4 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, Works With All Samling TV Stocked Hardwood 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 180-200 SQFT Per 4 Gallon, Thin Gauged Solid Wood 7/16" Thick Or Less V-Notch 1/4"D x 3/16"W x 1/2"A 300 -340 SQFT Per 4 Gallon, Parquet U-Noth 3/32"D x 3/32"W x 3/32"A 280-320 SQFT Per 4 Gallon, Cork Sheet Underlayment Square Notch 1/16"D x 1/16"W x 1/16"A 460-500 SQFT Per 4 Gallon.