BOWSEN Heavy-Duty U+O Ring Universal Garage Door Bottom Seals Weatherstrip Rubber with Aluminum Track Retainer Kit, Black (16 FT, 1-1/4" Width) New This BOWSEN design Universal Garage Door Bottom Weatherproof Seal and Retainer Kit, Great option for wood garage doors and any type of door with a flat bottom. This retainer can be used in many other applications, edge of gates, sliding doors, entry doors and many other uneven floor types of situations. Seal insert is held in place with a sturdy aluminum extrusion fastened to bottom of door with screws. (aluminum retainer track width 1-1/4inch) High performance, made of durable, black EPDM synthetic rubber, excellent for extreme temperature conditions (-40°~240°F). Get passed the Low Temperature Flexibility, Aging Resistance Test and Bottom Anti Seepage Test Door Weatherstrip & Accessories, will receive a 16 foot kit of aluminum with 5 each, You will also receive the weather seal in a 16 foot kit with one each. Come with 2 of rubber end plugs and screws Recommended for use on steel or wood roll up doors Heavy duty aluminum and rubber seals for long lasting durability Prevents drafts, dirt, and rain from entering under garage door Remains flexible during cold temperatures