What is Crawl Space Winterization?
Crawl space winterization is the process of air sealing and insulating your crawl space to reduce cold outside air and help create a more controlled environment beneath your home. Depending on the space, that can include crawl space air sealing, insulation and sealing vents and other openings.
Blackburn Foundation Repair inspects your crawl space and recommends the improvements that fit your home. Sometimes, crawl space encapsulation can also help create a cleaner, drier, more conditioned crawl space.
Symptoms
Warning Signs Your Crawl Space Needs to Be Winterized
Cold floors over the crawl space, obvious drafts, high heating bills, cold ductwork and pipes that freeze or burst can all signal a crawl space that isn’t well sealed or insulated.
Thanks to the stack effect, air from the crawl space can travel upward into your living space. Winterizing your crawl space can take on the air leaks and insulation gaps that lead to cold floors, drafts and other winter comfort problems.
Our Crawl Space Winterization Solutions
Block Cold Outside Air
Sealed and Insulated Crawl Space Vents
Open crawl space vents let cold winter air move beneath your home, leaving floors colder and exposing pipes and ductwork to lower temperatures. Sealing off those openings with airtight, insulated crawl space vent covers helps block outside air and creates a more controlled environment below your home as part of a complete crawl space winterization system.
Add Insulation Where Your Crawl Space Loses Heat
Rigid Foam Crawl Space Wall Insulation
In many crawl spaces, rigid foam crawl space insulation can go along the foundation walls to build a continuous thermal barrier around the crawl space. When paired with air sealing, wall insulation helps cut heat loss through the foundation and keeps the crawl space better separated from cold outdoor temperatures.
Shut Down Drafts at a Common Air-Leak Area
Rim Joist Air Sealing and Insulation
The rim joist sits where your floor framing meets the foundation and can be a significant source of air leakage. Sealing and insulating this area helps close off gaps where cold outside air can enter the crawl space. That added protection can cut down on drafts and help keep the floor system above the crawl space more comfortable.
Manage Ground Moisture Below Your Home
Crawl Space Vapor Barrier
Winterizing a crawl space isn’t only about keeping cold air out. Moisture from exposed soil can drive up humidity beneath your home and damage insulation, wood and other materials. A durable crawl space vapor barrier covers the ground to help isolate your crawl space from soil moisture and help maintain a cleaner, drier environment year-round.
Create Better Conditions Around Pipes and Ducts
Pipe and Ductwork Protection
Pipes and HVAC ducts running through a cold, damp crawl space are exposed to the conditions around them. A complete winterization system helps create a more controlled environment by blocking outside air, adding insulation where needed and managing moisture. A crawl space dehumidifier may also be recommended to help manage excess humidity year-round.
How It Works
How Blackburn Foundation Repair Winterizes Your Crawl Space
Winterizing Your Crawl Space Pays Off Year-Round
Crawl space winterization does more than keep cold air out during winter. Sealing air leaks, insulating the crawl space walls and controlling ground moisture can help maintain a more stable crawl space environment throughout the year.
The result is fewer winter drafts and cold floors, while also helping limit the warm, humid outside air that can enter the crawl space in summer.
What To Expect
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