Both can be added to uninsulated attics or layered over existing material.
Attic insulation spacer.
With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door.
Rolls and batts are produced of mineral wool and fiberglass.
Loose fill or batt the common term for blanket insulation.
Modern technology of blanket insulation today is considered the best insulation for attic.
For diy attic insulation you ve got two choices.
An air space between the insulation and the bottom of the roof sheathing is desirable.
Owens corning raft r mate attic rafter vents.
Air sealing your attic and ducts installing blown cellulose insulation and insulating ductwork will eliminate these problems.
Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.
Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.
Level uneven spots with a rake.
Find a pre screened local home insulation contractor.
In the winter humidity from the house s interior will get past the insulation and come in contact with the cold roof sheathing where it will condense into water.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.