Henry Premixed Patch N Level

A ready to use patching and leveling compound for smoothing and repairing concrete, wood and masonry prior to flooring installation. The henry 345 1-gal. Premixed patch and level can be used indoors or outside on under layment. The patch and level offers up to 20 sq ft of coverage per gallon. Fast drying premixed formula dries in only 2 to 3 hours. No primers or additives needed. Apply directly to clean, dry wood. Lightly dampen concrete and masonry using clean water and a stiff brush or sponge. Do not leave puddles or standing water.