Versatile Product This market-leading putty is ideal for glazing timber or steel frames. And you can use it in virtually any external application, including: Bedding and external fronting single glass into primed softwood and hardwood frames that will be painted Bedding and external fronting single glass into primed steel frames that will be painted Bedding and external fronting single glass into sealed hardwood and concrete that will be painted External putty fronting Long-lasting and easy to apply This hand-applied putty has excellent working characteristics, good long-term performance and conforms fully to all relevant industry standards. Designed to be overpainted You can easily paint over this putty once it’s cured.