A system comprised of fire retardant coatings for wood building products, fire retardant coatings, namely, an intumescent coating for wood products, dimensional lumber, plywood, engineered wood, I-Joists, oriented strand board (OSB), and laminated wood and pre-treated fire retardant wood for creating a fire stop between constructed systems and floors, by coating and using coated wood product in the floor sheathing, rim boards, and I-Joists resulting in a fire inhibiting barrier

A system comprised of pre-treated chemically treated wood containing fire-retardant chemical and glue-laminated wood and also fire retardant coatings for wood building products, fire retardant coatings in the nature of an intumescent coating for wood products, dimensional lumber, plywood, engineered wood, I-Joists, oriented strand board (OSB) for creating a fire stop between constructed systems and floors, by coating and using coated wood product in the floor sheathing, rim boards, and I-Joists resulting in a fire inhibiting barrier; Chemically treated wood, namely, wood beams, wood boards, wood joists, wood flooring, wood trim, wooden beams, all of the above containing a fire retardant chemical