Skip to content
Need a Renovation Cost Estimate?

How Much Does It Cost to Coat or Seal a Roof?

Get your renovation costs using Renotag's renovation cost calculator:

Key Takeaways

Cost Per Square Foot$1 – $4
Average Total Cost$500 – $2,000
National Average Cost$1,250
Cost Range$500 – $2,000
MaterialsSilicone, Polyurethane, Acrylic, Liquid Rubber

$1 – $4 Cost Per Square Foot

The cost to coat or seal a roof typically ranges from $1 to $4 per square foot. These rates include labor and materials, but the exact price may vary based on several factors, such as roof size, material type, and preparation required.

$500 – $2,000 Average Total Cost

On average, homeowners spend between $500 and $2,000 for complete roof coating or sealing projects. This average total cost takes into account various types of roofs and sealants as well as labor expenses.

Roof Coating Prices

National Average Cost$1,250
Minimum Cost$250
Maximum Cost$5,500
Average Cost Range$500 – $2,000

Roof Coating Cost by Sealant Type

Different sealant types have varying material costs and total cost installed. Here is a breakdown:

Sealant TypeMaterial Cost (SF)Total Cost Installed (SF)
Silicone$0.50 – $1.40$1.50 – $4.50
Polyurethane$0.45 – $1.30$1.50 – $4.00
Acrylic/Elastomeric$0.15 – $0.80$0.50 – $3.00
Liquid Rubber$0.80 – $1.20$1.50 – $2.50
EPDM Sheets$1.80 – $5.00$3.00 – $11.00
Bitumen$0.85 – $1.50$1.00 – $2.50

Silicone Roof Coating Prices

Silicone is known for its flexibility and durability, making it a popular choice for many types of roofs. Its cost ranges from $1.50 to $4.50 per square foot installed.

Polyurethane (Polyurea) Roof Coating Cost

Polyurethane offers excellent resistance to weather and wear. The total cost installed generally ranges from $1.50 to $4.00 per square foot.

Acrylic Roof Coating Cost

Acrylic or elastomeric coatings are often chosen for their affordability and reflective properties. The cost installed ranges from $0.50 to $3.00 per square foot.

Liquid-Rubber Roof Coating Cost

Liquid rubber is another durable option, suitable for different roof types. The total cost installed usually ranges from $1.50 to $2.50 per square foot.

EPDM Sheet Roof Coating Cost

EPDM sheets are often used in flat roof systems and can cost between $3.00 and $11.00 per square foot installed.

Bitumen Roof Coating Cost

Bitumen, a traditional material, costs between $1.00 and $2.50 per square foot installed.

Sealing Costs by Roof Material and Type

Roof Material TypeCost per Square Foot Installed
Metal and Aluminum Roofs$0.50 – $4.00
Asphalt Shingle Roof (Patching)$1.00 – $2.50
Polyurethane Foam (SPF) Roof System$2.00 – $6.00
Flat Roof$1.00 – $4.00
Mobile Home Roof$0.50 – $4.50

Metal and Aluminum Coating Costs

For metal and aluminum roofs, the coating costs range from $0.50 to $4.00 per square foot installed.

Sealing Asphalt Shingles

Sealing asphalt shingles, often required for patching, costs between $1.00 and $2.50 per square foot.

Polyurethane Foam Roof Coating (SPF) Cost

Polyurethane foam roof systems (SPF) require specific types of coatings which can cost between $2.00 and $6.00 per square foot installed.

Cost to Seal a Flat Roof

Sealing a flat roof incurs the following costs based on roof size:

Roof Size (Square Foot)Average Cost Installed
100$100 – $400
250$250 – $1,000
500$500 – $2,000
1,000$1,000 – $4,000

Mobile Home Roof Coating Cost

Coating a mobile home roof ranges from $0.50 to $4.50 per square foot installed.

Coating Other Roof Types

Different roof types require specific coatings that might have varied costs. It is essential to consult with professionals for accurate estimates.

Roof Coating Prices by Brand

Brands offer diverse roofing materials at different price points. Here’s an overview:

BrandMaterial Cost per Square FootTypes Available
GacoRoof$0.60 – $1.40
  • 100% Silicone
  • Silicone-elastomeric blends
  • Reflective white colors
  • Brown, green, black, blue, red, & grey shades

| **Henry** | $0.15 – $0.40 |

  • Silicone
  • Acrylic-elastomeric
  • Aluminum
  • Black asphalt
  • Reflective white colors

| **Black Jack** | $0.20 – $1.00 |

  • Silicone
  • Elastomeric
  • Aluminum
  • Fibered liquid asphalt
  • Rubberized liquid asphalt
  • Reflective white colors

| **Liquid Rubber** | $1.20 – $2.50 |

  • EPDM rubber primer
  • Rubber polyurethane
  • More than 15+ color choices
  • Ideal for RV roofs

| **Lanco** | $0.50 – $1.50 |

  • Acrylic elastomeric
  • Liquid rubber
  • Silicone-elastomeric blends
  • Elastomeric-urethane
  • Reflective white colors

| **Ames** | $0.30 – $1.50 |

  • Rubber
  • Acrylic
  • Elastomeric
  • Reflective white colors

| **Uniflex** | $0.50 – $1.00 |

  • Acrylic polymer
  • Rubberized silicone
  • Elastomeric
  • Acrylic

| **HydroStop** | $2.20 – $2.75 |

  • Acrylic
  • Requires 2 coats
  • More than 10 color choices


Roof Sealing Cost Factors

FactorCost per Square Foot
Materials$0.15 – $2.75
Labor$0.50 – $3.00
Total Cost to Install$0.65 – $5.75

Labor Costs for Roof Sealant Application

Labor costs vary based on the complexity and size of the project but typically range from $0.50 to $3.00 per square foot.

Cool Roof Coating for Reflecting Heat Cost

Cool roof coatings, designed to reflect more sunlight and absorb less heat, come at an additional cost but offer long-term energy savings.

Roof Cleaning, Repairs, and Prep Work Before Sealing

Preparation work may include cleaning and repairing the roof surface, which can add to the overall project cost.

DIY Roof Coating and Sealing Cost

If you prefer a do-it-yourself approach, here are the volume estimates for materials needed based on roof size:

Roof Size (Square Feet)Gallons Needed (1 Layer)Gallons Needed (2 Layers)
5005 – 1010 – 20
1,00010 – 2020 – 40
2,00020 – 4040 – 80

What is Roof Coating and Sealing?

Roof coating and sealing involve applying a protective layer to the roof surface to enhance its longevity, reflectivity, and resistance to weather elements.

Reasons to Coat a Roof

Coating a roof can extend its lifespan, improve energy efficiency, and prevent leaks and other damages.

How Often Should You Coat a Flat Roof?

Flat roofs should be coated every 3-5 years to maintain their protective qualities. However, the frequency might vary based on the type of coating used and environmental conditions.

Does a Rubber Roof Need a Coating?

Yes, rubber roofs can benefit from a coating to provide additional protection against UV rays and weather elements, extending their service life.

Finding and Hiring a Roof Coating Contractor

To ensure the best results, it’s crucial to hire a professional contractor with experience in roof coating and sealing.

Questions to Ask

When selecting a contractor, ask about their experience, warranty, materials used, and detailed cost estimates to make an informed decision.

Renotag's renovation cost calculator being used by a person to price their home renovation costs.
social proofs renotag
5K+ homeowners trust Renotag

Your renovation cost is waiting

The world's first renovation cost calculator.

Table of Contents

Calculate your reno price

Add your project details, choose your finishes, and get a price for your project – no contractor needed until construction time.