3.78 x 2 Tins Ready to use interior/exterior concrete clear protective coating with a decorative shimmer effect to be used on bare concrete or over one part floor paints. Only one coat is necessary. Resists chemicals, hot tyres and surface ready for full use in 5 days. Provides a gloss shimmer finish on garages, porches, verandahs and more. Formula is UV and weather resistant for excellent outdoor performance. Easy to use, rollable formula covers up to 28-37m2 per tin (2 tins included) over smooth or bare concrete. Rust-Oleum Concrete & Garage Clear Shimmer Topcoat is a ready to use interior/exterior concrete clear protective coating with a decorative shimmer effect. Designed for use over bare concrete or over one part floor paints to add protective, shimmery gloss finish.