Before application ensure you wear suitable personal protective equipment, The product should be tested on an inconspicuous area prior to application. Ensure the working area is well ventilated, Ensure the surface to be sealed is thoroughly clean, Shake the canister well & apply an even spray. Wipe off excess overspray (for grout lines spray 10-25cm away from surface), Test area is sealed correctly by sprinkling a little water onto the surface, if it stays as droplets it is sealed, if not apply more sealer, Dry within 1 hour & fully cured within 24 hours