This spray foam is applied as a low or high pressure two component polyurethane spray foam that can be applied onto walls in unvented attics to ducts and ceilings and in vented attics and crawl spaces.
Pressure spray attic.
Oh and when you put it in your attic spray foam insulates the attic itself.
You ll have to monitor the relative humidity rh in the attic for awhile to see if the air is holding moisture.
Water may flow into your attic causing a greater havoc.
Soffit cleaning requires a soft pressure washer and a low pressure nozzle.
Stay away from slippery surfaces.
Mold in the attic or anywhere for that matter can be a health and safety hazard when you spot it you have to act fast.
A high pressure water blasting can be dangerous for your attic.
It is also known to act as an air barrier however unfortunately it will not protect against vapor and moisture intrusions.
We are neither pro spray foam nor anti spray foam.
To be sure a spray foamed attic is typically less dusty an attic with blown in fiberglass or cellulose.
You increase the amount of usable space inside your home.
Be aware of the falling debris when you pressure wash.
However positive pressure can force dusty smelly attic air into your living space through unsealed air gaps.
Well positive pressure could force attic air into your home.
Use a ladder carefully.
You could be thinking of doing it on your own but it is easier said than done.
At pv we recognize that spray foam is an insulation choice that some people make for their homes.
And as we all know attic air isn t exactly um super clean.
Sometimes sealing the top plate in a spray foamed attic can create humidity problems.
The attic isn t getting much ventilation so humidity can accumulate inside.