They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Best lighting attic insulation.
Handy homeowners can install blown in insulation in the attic.
Spray foam attic insulation.
For diy attic insulation you ve got two choices.
And even if you go up into your attic space only infrequently for inspection or repairs it s much easier if you have lighting.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Modern technology of blanket insulation today is considered the best insulation for attic.
Now it will be safe to heap insulation onto that spot.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Spray foam offers the best attic insulation performance available.
So it s time to pay close attention to what s happening up there.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Rolls and batts are produced of mineral wool and fiberglass.
Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.
If your attic is a storage space then you ll need to see what s stored there.
Loose fill or batt the common term for blanket insulation.
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.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Before you ever get insulation anywhere near the attic though make sure that you get the air leakage sites sealed up.
Choose from two types.
Closed cell and open cell aka 2 pound and pound respectively.
Up in the attic clean the ceiling surface around each fixture slit the cover to accommodate the electrical cable and place the cover over the fixture.
The best approach to insulating my attic might very well be the worst approach for insulating the attic of say a contemporary colonial with a second floor ceiling loaded with recessed lighting and an attic full of storage items and mechanical equipment.
Both can be added to uninsulated attics or layered over existing material.