Cromapol Acrylic Roof Coating - 20kg Black Storage and Application Coverage: 1 to 2kg per m on average. Drying Time: Up to 72 hours dependent on the ambient temperature. Shelf Life: 12 months under good storage conditions in original unopened containers. Storage Conditions: Store away from children, preferably under cover and between 5C and 20C. Description A high performance acrylic based roof coating containing fibres which can be used without a primer and has the ability to be applied in damp conditions on most surfaces. Cromapol will waterproof instantly, even while wet, and will not wash off while curing. Will withstand ponding and covers in only one coat which normally needs no primer!   Features Great adhesion. Application in damp weather. Instant protection. No wash off. Excellent solar reflectivity. Reinforced membrane. Application in one coat. Seamless. Fully flexible. Indefinite shelf life. Unaffected by temperature. Economical.