Rigid foam insulation.
Best rigid insulation for attic.
Rolls and batts are produced of mineral wool and fiberglass.
Both can be added to uninsulated attics or layered over existing material.
The most common materials include expanded polystyrene similar to styrofoam extruded polystyrene and polyisocyanurate.
Rigid foam insulation offers as much as double the r value of traditional fiberglass batts according to the united states department of energy.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy.
This additional r.
So it s time to pay close attention to what s happening up there.
Rigid foam offers a high r value per inch of thickness and can be cut to fit almost any space.
Rigid foam comes in 4 x 8 foot sheets and thicknesses of 1 2 inch to 4 inches.
Used in this way the foam lowers the loss of energy through framing members a phenomenon called thermal bridging and increases the overall r value of the roof or wall assembly.
Modern technology of blanket insulation today is considered the best insulation for attic.
They are very effective in exterior wall sheathing interior sheathing for basement walls and special applications such as attic hatches.
Rigid foam like the silverglo insulation from dr.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends.
It s a good choice for.
Rigid foam insulation packs a lot of r value into a relatively thin package.
Loose fill or batt the common term for blanket insulation.
It is often used as a layer of continuous insulation on exterior walls and in the roof.
For diy attic insulation you ve got two choices.
When used as attic roof insulation rigid foam can be installed between attic rafters directly beneath attic rafters or in both locations.
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.
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.
