Attic Spray Foam Mold

You ll also see another safety hazard and code violation.

Attic spray foam mold.

If you look closely you ll see two exhaust flues on the left side. Remove the contaminates and seal the attic with closed cell spray foam insulation and properly ventilate the roof system. And unlike wood or metal spray foam does not rot rust or deteriorate. Sealing the attic is probably the most critical in terms of counteracting moisture.

If you re using the attic for living space then you need to insulate the rafters. These insulation materials are not only used to insulate home to bar air from coming in and out but to also protect the space from elements such as mold rodents moisture and dust. The attic was condensing very heavily on the roof osb sheathing. Spray foam insulation to prevent mold it isn t enough just to have insulation.

You have to have the right kind for your home. You should never do this. The insulation was poor and the ventilation was not adequate to remove the moisture. The insulation reduces wildly high temperature spikes and so the attic becomes a conditioned part of the home like any other room.

As a result mold had formed. While there are many different types of insulation the best fit for florida homes is closed cell spray foam insulation. Southern attic systems llc is an insulation company based in bossier city louisiana. We had to do three things.

It s important you spray foam attic rafters only if you need to. If you re not do the attic floor. This foam can be placed around light fixtures electrical outlets windows and doors attics and crawl spaces. Consumers are often told by spray foam contractors to do the rafters.

Spray foam insulation is an insulating air barrier material that works by sealing the walls floors and ceiling cavities from airflow. In a proper spray foam job a contractor doesn t just spray foam all over the top of your attic and go home. As we have discussed previously spray foam insulation can effectively seal roofs and other spaces where condensation is more likely such as an attic. The installer sprayed foam directly on the metal flues.

An insulation contractor can search your attic for weak points where hot air enters and becomes trapped. They also need to seal off areas of air leakage to the outdoors. Otherwise humidity will quickly creep into your attic. The attic you see in the photo here is a different home but it does have one feature in common besides the spray foam.

When spray foam is installed on the underside of the roof deck the attic space is insulated from heat that otherwise would be entering the attic.