Is XPS foam a good insulator?

Is XPS foam a good insulator?

Both XPS and EPS provide good thermal conductivity performance. However, the air trapped in the voids in the EPS will conduct heat. A much higher density EPS board will be required to match the thermal performance of XPS insulation.

What is XPS foam insulation?

Extruded polystyrene (XPS) foam is a rigid insulation that’s also formed with polystyrene polymer, but manufactured using an extrusion process, and is often manufactured with a distinctive color to identify product brand.

Is XPS foam the same as STYROFOAM?

Styrofoam is a trademarked brand of closed-cell extruded polystyrene foam, or XPS. This foam is also referred to as “Blue Board” and is used for building insulation, thermal insulation and water barriers.

How much does XPS insulation cost?

Extruded Polystyrene (XPS) The average cost of extruded polystyrene insulation is $0.42/sq ft. for a 1-inch thick panel. The average R-Value is R-5.

Where would you use XPS insulation?

XPS provides increased stiffness and rigidity, making it suitable for use on roofs, below grade, below slab, and other applications.

Does XPS insulation need to be covered?

Most interior XPS boards must be covered with an accepted thermal barrier. Some XPS products have passed the NFPA 286 testing and don’t require a thermal barrier; check with your manufacturer to see which XPS products are exempt.

What thicknesses does XPS come in?

This bulletin provides thermal conductivity, thermal resistance, density and compressive strength for FOAMULAR® 150, 250, 400, 600 and 1000 insulation in thicknesses of 2″, 3″ and 4″.

Does XPS insulation need a vapor barrier?

XPS is manufactured in both an unfaced form or with different plastic facings. However, XPS is considered a vapor retarder, not a vapor barrier….Privacy Overview.

Is XPS insulation a vapor barrier?

XPS is manufactured in both an unfaced form or with different plastic facings. However, XPS is considered a vapor retarder, not a vapor barrier.