Bostik Cementone Natural Stone Sealer 5L is water based sealer that seals natural stone to help prevent staining and will reduce efflorescence. It is ideal for sealing unsealed patios and driveways. Natural stone is naturally porous therefore it is susceptible to staining. Once applied, the Cementone Natural Stone Sealer will protect the stone from staining, however it is advisable that all spillages are removed quickly using hot soapy water. Most types of natural stone are suitable for the sealer, however it is advisable that the sealer is first applied on a small area to test the porosity of the stone.

Key features

• Suitable internal and external application
• Resist freeze
• Resist thaw cracking and mould
• Easy to apply

Application
The Cementone Natural Stone Sealer should be applied in dry conditions using a suitable brush. It is important that the stone has been allowed to dry before applying the sealer to ensure the sealer penetrates the stone.