Crawl Space Encapsulation in Toronto, GTA and Southern Ontario
Crawl space encapsulation is a full moisture-control system that seals your crawl space from the ground up—reducing humidity, musty odours, mold risk, and pest entry points. If your crawl space is damp, smells stale, or shows condensation and wood deterioration, encapsulation can help protect your home’s structure and indoor air quality.
What it is: A sealed crawl space system using a heavy-duty vapour liner plus air sealing and moisture control.
What it solves: Moisture, musty smells, mold conditions, condensation, and pest activity.
What’s included: Liner installation + sealed seams, sealing vents/gaps, and adding drainage / a sump / dehumidifier when needed.
Book a crawl space inspection with Dryshield and we’ll recommend the right fix based on what’s actually happening under your home.
DryShield Water Solutions – trusted for over 25 years across Canada.
DryShield Water Solutions Corp is one of the largest waterproofing companies in Canada. Clients across the country trust us for our specialized crawl space encapsulation in Toronto and many other waterproofing services. With over 25 years of industrial expertise we can precisely customize our solutions to your needs.
What’s Included in Crawl Space Encapsulation
Encapsulation isn’t just laying plastic on the ground. A proper system focuses on sealing, controlling moisture, and keeping humidity stable.
Most encapsulation projects include:
- Heavy-duty crawl space vapour barrier / liner on the floor (and walls when appropriate)
- Sealed seams and penetrations (posts, pipes, corners, transitions)
- Air sealing at vents, gaps, and common leakage points
- Improved access sealing at the crawl space hatch/door
- Moisture-control upgrades as needed, such as:
- Crawl space dehumidifier
- Sump pump and drainage solutions
- Interior drainage where water intrusion is present
- Insulation improvements (depending on the structure and building design)
Benefits of Crawl Space Encapsulation
A properly encapsulated crawl space can help:
- Reduce musty odours and damp conditions
- Lower the risk of mold and mildew growth
- Protect wood framing from long-term moisture exposure
- Reduce condensation on pipes and fixtures
- Discourage insects and rodents by sealing entry points
- Improve comfort and energy performance in some homes (especially when drafts and humidity are reduced)
Crawl Space Encapsulation Cost (What Impacts Price)
The cost of crawl space encapsulation depends on what’s happening underneath your home and what’s required to control moisture long-term.
Key pricing factors include:
- Crawl space size and height/access difficulty
- Amount of ground moisture and whether water intrusion is present
- Whether you need drainage or a sump pump
- Whether a dehumidifier is recommended
- Condition of materials (e.g., rotted wood, damaged insulation, heavy debris)
- Complexity of sealing around posts, pipes, and tight sections
Crawl Space Encapsulation FAQs
Is crawl space encapsulation worth it?
If your crawl space is damp, musty, or showing condensation and wood deterioration, encapsulation can be a strong long-term upgrade because it targets the source of moisture and air leakage.
Is a vapour barrier the same as encapsulation?
A vapour barrier is one part of the solution. Encapsulation typically includes sealing seams and edges, air sealing gaps/vents, and adding humidity control when needed.
Will encapsulation stop mold?
Encapsulation helps remove the conditions mold needs (moisture and humidity). If mold is already present, it may need to be addressed before or during the project depending on severity.
Do I need a dehumidifier after encapsulation?
Some crawl spaces do—especially if humidity remains high after sealing or if the home has seasonal moisture. We recommend it only when it supports stable results.
Can you encapsulate a crawl space with standing water?
If water is actively entering or pooling, we typically address drainage and/or sump pump needs first. Encapsulation works best when bulk water is controlled.
How long does crawl space encapsulation take?
Many projects take 1–3 days, depending on size, access, and whether drainage or equipment installs are required.
Will it help with cold floors and drafts?
Often, yes—especially when outside air entry points are sealed and humidity is controlled. The best approach depends on how your crawl space and insulation are currently set up.
Do you seal crawl space vents?
In many encapsulation systems, vents and gaps are sealed as part of controlling humid outdoor air—but the final approach depends on your home’s design and moisture source.
Call the crawl space experts at 1-800-277-5411 today.
Our qualified technicians can inspect your property thoroughly and offer you a thorough estimation of costs. We understand your needs and can get the job done as quickly as possible.
You can also refer to our online estimate tool for a quick FREE Quote.
