You ll also see another safety hazard and code violation.
Attic spray foam mold.
Otherwise humidity will quickly creep into your attic.
The insulation was poor and the ventilation was not adequate to remove the moisture.
Consumers are often told by spray foam contractors to do the rafters.
The installer sprayed foam directly on the metal flues.
If you re using the attic for living space then you need to insulate the rafters.
They also need to seal off areas of air leakage to the outdoors.
In a proper spray foam job a contractor doesn t just spray foam all over the top of your attic and go home.
Gable vents and soffits are the big culprits here.
The insulation reduces wildly high temperature spikes and so the attic becomes a conditioned part of the home like any other room.
Spray foam insulation is an insulating air barrier material that works by sealing the walls floors and ceiling cavities from airflow.
The attic was condensing very heavily on the roof osb sheathing.
Sealing the attic is probably the most critical in terms of counteracting moisture.
You have to have the right kind for your home.
This foam can be placed around light fixtures electrical outlets windows and doors attics and crawl spaces.
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.
If you look closely you ll see two exhaust flues on the left side.
As a product spray foam insulation does not attract mold.
While there are many different types of insulation the best fit for florida homes is closed cell spray foam insulation.
The attic you see in the photo here is a different home but it does have one feature in common besides the spray foam.
And unlike wood or metal spray foam does not rot rust or deteriorate.
We can install either blow in or spray foam insulation to seal your home.
We had to do three things.
Spray foam insulation to prevent mold it isn t enough just to have insulation.
If you re not do the attic floor.
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.
It s important you spray foam attic rafters only if you need to.
As a result mold had formed.
An insulation contractor can search your attic for weak points where hot air enters and becomes trapped.
Remove the contaminates and seal the attic with closed cell spray foam insulation and properly ventilate the roof system.