Polyiso Roof Insulation Thickness

Polyisocyanurate polyiso polyiso is the industry s premier roofing insulation.

Polyiso roof insulation thickness.

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. As an example a 1 board label will include information from lttr s770 03. 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.

It can be attached using a variety of methods and is compatible with all of carlisle s single ply systems. Polyiso has a high r value per inch compared to other insulation products. Features and benefits achieves a ul class a combustible deck rating at a 1 thickness. Polyisocyanurate insulation by its desired thickness and not lttr or r value to avoid possible confusion.

Application specific guidance polyisocyanurate insulation is available in 4 by 4 and 4 by 8 foot board sizes. Polyiso insulation is the best choice as a cost effective energy efficient and environmentally responsible insulation product. 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. Polyiso insulation thickness r value chart.

What is polyiso insulation. All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered. Understanding r value thursday december 13 2018 what does r value mean. 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.

In q4 2013 jm will modify its packaging to reflect lttr values by both test methods. Polyisocyanurate polyiso is a closed cell rigid foam insulation board made with recycled content that is widely used in commercial roofing. 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. With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.

Jm sheathing r values will not change. When it comes to insulation performance the difference is in the details.