Bonstone T-2000 Epoxy Setting (1 Gallon). The Bonstone T-2000 is a high-strength epoxy tile adhesive that forms a thick epoxy bed, which allows you to adjust tile, stone, or countertops onto uneven surfaces. Sold in Gallon Unit. Applications include: Tiling walls, boat decks, elevators walls, steel-cased stairs; Setting stone on a outdoor fireplace; Adhering stone to stainless steel or aluminum; Installing countertops; Working with chemical-resistant areas and other difficult bonding jobs.