Ocean State Air Solutions, Inc. Portsmouth, RI

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(401) 293-0422
Crawl Shield Systems for Crawl Space Encapsulation

Crawl Shield Systems

Crawl Space Encapsulation, Ground Water Removal & Sump Pump Installation

Before photo of crawlspace needing attention

After installing Crawlspace Encapsulation System


Crawl Shield Vapor Barrier can help protect your home from:
• Crawl Space Mold
• Bugs & Rodents
• Structural Damage
• Crawl Space Odor
• Loss of Storage Space
• Rising Energy Costs

     The problem with a dirt or vented concrete crawlspace is that as warm air rises in your home, it brings up with it the air that was previously in your crawl space, including moisture and mold spores, as well as anything else that may be airborne down there.

     As this air rises in your home, replacement air enters from the lowest part, your crawlspace. This replacement air is made up with unconditioned outside air that enters through vents and other leaks, and air that is actually sucked from the crawlspace floor, either dirt or concrete, which is typically filled with lots of moisture. This natural upward air movement is called the "stack effect" -- this is how chimneys work. Consequently, whatever is in the air at the lowest point eventually flows up into the living sections. Up to 40% of the air we breathe on the first floor of our home comes from the crawl space.

      A concrete or dirt crawl space with a crawl space vent is a never-ending source of moisture. Even if the dirt's surface seems dry, digging down a few inches reveals moist earth.

      Three things destroy organic materials in general, and wood in particular: water, heat, and ultra-violet radiation. Of these, water is by far the most damaging... and the one we can control.

      Properly sealing the crawlspace and removing the moisture from the ground and air is part of the solution that helps provide a mold-free, radon-free, and insect-free environment, which leads to a more more energy-efficient and healthier home.

Before photo of crawlspace needing attention

Before Ceiling Clean, Fiberlock 6100 Applied and Sill Insulated

After Ceiling Clean,  Fiberlock 6100 Applied and Sill Insulated

After Ceiling Clean, Fiberlock 6100 Applied and Sill Insulated

Testimonial -
Jamestown Historical Society Museum Humidity Improvement

    "We are very pleased to find that humidity levels in the JHS Museum have been reduced significantly after Ocean State Air's installation of the vapor barrier and dehumidifier in the crawl space. Attached is Joe's comparison of humidity readings in 2013 and 2014. We're gratified that the project has proved to be so successful. Thank you very much your guidance and help in addressing the humidity and odor issues in the Museum."

Ocean State Air Solutions

1844 East Main Road
Portsmouth, RI 02871

(401) 293-0422

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