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. Insulation or other building material 9. Let s use the r value of iko s polyiso insulation enerfoil tm as an example. This material offers the highest r values about r 6 to 6 5.

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. 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. The table below shows what levels of insulation are cost effective for different climates and. Working with home insulation boards insulation panels typically come in 4x8 foot sheets.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Insulating board glass fiber organic bonded. Insulation level are specified by r value. 1 844 446 7858 my account.

Extruded polystyrene foam xps also known as blue board or pink board comes in many different thicknesses and edge profiles. They re much lighter and easier to work with than plywood sheets. The higher the r value the better the thermal performance of the insulation. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry.

Products with foil facing help the panels resist moisture vapor. 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. In the chart above you will notice that there are two vastly different r values provided for insulated metal doors with polyurethane insulation. Aging effects comments.

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. Recommended home insulation r values. Xps has an r value of 4 5 to 5 0 per inch of thickness. Smaller sizes are also available.

Insulating board expanded polystyrene extruded smooth.