Moisture and Poor Ventilation Exercise #2 Health Opportunities During Energy Audit and Upgrades
Disconnected downspout and gutter as the problem contributing to interior water issues and wet/moldy dry wall. Do not insulate until drywall is removed and moisture issues/damage addressed AND the source of the moisture problem is fixed. Reconnect the gutter and downspout. Do not make it worse by insulating a wet surface.
Opportunity for health improvement is insulating exterior wall
Do no harm, don’t do more air sealing and keeping in moisture until you dehumidify or add insulation to take care of the cold spot.
Opportunity is air sealing here
Bath fan installation is the opportunity
Vent dryer to outside; don’t replace atmospherically vented heating cooling with sealed combustion until you vent outside
Vent bath fan to exterior before add any insulation or air sealing
Stop bulk moisture before insulating exterior wall or air sealing in home.
Health Opportunity: seal attic ducts; seal register duct, clean grille
Dehumidifier in basement is a sign of ongoing moisture. It is a clue Dehumidifier in basement is a sign of ongoing moisture. It is a clue. Ask how often it runs and collects water.
Roof leak. Address prior to insulating and air sealing.