Listed below are the Pros & Cons for Crawl Space Encapsulation Portola Valley. We also explain the main differences between crawl space encapsulation vs vapor barrier. If you are experiencing smelly or wet basements and crawl spaces, reach out to one of our experts. We also specialize in mold removal for crawl spaces. Even after reading through the pros and cons of crawl space encapsulation, regardless your home may be severely suffering from moisture and possibly mold and need the job done anyways.
Crawl space encapsulation will limit the amount of air movement throughout the home. This increases the efficiency of your home but at the same time might not allow enough oxygen for an older combustion-based furnace or heater to run normally. Of course, this means you may need to upgrade your HVAC system to ensure the temperature levels in your home stay comfortable and consistent.
Crawl Space Encapsulation Vs Vapor Barrier
The difference between a vapor barrier and encapsulation in a crawl space comes down to thickness and a sealed interior.
The purpose of a vapor barrier is to reduce ground water from evaporating in your crawl space. To counteract that a thin sheet usually 4 to 6 millimeters thick covers the floor. The vapor barrier is not a sealed system and typically stops just short of the interior walls.
Because of this some water can still bypass the vapor barrier and enter the crawl space. A more comprehensive and expensive approach would be to get your crawl space encapsulated to better guarantee no more moisture.
Once the crawl space has been prepped and all the water removed, a thicker plastic lining is installed and all vents, holes and cracks where air can enter is completely sealed. This thicker plastic is usually 12 to 20 millimeters thick. It also has a polyester-cored reinforcement which is more durable than the vapor barrier. Most importantly though all the seams are sealed and the liner is fasted to the floor and all the way up the walls and columns. This completes the encapsulation.
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