One area of a garage door often not thought about is the bottom seal. Although garage doors have a rubber seal on the bottom of the door, often rain will seep past the door, resulting in a wet garage floor. Installing a garage door threshold strip will seal the bottom edge to prevent rainwater from entering the garage. Thresholds are available at home improvement centres and garage door dealers.
- Skill level:
- Moderately Easy
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Things you need
- Stiff wire brush
- Tape measure
- Utility knife
- Tube of construction adhesive
- Caulk gun
Open the garage door and brush the floor between the door tracks with a stiff wire brush. Sweep the area clean. This provides a good contact surface for the threshold to adhere to the floor.
Measure the width of the opening between the two door tracks with a tape measure. Transfer the measurement to the threshold and cut the threshold with a utility knife.
Lay the threshold flat in between the two door tracks with the raised hump pointing toward the back of the garage. Lower the garage door over the threshold. Push the hump of the threshold against the garage door.
Trace the edge of the threshold onto the garage floor with a pencil. Open the garage door, without moving the threshold, and trace the opposite edge of the threshold onto the floor with the pencil.
Lift the threshold away from the door opening. Place a 1/8-inch bead of adhesive on the inside edge of each pencil tracing with a caulk gun. Use a swirling back-and-forth motion to place another bead of adhesive between the first two beads.
Place the threshold in between the door tracks, lining up the edges of the threshold with your pencil marks. Press the threshold firmly with your feet to ensure the adhesive spreads evenly. Lower the garage door over the threshold and allow the glue to dry according to the package instructions.
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