Key Takeaways
| Aspect | Details |
|---|---|
| Cost Per Square Foot | $1 – $4 |
| Average Total Cost | $500 – $2,000 |
| National Average Cost | $1,250 |
| Cost Range | $500 – $2,000 |
| Materials | Silicone, 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
| Price | |
|---|---|
| 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 Type | Material 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 Type | Cost 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:
| Brand | Material Cost per Square Foot | Types 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
| Factor | Cost 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) |
|---|---|---|
| 500 | 5 – 10 | 10 – 20 |
| 1,000 | 10 – 20 | 20 – 40 |
| 2,000 | 20 – 40 | 40 – 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.
