R 30 Rigid Roof Insulation Thickness

Understanding r value thursday december 13 2018 what does r value mean.

R 30 rigid roof insulation thickness.

Polyiso insulation thickness r value chart. Roofing products commercial roofing products insulation and cover boards. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.

Insulation thickness to reach the r 30 value depends on the insulation material but fiberglass batts of r 30 insulation are 9 1 2 inches thick. Benefits of energyguard polyiso roof insulation include. Rigid polyisocyanurate thermal insulation board. Polyiso products are a reliable alternative to other fibrous and rigid foam plastic insulation as they can offer the following benefits.

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. Get to know more about one of the most popular commercial roofing systems. Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications. 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.

It can also be used as a roofing cover board and in building envelope applications. As part of that standard the products must meet r value requirements. 6 r 30 2 layers 2 5 2 layers 2 6 7 8 r 35 2 layers 2 9 2 layers 3 1. Learn about insulation and cover boards.

Insulation and cover boards. Professional should specify insulation thickness based r value on the 6 0 r inch design guideline associated with the. Get to know more about one of the most popular commercial roofing systems. Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness.

Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide. We re proud to say our products can be found in some of the tallest and safest buildings around the globe like salesforce tower. Case study salesforce tower. Rigid foam insulation provides the same r factor with approximately one half the thickness.

With a minimum of 70 recycled content the installed thermafiber products contributed to valuable leed credits helping the building earn a leed platinum certification.