Bond It Decorators Caulk White features: Colour: White. Bond It CAULK-MATE has good adhesion to most building materials and can be used to seal door and wooden window frames as well as interior sealing of skirting boards and polystyrene coving. CAULK-MATE is also suitable for sealing interior partition joints around fitted furniture and for repairing small cracks and joints with no movement in plaster and wood. 24 hours full cure time.