Structural Insulated Panels R Value

Featuring integrated moisture air and thermal protection zip system r sheathing completely reimagines traditional wall assemblies by streamlining exterior water air and thermal management.

Structural insulated panels r value.

At less than the cost of factory sip systems ez sips build in place structural insulated panels are changing the way homes are built. However insulspan manufacturers structural insulated panels in sizes up to 8 x 24. R control sips are manufactured under factory controlled conditions and are fabricated to your design. Raycore structural insulated panels are available in varying stud configurations.

What style of panel will best suit your needs. Thermocore s patented 4 r 24 panel is the highest r value in a standard jamb wall 4 9 16 thermocore panel systems was the first panel company to offer an optional plumb eve. Expanded polystyrene with a stated r value of r 3 9 per inch at 75 f was tested at r 4 2 at per inch at 50 f and r 4 4 per inch at 25 f. The vast majority of sips are being manufactured using expanded polystyrene eps foam board insulation a closed cell type of insulation this type of insulation when used in structural insulated panels offers an r value measurement of insulation of r 4 to r 5 per inch of thickness.

Thus the effective r value of a 2 x 6 wall with all its thermal breaks is about 15 62 which is less than the standalone r value of the insulation pocketed between the studs. The concept is simple. The r value of each osb facing is r 0 55. Ez sips are 4 foot wide eps insulation panels that fit into 2 6 wall sections like a glove.

That s 75 percent more r value for half the price. Raycore s 5 1 2 inch thick polyurethane sip panel has an r value of 42. All of thermocore s structural insulated panel sips innovations results in significant time labor and most of all money savings for you. Expanded polystyrene eps is type i per astm c578 11.

More importantly because all types of sips have solid insulation completely enclosed with wood sheathing they are not subject to any convective currents like fiberglass insulation. To learn more about r values sandwich panels and associated costs visit the compare insulation r values page. Expanded polystyrene insulated panels. Extruded polystyrene xps is type iv type x per astm c578 11.

Lumber is still used to connect eps sip panels to each other. Calculated r values for generic structural insulated panel sip including 7 16 oriented strand board osb on each side.