Rigid Insulation Thickness Chart

Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same.

Rigid insulation thickness chart. Our r value guide to rigid insulation includes the doe s recommended insulation by zone chart r value calculator and base building material r values chart. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7 along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. Polyurethane spray foam insulation rigid panels foil faced. 6 8 21 initial 5 5 aged 5 to 10 years.

7 8 21 initial 6 25 aged 5 to 10 years. A higher r value means that the insulation will do a better job of holding in conditioned air whether that s heat in the winter or cool air in the summer. In general the insulation s method of installation can give you an idea of how it compares to other types of insulation. Polyurethane foam insulation rigid panels.

For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. Polyurethane foam insulation rigid panels. Understanding r value thursday december 13 2018 what does r value mean. Pentane expanded foam.

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