STA KIL PRIMER|STA-KIL Primer/Sealer is an excellent, flash-drying, interior, pigmented, stain killing, vinyl toluene primer/sealer. It is used for spot priming and sealing bare or previously painted wood, plaster, hardboard and drywall (or for spot priming only on bare drywall). STA-KIL Primer/Sealer is specially recommended for sealing materials that may bleed into the finish paint, such as water-soluble stains and sap streaks on cedar and redwood siding, charred or smoke contaminated wood and walls, crayon, ink, lipstick, grease stains, etc. It is easy to sand, and does not raise drywall nap.