runs over the Pulley Wheel (3) holding the Weights (6). Some sash windows have Spiral Balancers instead.
12. Weight Pocket. The cavity inside the Timber Linings (4) either side of the window where the Weights (6) hang.