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Crawl Space Encapsulation Daly City

Crawl spaces are often left ignored, as many homeowners do not realize the importance of crawl space maintenance. This neglect often leads to crawl space water damage, including mold, dry rot, and increased energy bills due to high humidity. Crawl Space Encapsulation Daly City and vapor barrier installation are services we offer to help homeowners maintain the health of their crawl space. It provides a permanent solution involving as little maintenance and upkeep as possible through the use of things like dehumidifiers and expertly installed vapor barriers


Encapsulation is the process of completely waterproofing your crawl space. It involves the use of several different waterproofing and moisture control solutions, including insulation, vapor barrier installation, and either an HVAC duct boot or a dehumidifier. These systems work together to completely seal out water and moisture, preventing crawl space flooding and high crawl space humidity. Both flooding and humidity can cause numerous problems for the safety and structural integrity of your home.


A vapor barrier, also called a moisture barrier, is any material that is used to waterproof or damp-proof a building. Most often it is a plastic sheet used to resist water infiltration through walls, floors, ceilings, and roofs. We use the highest quality vapor barriers available on the market. 


Daly City  crawl space encapsulation is one of the best ways to maintain a healthy crawl space with very low maintenance for you as a homeowner. Once your crawl space is encapsulated, you no longer have to worry about potential water or structural damage to your home. Our moisture barriers, dehumidifiers, insulation, and other encapsulation methods guarantee that your crawl space stays dry.


To properly encapsulate a crawl space, there are necessary steps that must be taken. Our installation experts have perfected this process over the last 25 years to provide the best possible results.

We start by removing the existing floor insulation that is under the subflooring inside the crawl space.

We remove any existing building materials, trash, and old plastic before leveling the crawl space floor.

We eliminate any mold and termite nests with our mold abatement and pesticide spray.

We insulate the crawl space walls, vents, & rim joists with Greenguard R10 2” foam board around the perimeter. We also seal any foreseen voids with foam spray, sealing your crawl space tight.

After the crawl space area is insulated, we wrap the crawl space floor, piers, & walls with a 16mil vapor barrier. We use the strongest vapor barrier on the market. Standard building code calls for 6mil and we use 16mil to ensure your crawl space is equipped with a moisture barrier that will last.

Depending on your home’s ventilation, we either supply positive air supply with a 4” x10” duct boot off your HVAC system or install an Aprilaire dehumidifier system with condensation pump. We can even install a digital control for the Aprilaire unit so you can adjust the unit anytime you would like.

The last step is for you to sit back and relax, Crawl Space Encapsulation Daly City, has encapsulated your crawl space to ensure it’s clean. No more wood rot, mold growth, or pests living under your home.

At Crawl Space Encapsulation Daly City, we use ultra-liner products made in the USA combined with superior Aprilaire dehumidifiers. Our team works quickly so your crawl space is encapsulated in as little as 3-5 days.

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