Roof Ventilation - What is a Balanced System?

{"version":"0.3.0","atoms":[],"cards":[],"markups":[],"sections":[[1,"p",[[0,[],0,"Most North American houses and small buildings are constructed with an insulated space (an attic) between the home\u2019s ceiling and the roof deck. Where such a space exists above an occupied interior, it must be properly ventilated. Adequate ventilation can reduce harmful condensation, the formation of ice dams during the heating season, and excessive attic heat build-up during the summer months. This course reviews all aspects and benefits of attic\/roof ventilation."]]]]}