Spray-up Stain Blocker by 1800ceiling, for effective ceiling stain cover up, this is the ideal product. The ceiling stain blocker comes in an aerosol can that was designed to apply the stain blocker in a true vertical position with no need to tilt the can. This enables you to better utilize every drop with no waste. The ceiling stain blocker is perfect for holding back water stains and painting/restoring old ceiling grid systems. (Watch the video). 15 ounces per can.
Ground shipping only.