Gallon, #1171N, Acrylic Urethane Wood Flooring Adhesive, For Installing Solid Wood & Engineered Wood Plank Up To 3/4" Thick & 5" Wide, Wood Parquet Flooring Up To 5/16" Thick, & Cork Underlayment, With Its Urethane Enhanced Acrylic Technology, Excellent Initial Grab, Long Working Time & Outstanding Rebond Characteristics To Hold Down Wood Flooring Securely During The Installation, Flooring, Coverage Refer To Trowel Recommendations, Solid Wood Greater Than 7/16" Tick, Engineered Wood Plank V-Notch 1/4"D x 3/16"W x 1/2"A 45-50 SQFT Per Gallon, Thin Gauged Solid Wood 7/16" Thick Or Less V-Notch 1/4"D x 3/16"W x 1/2"A 75-85 SQFT Per Gallon, Parquet U-Noth 3/32"D x 3/32"W x 3/32"A 70-80 SQFT Per Gallon, Cork Sheet Underlayment Square Notch 1/16"D x 1/16"W x 1/16"A 115-125 SQFT Per Gallon.