Estimating the Investment Needed for Crawlspace Sealings
Larger crawlspaces require more materials and labor, increasing overall costs.
Different sealants, such as spray foam or vapor barriers, vary in price and durability.
Pre-existing damage or uneven surfaces can affect the complexity and cost of sealing.
| Factor | Average Cost |
|---|---|
| Basic vapor barrier installation | $1,500 - $3,000 |
| Spray foam sealing | $2,000 - $5,000 |
| Encapsulation with insulation | $3,000 - $7,000 |
| Foundation repair before sealing | $1,000 - $4,000 |
| Additional moisture control systems | $1,200 - $3,500 |
| Access opening modifications | $500 - $1,500 |
| Dehumidifier installation | $1,000 - $2,500 |
| Inspection and assessment | $200 - $500 |
Additional factors influencing cost include the inclusion of insulation, moisture control systems, and the extent of existing damage. Professional assessment can help determine the most effective approach and provide a detailed estimate tailored to specific needs.
Sealing inside the crawlspace involves insulating and applying vapor barriers, which can vary in cost based on size.
Polyethylene sheets are common and cost-effective, while specialized materials may increase expenses.
Modifying or creating access points for sealing can add to labor costs depending on complexity.
| Service | Average Price |
|---|---|
| Vapor barrier installation | $1,200 - $2,500 |
| Spray foam insulation | $2,500 - $6,000 |
| Crawlspace encapsulation | $4,000 - $8,000 |
| Foundation repair | $1,000 - $5,000 |
| Dehumidifier setup | $1,200 - $2,800 |
| Access modification | $600 - $1,800 |
| Moisture barrier repair | $800 - $2,000 |
| Air sealing and insulation | $1,500 - $4,000 |
| Moisture control systems | $1,500 - $3,500 |
| Inspection and consultation | $250 - $600 |