You want a nice big puffy pillow of insulation to stop any air leaks says olson.
Water leak in attic insulation.
Insulation in the attic is often the first victim when roof leaks occur or when plumbing pipes routed through the attic leak.
During hot weather start working early as attics heat up as the day moves on.
At the very least shingles.
Take precautions to avoid a dangerous working environment in the attic.
Cut two layers of r 19 fiberglass batt insulation slightly larger than the hatch and staple duct tape to the hatch edges to secure it in place.
Once you seal the air leak with caulk or expandable foam it s not necessary to replace the insulation.
In cold weather you may see frosty areas in the insulation caused by warm moist air condensing and freezing as it hits the cold attic air.
It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.
Though attics are typically hot and dry a leaky roof or pipe condensation or severe weather can cause water to enter your attic.
In warmer weather you ll find water staining in these same areas.
While in your attic look for areas where the insulation is darkened see photo a result of filtering dusty air from the house.
Rainy weather causes the first type of leak to be discovered.
Unfortunately many homeowners overlook their attic insulation and fail to include it in regular maintenance efforts.
Water leaks occur through roof failure ice dams and water condensation or frost build up inside an attic.
Water is insulation s enemy.
Water in your attic can damage wood beams insulation and even.
Loss of insulating value.
You might also notice some patches of ice or frost.
Cover the attic hatch with a pillow of fiberglass insulation.
The dirt comes from dusty air leaking into your attic.
Also remember to watch your step.
This is a result of moist air leaking into your attic and then freezing when it hits your cold attic.
Drink plenty of water and use an osha approved particulate respirator or double strap dust mask to prevent inhalation of hazardous substances.
You ll also rest assured that you don t have contaminated insulation that can affect the health of your home.
Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.