Too Much Humidity In Attic

When the air is warm it holds a lot of moisture so the relative humidity was low and there was no moisture problem.

Too much humidity in attic.

Quelch the heat wave. If left untreated it can damage critical structural elements of the home such as the trusses and rafters ruin insulation damage any stored belongings and lead to the formation of potentially toxic black mold. At 48 52 you re at the upper tier of the recommended 35 50 during heating season. Check for negative pressure.

Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. Make sure your attic is properly sealed. All it takes to grow mold in your attic is stagnant humid air. Seal around the chimney and all penetrations including the access door.

If mechanical systems in your home create a negative pressure environment you could. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Condensation in the attic is a serious problem that must be addressed by homeowners. What happens is people put too many products on their roof.

If you raise the attic temperature the rh in both places would be the same. By adding moisture to the lower floor you increase the partial pressure of the water vapor which pushes it to areas of lower vapor pressure like the attic. In theory if you install a small exhaust fan in the gable wall of an unvented attic along with a passive duct or grille that allows conditioned air from the floor below to enter the attic as makeup air the humid air in the attic will be exhausted and will be replaced with less humid air from the home. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent.

Ideal attic temperature and humidity settings cold outdoor temperatures affect attics. Do not use mechanical means electric attic fans. The solution is to air seal between the attic and the heated space below. Cold outdoor temperatures especially below freezing can wear on your furnace.

If you stop the air leaks you will solve the problem and save lots of energy. How to manage humidity in your spray foamed attic 1. As with pretty much all home improvement projects your contractor might. Roof ventilation keeps the air moving and stops mold from growing but too much ventilation can be just as bad as having none.

It could be that despite having done what. What stands out is the high relative humidity inside the house. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in. And when you put too many products on your roof that s improper ventilation.