Basement Moisture Management | Poly Ground Cover

Basement Moisture Management | Poly Ground Cover

We hear it all the time, “my basement is wet/damp/musty in the spring and summer – but that’s alright, it’s supposed to be like that. We just run the dehumidifier for 6 months straight and empty it once or twice a day.” When a basement/crawlspace has high moisture, so does the rest of the house. The natural path for air to move throughout a home is up, which means that too is the natural path for moisture. This can lead to condensation on windows, mold/milder on surfaces, mold/mildew in the attic, and overall sub par indoor air quality.

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Foundation Wall Insulation | Closed Cell Spray Foam |Rook Energy Solutions

Foundation Wall Insulation | Closed Cell Spray Foam |Rook Energy Solutions

Closed cell spray foam insulation is the best option for non flat foundation wall surfaces. If your foundation is brick, stone, granite, or a combination of materials, closed cell is the material of choice. This article describes how far down you ideally want to insulate and at what depths. 

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Foundation Wall Insulation | Rigid Board Insulation | Rook Energy Solutions

Foundation Wall Insulation | Rigid Board Insulation | Rook Energy Solutions

8-12″ of concrete, brick, stone, and masonry carries the thermal resistance equivalent to R1 (R Value), or a single pane of glass. So yes, structurally your foundation wall is great, but it provides little to no thermal resistance. Depending on the size of your home, the amount of exposed foundation (above grade) you have, and the amount of heat production you have in the basement, you can save upwards of 5-10% or more on your energy bills; keeping your basement cooler in the summer and warmer in the winter. 

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Unfinished Basements - How to Insulate

Unfinished Basements - How to Insulate

If you are interested in SAVING MONEY ON ENERGY BILLS, CONSERVING FUEL, and INCREASING THE COMFORT in you property – foundation walls are an important place to start. Most New England homes were not (and many still aren't) built with a thermal or vapor barrier on the exterior of the foundation walls. Not having this barrier allows moisture to enter your basement as well as heat to exit your foundation walls through the concrete. Concrete wicks moisture and has an R-Value of approximately R1 per 8" (stone, brick & masonry fall into this category), so it offers great strength for building but lacks energy efficient characteristics.

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