La-co La-co Heat-Seal Premixed Epoxy Sealer Stick, 11575, 3/8 Oz La-co Heat-Seal Stik melts, seals and cures in one operation. Melt the stick into the hole or crack, heat cure for a few seconds and the job is done. Ideal for use on high and low side of... Quick view Qty in Cart: 0 Price: Subtotal: