Best Insulation For Attic Roof

If you put an air permeable insulation material over a hole in your ceiling you may have comfort indoor air quality durability and efficiency problems.

Best insulation for attic roof.

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. Installing attic roof insulation instead of attic floor insulation has several benefits. At the same time the areas below the roof benefit from increased comfort both during the winter and the summer. Modern technology of blanket insulation today is considered the best insulation for attic.

Rolls and batts are produced of mineral wool and fiberglass. It can be installed in one of two places. With a finished attic insulation must help keep the attic areas comfortable. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. How to insulate a finished attic. A layer of rigid insulation board can be added either on top of the roof s weatherproof layer or directly on top of the timber roof surface with a new weatherproof layer on top of the insulation. The higher the r value the better the thermal performance of the insulation.

So it s time to pay close attention to what s happening up there. That means insulating the attic floor only not the walls and having vents in the roof. Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house. Attic insulation plays a critical role any home s overall comfort and energy efficiency.

If you do not use the attic much it is pointless heating this area. This is best done when the roof covering needs replacing anyway. A flat roof should preferably be insulated from above. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.

On the attic floor or beneath the attic roof. 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. R value is a measure of insulation s ability to resist heat traveling through it. Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.

So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. Before you ever get insulation anywhere near the attic though make sure that you get the air leakage sites sealed up. Water is insulation s enemy. Insulating the attic floor.