Before & After Photos

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Crawl Space Moisture Control in Midlothian, VA

Moisture infiltration in this Midlothian, VA crawl space has resulted in damaged and fallen insulation and microbial growth. In the living space, the homeowner is experiencing cold floors and drafts in the winter and humidity in the warmer months. 

All of the debris and old, damaged material is cleaned out of the space. The vents, and any penetrations through the foundation wall to the outside are sealed. Then a CleanSpace vapor barrier is installed. The vapor barrier is overlapped and sealed at all seams, attached to the foundation wall, and wrapped and sealed around all piers. Next, our spray foam technicians will apply closed-cell spray foam insulation to the foundation walls, insulate the rim band, and install a dehumidifier to control the relative humidity. 

Crawl Space Vapor Barrier in Midlothian, VA

We replaced the 6-mil vapor barrier in this crawl space with a 20-mil CleanSpace vapor barrier. CleanSpace is overlapped and sealed at all seams, wrapped and sealed around all piers, and attached to the foundation walls about 6 inches above outside grade. 

Sealing the crawl space off from the earth's moisture helps to prevent water vapor from the earth from rising into the space and increasing the relative humidity. 

Installing CleanSpace in a Weems, VA Crawl Space

6-mil vapor barriers are most commonly installed when a home is built, they are lightweight, similar to a standard trash bag, they tear easily, and are simply laid out on the ground. As soon as someone or something moves through the crawl space, the liner is displaced, torn, and bunched up, offering very little protection to the home from the earth's moisture. 

 

Our homeowner opted to replace this 6mil with a CleanSpace 20-mil vapor barrier. This liner is similar to a pool liner, it's durable enough for service persons to crawl and work under the home, is overlapped and sealed at all seams, wrapped and sealed around all piers, and attached and sealed to the foundation walls about 6 inches above outside grade. It completely seals the crawl space from the earth's moisture, achieving the job vapor barriers are intended to do. 

Insulating a Weems, VA Crawl Space with Foam Board

Moving the crawl space insulation from between the floor joists to the foundation walls extends the thermal boundary of the home to the floor of the crawl space. Along with insulating the rim and band, this helps to reduce drafts and cold floors. 

 

Foam Board is installed by mechanically attaching it to the foundation walls leaving a viewing strip at the top of the foundation wall per building code for termite inspections. All seams of the foam board are sealed to create an air barrier. 

Blown-In Insulation in Moseley, VA

This homeowner contacted us because their "current insulation [was] over-compressed and not doing its job." This is very common in older homes, insulation settles over time and doesn't help keep your home cool in the summer and warm in the winter. We removed the old ineffective insulation, air sealed the attic, and installed a fresh blanket of blown-in cellulose to help make this home more comfortable year-round. 

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