High solids epoxy interior primer is fast-drying. Designed for use in interior spaces such as bulkheads, bilges, engine rooms, and behind linings. Dry enough to withstand walking after 2.5 hours. Low VOC low odor and minimum surface preparation requirements make this interior primer the ultimate choice for labor savings. The primer and finishing systems are Surface Spread of Flame certified. Professional use only. Mix Ratio Mix ratio 4: 1 by volume. Low VOC odor Minimum surface preparation requirements | Interlux Interior Primer, Gallon in White