10 Best flat roof coatings of 2025

Save up to 35% off

Best Choice

1

Countryman Coatings
Countryman Coatings 100% Silicone Roof Coating - Restore Your Roof in a Day - Seal Leaks, Cracks, Seams, Penetrations - Adheres to All Surfaces (4.75 Gallon, White)
Main highlights

Versatile Application
Countryman Coatings Silicone Roof Coating adheres to various surfaces without primer, ensuring strong adhesion and long-lasting protection.

Energy Efficiency
Reflects 90% of UV rays, reducing energy costs by up to 20% for cooler buildings.

Ease of Use
Highly praised for easy application and beautiful, smooth finish, even on complex surfaces.
Key specs
- Water Resistance:True
- Color:White
- Dimensions:12.5 x 12.5 x 15 inches
- Features:UV Resistant
- Material:Silicone, Urethane
9.8

Exceptional

Our Rating

9.5
worth the money

9.3
Simple to use
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Value for Money

2

Gardner-Gibson

Gardner Flat Roof Coat-N-Seal Liquid Rubber Coating (5 Gallon)
9.7

Exceptional

Our Rating
3

Rust-Oleum
Rust-Oleum 4.75 Gallon 301994 Elastomeric Roof Coating, 710 White
Main highlights

High Reflectivity and Weather Resistance
Offers 84 initial reflectivity and 74 weathered reflectivity, ensuring long-lasting protection and energy efficiency.

Ideal for Heat Reduction
Perfect for reducing heat absorption on roofs, especially in hot climates like Florida.

Easy Application and Cooling Effect
Praised for ease of application and noticeable cooling effect post-application.
9.6

Exceptional

Our Rating

9.9
Simple to use

9.9
Sheerness

8.4
lasts a long time
4

AMES
AMES RESEARCH LABORATORIES MSS1 Maximum Stretch Roof Coating, 1 Gallon, White

35% Off
Main highlights

Superior Flexibility and Durability
Ames Maximum-Stretch offers 650% elongation, resisting cracking and peeling for long-lasting protection.

Versatile Roof Coating
Ideal for metal, tar, rolled, and RV roofs, offering excellent adhesion and waterproofing.

Ease of Use
Praised for its easy application and weather resistance, providing reliable protection.
Key specs
- item form:Pail
- size:1 Gallon
- surface:Metal, tar, rolled roofs
- material:Elastomeric acrylic rubber
- water resistance:Waterproof
9.4

Excellent

Our Rating

9.7
Attachment

9.5
Simple to use

9.3
Easy to use
5

Liquid Rubber
Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon
Main highlights

Highly Flexible and Durable
The final membrane has over 1000% elongation and is UV stable, ensuring long-lasting protection.

Versatile Application
Ideal for flat roofs, metal roofs, planter boxes, and more, suitable for both indoor and outdoor use.

Effective Waterproofing
Customers praise its thick application and excellent sealing capabilities, preventing leaks effectively.
9.3

Excellent

Our Rating

9.9
Attachment

9.3
Simple to use

9.1
Water tight
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6

Gardner
Gardner-Gibson Sta-Kool 15-Year Turbo-Dri Elastomeric Roof Coating, White, 5 Gal, Flexible White Acrylic, Reflective Finish Keeps Cool, Resists Cracking and Peeling
Main highlights

Long-lasting Protection
Gardner-Gibson Sta-Kool offers a 15-year lifespan, resisting cracking and peeling.

Ideal for Hot Climates
Perfect for cooling sunrooms and extending living space in hot areas.

Effective Temperature Control
Customers praise its ability to maintain cooler indoor temperatures.
9.2

Excellent

Our Rating
7

Liquid Rubber
Liquid Rubber Silicone Roof Coating - UV-Reflective, No Primer Needed, One-Coat Sealant for Flat, Sloped, Metal, Wood, Concrete, EPDM, and TPO Roofs, White, 1 Gallon
Main highlights

Multi-Use Roof Sealant
Effective on flat, sloped, metal, wood, and concrete roofs.

Ideal for Touch-Ups
Perfect for post-winter touch-ups and sealing problem areas.

