If you need a little extra help that a seal just wouldn't fix due to the position of your garage door these foam blocks will do the job just fine.
¾” High Garage Door Threshold Seal Kit 20'3 Length, Flexible PVC, Complete Kit Includes 2 Adhesives
GARAGE DOOR SEAL, TOP & SIDES Vinyl With Vinyl Insert - Climaloc Solutions
Garage Door Thresholds - Garage Door Seals – GaraDry USA
GaraDry 0.78 Garage Door Threshold Seal Kit 20'3
1 ½ High Garage Door Flood Barrier Threshold Kit (8'3), Flexible PVC, Complete Kit Includes 2 Adhesives
¾” High Garage Door Threshold Seal Kit 20'3 Length, Flexible PVC, Complete Kit Includes 2 Adhesives
Foam Side Block Inserts for Garage Seals – GaraDry USA
Residential Door Threshold Seals - Seal Kits – GaraDry USA
How To Seal Garage Door Sides And Top
2 High Garage Door Flood Barrier Threshold Kit 'GARADAM' (8'3), Flexible PVC, Complete Kit Includes 2 Adhesives
1 ½ High Garage Door Flood Barrier Threshold Kit (8'3), Flexible PVC, Complete Kit Includes 2 Adhesives
1 ¼” High Garage Door Threshold Seal Kit 10'3 Length, Flexible PVC, Complete Kit Includes 1 Adhesive