Foam Board Insulation R Value Chart

The higher the r value the better the thermal performance of the insulation.

Foam board insulation r value chart.

R values vary depending on many factors including the mean temperature at which the test is conducted and the age of the sample at the time of testing. Recommended home insulation r values. 1 844 446 7858 my account. R value is a measure of insulation s ability to resist heat traveling through it.

In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and. R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. This is the product that i typically use to insulate basement walls. R 3 2 polyisocyanurate rigid foam insulation board r matte plus 3 thermasheath 3 is rigid foam r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board.

These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Xps has an r value of 4 5 to 5 0 per inch of thickness. Because rigid foam plastic insulation products are not all aged in accordance with the same standards it is useful to publish comparison r value data. 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.

Insulation level are specified by r value. It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer. Rosato asbestos insulation is the most authoritative source on asbestos properties and gives data for the thermal conductivity of asbestos in different forms and with varying temperatures for magnesia asbestos insulation at mean temperatures ranging from 100 f to 400 f the k value thermal. The table below shows what levels of insulation are cost effective for different climates and.

Notes to the table above. 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. Rmax r matte plus 3 1 2 in. Other materials may only have a fifty percent increase in r value when their thickness is doubled.

The common denominator among varieties of insulation is the r value. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry. As a foil faced polyisocyanurate foam insulation enerfoil tm s r value actually more than doubles when it is twice as thick as you can see from the chart above. Notes on the r value k values of different forms of asbestos.