Draught proofing also known as draught sealing is the process of sealing the gaps around a timber casement or sash window without affecting the operation of the window.
Sash window draught proofing materials.
However it s this air gap that causes draughts rattles dust ingress and reduced energy efficiency.
Easiseal beads for draught proofing sash windows.
The gaps around a typical single sash window can add up to the equivalent of 6 square inches.
Please take a look at the external stick on draught proofing in the image provided below.
Draftfix provide the uk s no 1 sash window draught proofing system including parting beads staff beads pile carriers weatherpile sash cords sash lead weights ironmongery sash repair kits and sash window sundries to name a few.
Often though they have been over painted the sash cords have broken or the frames may have swollen and they no longer operate as they should.
Some are designed for general draught proofing and can be used on sash windows while others have been designed specifically for sash windows such as those available from exiseal co uk.
On top of that if the install is neat and tidy it shouldn t effect the function of the sash window all that much.