Rainguard / RAINGUARD is a flexible protective coating based on styrene acrylic co-polymer for exterior use. Applied as a liquid; it cures to form a durable, protective, waterproof membrane. Advantages: Easy application -by roller, brush etc. Flexible capable of bridging cracks.Protective barrier against salts and atmospheric gases.High-build masking imperfections in substrates.Waterproof protects concrete from waterborne salts.U.V. stable maintains its appearance.