Rigid Insulation Thickness Chart

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.

Rigid insulation thickness chart.

Polyurethane foam insulation rigid panels. 6 8 21 initial 5 5 aged 5 to 10 years. Understanding r value thursday december 13 2018 what does r value mean. In general the insulation s method of installation can give you an idea of how it compares to other types of insulation.

1 844 446 7858 my account. Polyurethane spray foam insulation rigid panels foil faced. Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck. 7 8 21 initial 6 25 aged 5 to 10 years.

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. Polyiso insulation thickness r value chart. A higher insulation r value usually means a higher price point as well. 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.

For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed.