14 Best Rated Roof Sealant For Leaks 2023

Adhesives, Sealants & Patching/Caulk & Sealants

Ames Maximum-Stretch is a white, elastomeric, acrylic, rubberized roof coating & sealant with 650% elongation to resist cracking & peeling. With 88% light reflectivity, the bright white finish reduces surface temperatures resulting in lowered cooling costs.

Ames Maximum-Stretch adheres to metal roofing, tar, rolled roofs and more. Use as a RV roof sealant, waterproof sealant, rubber roofing material and more. Designed for low-slope roof maintenance.

650% elongation - does not flake, chip or peel - elastomeric and rubberized coating and sealant. Rubber roofing material is 88% light reflective resulting in lowered cooling costs. Brush, roll or spray on!

Non-toxic, eco-friendly, low VOC & made in the USA

1 Gallon - Our waterproof roof sealant is packaged in 1 gallon Pail. Designed for low-slope roof maintenance on metal roofing, built-up roofing, rolled roofing and more.

PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more

PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more

HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product

COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane

ENVIRONMENTALLY FRIENDLY - Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus

FOR A BULLETPROOF SYSTEM - Bridge joints, seams, vents, gaps, protrusions…. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur

PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more

HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product

COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane

ENVIRONMENTALLY FRIENDLY - Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus

FOR A BULLETPROOF SYSTEM - Bridge joints, seams, vents, gaps, protrusions…. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur

SEALS OUT WATER, AIR AND MOISTURE: Gorilla Waterproof Patch and Seal Spray is a flexible, rubberized coating that seals out water, air and moisture to stop and prevent leaks

CRYSTAL CLEAR: dries crystal clear and transparent creating cleaner, finished projects than similar products

EASY TO APPLY: brush, roll, trowel, dip or pour; Once applied, the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal

TEMPERATURE AND UV RESISTANT: When dried, Gorilla Waterproof Patch & Seal Liquid is temperature and UV resistant resulting in lasting repairs

USE ON: Roofs, Gutters, Skylights, Flashing, Chimneys*, PVC Pipe Joints, Windows, RVs, DIY Projects and More! Not for continuous submersion or below-waterline use.

SEALS OUT WATER, AIR AND MOISTURE: Gorilla Waterproof Patch and Seal Spray is a flexible, rubberized coating that seals out water, air and moisture to stop and prevent leaks

EASY TO APPLY: brush, roll, trowel, dip or pour; Once applied, the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal

TEMPERATURE AND UV RESISTANT: When dried, Gorilla Waterproof Patch & Seal Liquid is temperature and UV resistant resulting in lasting repairs

PAINTABLE: Works with both latex and oil based paint; When coating with oil based paint, use a primer first before painting

USE ON: Roofs, Gutters, Skylights, Flashing, Chimneys*, PVC Pipe Joints, Windows, RVs, DIY Projects and More! Not for continuous submersion or below-waterline use.

PERMANENT: Creates a permanent bond that instantly seals out air, water, and moisture.

INDOOR / OUTDOOR USE: Gorilla Waterproof Patch & Seal tape works great on indoor and outdoors repairs and even under water.

EXTRA THICK: Has an extra thick adhesive layer and UV resistant backing.

FLEXIBLE: Conforms to the surface to repair holes, cracks, gaps, and tears.

FIXES LEAKS: Repairs leaks in roofs, rubber, plastic or vinyl pool liners, and so much more.

The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color

Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable; lasts many years

Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies

Protects surface from corrosion, can be used on wet or dry surfaces

Will not sag or drip in the Summer heat. Will not crack or peel in the Winter cold

Seals leaks in all weather

Extended outdoor durability

Prevents ice/water damage

Waterproof bond

10.3-ounce cartridge; Coverage: 30 lineal feet using a 1/4-inch bead; Specifications: ASTM D-4586, Fed. Spec. SS-C-153 Type I

SEALS OUT WATER, AIR AND MOISTURE: Gorilla Waterproof Patch and Seal Spray is a flexible, rubberized coating that seals out water, air and moisture to stop and prevent leaks

EASY TO USE: The applicator nozzle has a controlled spray pattern providing a clean, even coat; Once applied, the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal

TEMPERATURE AND UV RESISTANT: When dried, Gorilla Waterproof Patch & Seal Spray is temperature and UV resistant resulting in lasting repairs (SERVICE TEMPERATURE: -40°F to 160°F)

PAINTABLE: Works with both latex and oil based paint; When coating with oil based paint, use a primer first before painting

USE ON: Roofs, Gutters, Skylights, Flashing, Chimneys*, PVC Pipe Joints, Windows, RVs, DIY Projects and More! Not for continuous submersion or below-waterline use.