Top of the line fire retardant un-matched in quality and performance. Treat all wood and lumber surfaces.

Class "B" rating. Uses include all types of wood and foam even manufactured board, lumber, plywood, ceiling insulation and is excellent for rough sawn siding. Uses also include all types of porous material, Use full strength only! DO NOT DILUTE!

Average coverage of treatment is 200-250 sq. ft. per US gallon with two coats. 
Interior applications 20 years, Exterior applications 3 Year.

  Product technical info (PDF)