TPO is one of the many single-ply roofing membranes used in flat roofs. It’s a curious material as it falls in the same price range as its contemporaries, EPDM and PVC, but actually surpasses both of them in terms of durability and longevity.
Archives for November 2018
One of the many structural details you should consider when replacing or installing a new roof are the valleys. You have two options on how to seal this area, namely either via a closed or open valley method. How a valley is sealed depends on certain factors, including how the contractor you’re working with installs the roofing underlayment and shingles.