FAST 2K is an award-winning innovation, much better and more convenient than to concrete for setting fence posts, mail boxes, signs and much more. FAST 2K does not require water, sets posts in minutes and becomes waterproof after fully cured which helps protect the post against rotting. FAST 2K is a two-part proprietary polymer that expands to fill the peripheral void between a fence post and the hole. FAST 2K expands immediately after mixing and holds the posts in 2 to 5 mins. Fences can be built-in 15 to 30 mins after FAST 2K finishes expanding.