Storm Shield Garage Door 18' Wide Threshold Kit with Adhesive seals out weather from getting under your garage door. Mounts to your garage floor with supplied adhesive. The floor must be clean, free of paint and temperature above 55 degrees Fahrenheit for 24 hours to allow for proper drying. See instructions for complete details. FREE SHIPPING! IF YOUR ORDERING MORE THAN 3 SETS, PLEASE CONTACT FOR POSSIBLE DISCOUNTS BEFORE ORDERING!