What Type Of Insulation For Attic Ceiling
The higher the r value the better the thermal performance of the insulation.
What type of insulation for attic ceiling. There are several types of attic ceiling insulation to consider when beginning the remodeling project. In particularly cold climates you might go up to r 60. Slide a yardstick or tape measure into the existing insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Both can be added to uninsulated attics or layered over existing material. For diy attic insulation you ve got two choices. 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. Batt insulation is a type of insulation blanket.
Each type of insulation has cost and durability considerations that should be weighed against the. R value is a measure of insulation s ability to resist heat traveling through it. Your home s r value score will guide you toward the type of insulation you need. The third major type of insulation is spray foam.
The table below shows what levels of insulation are cost effective for different climates and locations in the home. Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists. Modern technology of blanket insulation today is considered the best insulation for attic. Check rim joists and unfinished basement walls and compare depth with an r value map and chart for your area.
If it isn t at least 19 inches deep add more. In general an attic s r value should be between r 30 and r 49. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Insulation level are specified by r value.
Rolls and batts are produced of mineral wool and fiberglass. You also don t see any gaps that allow you to see all the way down to the ceiling drywall. These are pre cut sections of insulation that are usually fiberglass although cellulose mineral wool natural fibers and plastic versions are also available. Best for unfinished walls floors and ceilings.
Insulation is an important part of any attic renovation. Notice how you don t see any of the ceiling framing down at the ceiling level. These range from standard fiberglass and styrofoam insulation to more environmentally friendly solutions like recycled paper cellulose.