Polyiso Roof Insulation Thickness

Polyisocyanurate polyiso polyiso is the industry s premier roofing insulation.

Polyiso roof insulation thickness.

Polyiso roof insulation is the most widely used product for low slope commercial roofing and provides a high r value that helps meet today s energy code requirements without the added thickness or weight of other products. 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. When it comes to insulation performance the difference is in the details. Polyiso insulation thickness r value chart.

It can be attached using a variety of methods and is compatible with all of carlisle s single ply systems. Jm s wall sheathing line ap foil and ci max are not governed by lttr test methods and have different r value measurement standards. Polyisocyanurate insulation by its desired thickness and not lttr or r value to avoid possible confusion. What is polyiso insulation.

In q4 2013 jm will modify its packaging to reflect lttr values by both test methods. Benefits of energyguard polyiso roof insulation include. Polyiso has a high r value per inch compared to other insulation products. Polyiso insulation is the best choice as a cost effective energy efficient and environmentally responsible insulation product.

Jm sheathing r values will not change. Nrca recommends roof system designers specify a maximum 4 by 4 foot board size for poly isocyanurate adhered to a substrate. Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness. Insulation overview securshield polyiso is a rigid roof insulation panel composed of a closed cell polyisocyanurate foam core bonded during the manufacturing process to premium performance coated glass facers cgf.

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. Polyisocyanurate polyiso is a closed cell rigid foam insulation board made with recycled content that is widely used in commercial roofing. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness. Polyiso is unique in that the r value increases with the thickness of the foam so three inches of polyiso has a higher r value per inch than two inches.

Features and benefits achieves a ul class a combustible deck rating at a 1 thickness. Application specific guidance polyisocyanurate insulation is available in 4 by 4 and 4 by 8 foot board sizes.