Either works but rolls are recommended to quickly cover the area in your attic which is important when just beginning to learn how to insulate your attic because it s easier and more accessible for beginners.
Attic insulation rolls.
Johns manville r 13 40 sq ft single faced fiberglass roll insulation with sound barrier 15 in w x 32 ft l item 31116.
Get the scoop here attic insulation batts vs rolls.
Most of insulation comes in rolls or precut fiberglass batts.
For pricing and availability.
For pricing and availability.
Rolled insulation may take less time to.
For kilns ovens stoves and more.
Some think the purpose of insulation is to keep cold out.
Both batts and rolls have their advantages.
As mentioned before blanket.
In fact it s to keep heat in.
Heat resistance or r value.
Attic roll insulation.
Unitherm r 5 unfaced ceramic fiber insulation blanket roll 2 in.
Owens corning ecotouch r 15 30 sq ft single faced fiberglass roll insulation 15 in w x 24 ft l item 821444.