This product is a versatile, broad spectrum, odorless, colorless, multi-use, penetrating, Class "A" fire retardant (For interior use only). Our pre-mixed product is Easy to use, Non-Toxic, Non-Allergenic and offers superior fire-retardant protection. UL Classified Inspecta-Shield assures a quality controlled, invisible fire retardant ideally suited for economical commercial treatments of fibers, lumber, and wood materials. 1 gal. - up to 600 sq. ft. on most fabrics.