Traditionally made from linseed oil and chalk putty is a versatile material used for various purposes, but primarily for sealing and repairing. This includes securing and sealing window panes into their frames, providing a weatherproof seal preventing water ingress and drafts. Can also be used as a gap filler, stopper for wood when painting with oil based paints.

Putty replacements are modern alternatives to traditional putty and can offer some advantages, such as compatibility with double glazing. faster drying times which allow for paints to be applied sooner and also compatibility with water-based paints.