Causes Of High Humidity In Attic

Water or drip marks scattered on the attic floor.

Causes of high humidity in attic. The cool air isn t capable of holding much moisture and increases the relative humidity. Buckled or damaged roof sheathing. This is one of causes of high humidity in house you should be cleared. The problem is lowering humidity.

Having higher humidity during colder months can cause complications too. Rising damp occurs when moisture from the ground rises through the pores in the bricks and masonry. When the highly humid air from the crawl space or basement spreads through the house it increases the overall indoor humidity. Leaks in the walls and roofs.

The next day warms up and pushes air out of the tank leaving moisture behind. In an attic like this wintertime ceiling condensation can form when cold air from the attic hits your warm ceiling. Low heat load short equipment run time system oversizing. What causes high humidity in a house.

Furthermore although the ideal humidity levels are less than 60 in the summer those numbers drop to 25 and 40 in the winter. Causes of high indoor relative humidity. High external humidity drivers humidity entering the home. In order to avoid attic condensation it is important to make sure that the attic receives proper ventilation and that it is properly protected from the outside elements.

How do you keep it manageable and lessen it when it gets bad. Moist or wet insulation. How can i tell if i have moisture problems. The gas tank cools off sucks in outside air the moisture condenses.

Either way removing humidity from the air in your attic might be the most cost effective way to handle your problem. Final thoughts on condensation on ductwork at the end of the day there are really only two causes for condensation on ductwork. Moisture frost and ice buildup on roofing nails. To find the culprit for these types of issues look around for leaky pipes a cracked roof tile or a loose zinc joint or fitting.

Jason advani has insulated his attic with spray polyurethane foam and while his heating bills have dropped high humidity remains a problem. Rising damp is a rarer but more serious cause of high humidity in a home. The most common cause of ceiling condensation is an attic with too little insulation and ventilation. High humidity in the attic insulating the underside of the roof deck solves one problem and creates another.

The next evening cools. Poor or no spot ventilation in kitchen s and bathrooms or it isn t being run. Improperly insulated ductwork and excessive moisture in the air. In summer when the air conditioning is on the reverse happens.

By scott gibson march 18 2019. Two of the most common causes of attic condensation are high levels of humidity within the living spaces beneath the attic and moisture seeping in through the roof.