Tpo Installed Over Existing Flat Roof Membrane

A roofer recommended a tpo and it will be installed over the existing shingles one.

Tpo installed over existing flat roof membrane. Currently the average cost to install a tpo membrane is 5 5 6 per sq ft. It is an acceptable practice to install a new roof over an existing roof membrane system provided that the roof deck is structurally sound and has been properly prepared to support the added load. We have a newly framed flat roof deck over a garage about 266ft and the slope runs 1 4 in every foot and was considering tpo membrane to waterproof it. As one of the most common roof types of big commercial facilities tpo has some of the best energy savings for single ply membrane roofing.

Learn how to installa single ply tpo roof. Your total price will depend on a number of factors such as. A recent study of everguard tpo roofs installed between 8 and 16 years ago found they all performed above astm standards for newly manufactured tpo. Ken nguyen june 11 2020 at 3 07 am.

Starting with the roof membrane we will work down through the system and. We have a small leak in the low slope roof but not flat. Membrane roofing is often used on commercial flat roofs. Roofing calculator in the building trades the acronym tpo stands for thermoplastic polyolefin a material originally developed for pond liners and used extensively for roofing since 1989.

According to the 2014 2015 national roofing contractors association nrca market study most new projects in the past few years have specified a white tpo roof. If you ve seen a bright white roof then you may be familiar with tpo roofing. In this article we cover everything you need to know about tpo roofing. In general tpo is a relatively low cost high performing roof membrane when installed the right way.

Here at west roofing systems we ve been installing single ply membrane roofing for over 38 years. Roof size and complexity membrane thickness insulation quality and labor charges. However we want to put interlocking composite decking on top but underneath the decking we re looking at appears to be hard plastic and not rubber. Common flat roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee.

We also cover spray applied foam and liquid roofing options. We live in california a lot of rain in the winter.