Dry in 30 minutes - No sanding. One Strike is a revolutionary new filler formulated using lightweight polymer bubbles that fill most holes and cracks. For use in plaster, wood, brick, stone and rendering. Ideal for overhead applications - will not slump out of cracks. One Strike Filler in a Cartridge won the Silver Award for Best New DIY Product at the Totally DIY 2010 Exhibition, at Birmingham NEC.