ASTM Standard Revisions for TPO Roofing Since 2010

In response to the industry’s need for a more rigorous standard for TPO membranes, ASTM standard for TPO was revised twice in 2011. The first revision took place in April 2011 and included changes to the duration of specimen heat aging before aged physical property testing. The time frame was increased from 28 days at 240 F to 224 days at 240 F, an eight-fold increase. However, no changes in the standard were made to the physical property evaluation methods after heat aging tests. In May 2011, ASTM standard was revised one more time. The new standard increased the minimum… Read more »

TPO vs EPDM Rubber Roofing – Flat Roof Guide

Are you looking for a quality, energy efficient solution for a low slope roof and are not sure whether to go for a TPO or an EPDM rubber roofing membrane? It can be difficult to distinguish between the two products, as both are single ply roofing membranes. However, there are important differences that you need to be aware of to figure out which roofing membrane is right for you. When making your decision, consider such factors as cost, longevity, durability, maintenance, ease of installation and energy efficiency. To learn more information about how TPO and EPDM stack up against one… Read more »

Installation Tips and Guidelines for roofers from TPO manufacturers

If you are roofing contractor already installing TPO membranes or considering starting to work with TPO there are some important installation intricacies that you need to be aware of to get your job done well. TPO roofing membranes are becoming increasingly popular both in residential and commercial single ply roofing markets across the US, offering an economical price as compared to its rival PVC roofing membranes. TPO roofing membrane offers many benefits similar to PVC roofing, in the last couple of years, the membranes have been noted to age and deteriorate prematurely under conditions of high solar and heat loading…. Read more »

Pros and Cons of TPO Roofing

If you are looking to install a single ply roofing membrane that will be energy efficient and are evaluating your options, consider TPO (thermoplastic olefin) roofing. TPO is touted to have the benefits of two of its direct competitors EPDM and PVC roofs, but without the drawbacks and extra costs. This means that a TPO roof is as UV-resistant and as heat-resistant as EPDM, and as heat-weldable as PVC. As any roofing material, TPO also has its disadvantages and shortcomings that are primarily due to the fact that TPO is a fairly new roofing material on the market and research… Read more »