Barricade is our Super DurableNano Spray Sealant. Safe to use on all exterior hard surfaces Barricade does exactlywhat it says on the bottle ! With the correct preparation Barricade will provide a very glossy super hydrophobic barrier for up to 6 months. Barricade can be used to top up existing protection Spray directly on to a clean Microfibre towel Apply product evenly Immediately buff excess. Work one panel at a time