Best Rigid Insulation For Attic

When used as attic roof insulation rigid foam can be installed between attic rafters directly beneath attic rafters or in both locations.

Best rigid insulation for attic. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. For diy attic insulation you ve got two choices. They are very effective in exterior wall sheathing interior sheathing for basement walls and special applications such as attic hatches. Foam boards rigid panels of insulation can be used to insulate almost any part of your home from the roof down to the foundation.

Loose fill or batt the common term for blanket insulation. Both can be added to uninsulated attics or layered over existing material. 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. 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.

Rigid foam comes in 4 x 8 foot sheets and thicknesses of 1 2 inch to 4 inches. So it s time to pay close attention to what s happening up there. Energy saver comes in panels or sheets of different thicknesses. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. The best insulating rigid foam. It s a good choice for. 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. Modern technology of blanket insulation today is considered the best insulation for attic. The most common materials include expanded polystyrene similar to styrofoam extruded polystyrene and polyisocyanurate. Rigid foam offers a high r value per inch of thickness and can be cut to fit almost any space.

Rolls and batts are produced of mineral wool and fiberglass. 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. Rigid foam insulation. Rigid foam insulation offers as much as double the r value of traditional fiberglass batts according to the united states department of energy.

It is often used as a layer of continuous insulation on exterior walls and in the roof.