BENEFITS: Easier to apply than most competitive putties. Extended shelf life. For wood and metal frames. Added plasticiser improves adhesion and helps prevent cracking. Single glazing of pretreated wooden and metal rebates. LIMITATIONS: Unsuitable for plastic frames, heat-absorbing glass, double glazing or frames treated with decorative microporous stains. Do not overpaint until a surface skin has formed (minimum 7 days, maximum 30 days).