Gardner Leak Stopper is a revolutionary advancement in roof patching and repair. This long lasting rubberized repair is specially formulated to penetrate deep into damaged areas and stop roof leaks instantly! The secret is Penetrex, a unique penetrating oil that reaches deep into the crack and forms a complete seal. With the addition of liquid rubber, this flexible, high performance plastic cement provides a superior watertight bond that will stop problem leaks for good. Product formulated to be used year round. Leak stopper is ideal for a variety of roof surfaces including Shingles, Built-Up Roofs, SBS Modified Roofs, Metal Roofs and many other surfaces.
- Physical Form: Liquid (Paste)
- Color: Black
- Odor: Petroleum Hydrocarbon / Solvent odor
- Flash Point – 105 F
- Residue by Evaporation:80% min
- Flexibility Good: Stretches to resist cracks
- Combustible: Solvents Mineral Spirits
- Consistency: Trowel
- Cure Time: 4-8 hrs. to set – 24-48 hrs. (at recommended coverage rate) to cure depending on surface and weather
- Application Temperature: 50°-120°F
- Flammability: (Flash pt. °F solvent) 105°
- Clean-up Tools: Paint thinner, mineral spirits
- Dimensions: 2″ x 2″ x 11.5″