Praised for Easy Application
Goes on smoothly and dries without imperfections.
Key specs
- item form:Liquid
- size:8.78 x 8.23 x 7.32 inches
- surface:Flat and sloped roofs
- material:Silicone
- water resistance:Waterproof
9.1

Excellent

Our Rating
8

Gardner-Gibson
Gardner-Gibson 9/30/6080 4.75 Gallon Rubberized SBS Roof Coating
Main highlights

Strong_Flexible_Waterproof_Seal
The Gardner-Gibson roof coating offers a durable, rubberized seal that is both flexible and waterproof, ideal for long-lasting roof protection.

Ideal_for_Asphalt_and_Rubber_Roofs
Best suited for sealing and protecting asphalt and rubber roofs, providing a reliable barrier against leaks and weather damage.

Highly_Effective_Leak_Stopping
Customers frequently praise its ability to stop roof leaks promptly, enhancing roof integrity and performance.
9.0

Excellent

Our Rating
9

Liquid Rubber
Liquid Rubber Color Waterproof Sealant - Elastomeric Roofing Coating for Flat or Slope Roofs & Foundations - DIY Paint & Leak Repair Membrane Compatible with Metal & Concrete - Light Gray, 5 Gallon
Main highlights

Key Features
Highly flexible, UV stable, and over 1000% elongation. Water-based, with no harmful odors. Safe for various surfaces and environmental friendly.

Ideal Use Cases
Perfect for flat and sloped roofs, planter boxes, foundations, and more. Suitable for both indoor and outdoor applications, ensuring broad utility.

Customer Praise
Most reviews highlight its durability and effectiveness in waterproofing, emphasizing its ease of application and long-lasting protection.
Key specs
- item form:Coating
- size:12 x 12 x 16 inches
- surface:Flat/Ponding Surfaces
- material:Liquid Rubber
- water resistance:Waterproof
8.9

Very Good

Our Rating

9.1
Simple to use

9.1
Water tight

8.4
Simple to clean
10

Henry
Henry HE587372 Roof Coating, 5 Gal

24% Off
Main highlights

High Solids Reflective Coating
Henry 587 Acrylic Dura-Brite offers high reflectivity, reducing roof temperature and energy costs.

Ideal for Flat Roofs and RVs
Perfect for flat roofs and RVs needing heat reflection and waterproofing.

Easy Application and Strong Adhesion
Customers praise its easy roll-on application and excellent adhesion to surfaces.
8.7

Very Good

Our Rating

8.4
Simple to use

8.2
worth the money

10 Best flat roof coatings of 2025

1

Countryman Coatings 100% Silicone Roof Coating - Restore Your Roof in a Day - Seal Leaks, Cracks, Seams, Penetrations - Adheres to All Surfaces (4.75 Gallon, White)

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Gardner Flat Roof Coat-N-Seal Liquid Rubber Coating (5 Gallon)

3

Rust-Oleum 4.75 Gallon 301994 Elastomeric Roof Coating, 710 White

9.9

9.9

8.4

4

AMES RESEARCH LABORATORIES MSS1 Maximum Stretch Roof Coating, 1 Gallon, White

9.7

9.5

9.3

5

Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon

9.9

9.3

9.1

6

Gardner-Gibson Sta-Kool 15-Year Turbo-Dri Elastomeric Roof Coating, White, 5 Gal, Flexible White Acrylic, Reflective Finish Keeps Cool, Resists Cracking and Peeling

7

Liquid Rubber Silicone Roof Coating - UV-Reflective, No Primer Needed, One-Coat Sealant for Flat, Sloped, Metal, Wood, Concrete, EPDM, and TPO Roofs, White, 1 Gallon

8

Gardner-Gibson 9/30/6080 4.75 Gallon Rubberized SBS Roof Coating

9

Liquid Rubber Color Waterproof Sealant - Elastomeric Roofing Coating for Flat or Slope Roofs & Foundations - DIY Paint & Leak Repair Membrane Compatible with Metal & Concrete - Light Gray, 5 Gallon

9.1

9.1

8.4

10

Henry HE587372 Roof Coating, 5 Gal

8.4

8.2

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