Cost of Exterior Wall Sealing
Exterior wall sealing is essential for protecting your building from moisture, weather damage, and structural deterioration. The cost varies based on several factors including surface area, wall material, and the complexity of the job. Understanding these factors helps in budgeting effectively for your sealing project.

Larger wall surfaces require more material and labor, increasing overall costs.

Different materials like brick, stucco, or wood influence the sealing method and expenses.

Easily accessible walls reduce labor time and costs, while hard-to-reach areas may increase expenses.
Factor | Description |
---|---|
Surface Area | Cost increases with larger wall sizes due to more materials and labor. |
Type of Surface | Materials like brick or stucco may require specialized sealants and techniques. |
Number of Stories | Higher buildings demand additional equipment and safety measures. |
Existing Damage | Pre-existing cracks or damage may need repair before sealing, adding to the cost. |
Type of Sealant | Premium sealants offer longer-lasting protection but are more expensive. |
The overall cost for exterior wall sealing typically ranges from $1.50 to $3.50 per square foot. Factors such as wall height, surface condition, and the type of sealant used will influence the final price. Professional sealing ensures a durable barrier against moisture and weather elements, extending the lifespan of your walls and reducing future repair costs.
Investing in quality sealing can significantly improve the appearance and integrity of your building. Proper preparation, including cleaning and repairing any existing damage, is crucial for optimal results. While initial costs may seem high, the long-term benefits of preventing water intrusion and structural issues make exterior wall sealing a valuable maintenance step.

Assessing interior surfaces to identify hidden issues that may affect sealing effectiveness.

Applying high-quality sealants with precision to ensure maximum coverage and durability.

Final checks to confirm proper sealing and identify any touch-ups needed.
Service | Average Price |
---|---|
Exterior Wall Cleaning | $0.50 - $1.00 per sq ft |
Crack Repair | $100 - $300 per crack |
Stucco Repair | $4 - $8 per sq ft |
Waterproof Coating | $2 - $4 per sq ft |
Paint Preparation | $1 - $2 per sq ft |
Masonry Sealing | $1.50 - $3 per sq ft |
Facade Restoration | $5 - $15 per sq ft |
Surface Sanding | $0.75 - $1.50 per sq ft |
Protective Coating | $2 - $5 per sq ft |
Gutter and Drainage Check | $150 - $400 |