Interlux coatings coverage charts Annette DiOrio April 01, 2022 14:39 Updated D.F.T. - Dry Film ThicknessCoverage estimates are theoretical; your coverage may vary.1 mil = 1/1000th of an inch25.4 microns = 1 mil Related articles How many layers of fiberglass cloth will it take to build up 1/4 inch of solid glass? Choosing the right roller cover Paint brush basics