Standard Conformity Conforms to BS EN 13813 CT-C12-F5 Application thickness 0 – 3 mm Open Time/Working Time Approximately 15 minutes at 20ºC Coverage When mixed with 6L of water and applied as a scrape coat, an 11kg bag of Tilemaster Feather will cover approximately 50m2 (approximately 10m2 at a 1mm depth) Flexural strength N/mm2 (BS EN 13892-2) 1 day > 3.0 7 day > 3.5 28 day > 6.0 Storage Store unopened, clear of the ground in cool, dry conditions Shelf life Stored correctly this product has a shelf life of 6 months Pack sizes 11 kg