Used for glazing wood and metal sash both in shop and on-site. This is a modern glazing compound that remains elastic throughout its service life. The only glazing compound that meets every requirement of the glazier, painter and homeowner. Dual Glaze is a slow skinning product, usually forming a strong enough surface skin to be painted in 2-3 weeks depending on temperature. Now packaged in a convenient quart or gallon sized bucket with resealable lid.