Buildex Backer-On #10 x 1-5/8 In. Cement Board Screw (140 Ct.) Clamps K-77 Root Killer clears roots

K-77 Root Killer clears roots from leach fields

colored throughout & is uv stabilized

Manufactured with copper conductors and solid molded plugs and two layers of insulation

Designed To Work With ASTM D3309 Spec Polybutylene

600 psi non-shock wog

Buildex Backer-On #10 x 1-5/8 In. Cement Board Screw (140 Ct.) Clamps K-77 Root Killer clears rootsGimlet point. No. 2 star drive prevents bit from slipping. Special ribs under the head countersink into material for flush seating. Serrated thread design reduces installation torque and provides superior holding power. Corrosion resistant finish prevents unsightly rust from bleeding into tile. Specifically designed and recommended for use with fiber cement backerboard. Common applications: Bathtub shower, countertops, floors, sink blacksplash.