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The home Stack Theory states that 50% of the air you breath comes from the floor below. What if you are on the first floor or have a one story home? You guessed it. The air comes from your basement or crawlspace into your home.
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© 2019 TerraFirma Foundation Systems761 NE Garden Valley Blvd.Roseburg, OR 97470TerraFirma Foundation Systems10111 S Tacoma Way Suite D5Tacoma, WA 98499TerraFirma Foundation Systems13110 SW Wall StPortland, OR 97223
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