Well positive pressure could force attic air into your home.
Pressure spray attic.
Water may flow into your attic causing a greater havoc.
You increase the amount of usable space inside your home.
Be aware of the falling debris when you pressure wash.
A high pressure water blasting can be dangerous for your attic.
However positive pressure can force dusty smelly attic air into your living space through unsealed air gaps.
At pv we recognize that spray foam is an insulation choice that some people make for their homes.
You ll have to monitor the relative humidity rh in the attic for awhile to see if the air is holding moisture.
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.
Use a ladder carefully.
While this pressure can feel overwhelming there are several ways for you to tackle your mold problem the diy way before you have to call in a professional.
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.
To be sure a spray foamed attic is typically less dusty an attic with blown in fiberglass or cellulose.
Many homeowners love spray foam for the reasons stated.
As for whether you should use spray foam we are a neutral party.
Oh and when you put it in your attic spray foam insulates the attic itself.
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.
Soffit cleaning requires a soft pressure washer and a low pressure nozzle.
We are neither pro spray foam nor anti spray foam.