A Secret Weapon For sash window draught proofing
The glass in old windows might be the incredibly early 'plate' or 'broad' glass to 'crown' or 'cylinder'.[five] Aged glass is recognised by its imperfections ('ream') which lead to optical distortion.Inspect your windows: Before starting the draught-proofing method, totally inspect your timber sash windows for any existing gaps, cracks, or regions