Insulation Board R Value Chart

Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Insulation board r value chart. Most insulation manufacturers will first list their insulation s r value for a one inch sample then they ll give you a chart demonstrating the other r values you can achieve if you install a thicker version of their product. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. The table below shows what levels of insulation are cost effective for different climates and. Insulating board expanded polystyrene extruded smooth.
Spray foam pink fiberglas vs. Recommended home insulation r values. Based on astm c518 calculation method the door has an r value of up to 11 but using astm c1363 tested operable the same door only have an r value of up to 3 5. Insulation or other building material 9.
Xps has an r value of 4 5 to 5 0 per inch of thickness. 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. Let s use the r value of iko s polyiso insulation enerfoil tm as an example. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry.
The higher the r value the better the thermal performance of the insulation. Insulating board expanded ploystyrene extruded cut cell. Aging effects comments. 1 844 446 7858 my account.
Insulation level are specified by r value. R value is a measure of insulation s ability to resist heat traveling through it. Insulation project calculator how to install naima r value certification product training videos colab learning video library for pros distributor locator why owens corning insulation propink vs. 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.
Smaller sizes are also available. Insulating board glass fiber organic bonded. This material offers the highest r values about r 6 to 6 5. Extruded polystyrene foam xps also known as blue board or pink board comes in many different thicknesses and edge profiles.
Working with home insulation boards insulation panels typically come in 4x8 foot sheets.