G. when it is actually raining – which implies that they really carry damp air to the sub floor location. Due to Typically lower temperature beneath the residence, this causes condensation and high humidity concentrations which in excess of a period may lead to destruction of your respective subfloor space http://knoxtkufo.full-design.com/The-2-Minute-Rule-for-Underfloor-Ventilation-Systems-22970015