Please use the following guide for determining the correct gutter sealants:
Ruscoe 12-1 and #2 Sealant: For sealing gutter joints, end caps, miters, etc.
Rescue 911 Leak Sealer: A "quick fix" for repairing roof, gutter, and gutter joint leaks.
Titebond Weathermaster: For siding, windows, doors, and vents.