Blackfriar Anti-Slip Deck Coating is a clear deck coating which allows the beauty of wood to show through whilst providing a slip-resistant surface. It provides excellent coverage and the micro-aggregate yields slip resistance. Ideal for exterior timber decking and walkways. Application Method: Brush and Roller. Coverage: 9msup2;/L/Coat.Touch Dry: 4-6 hours.Hard Dry: 3 days.Recoatable: 12 hours.