AboutRon Haynes Expertise I can answer questions related to all types of steep slope and low-slope commercial and residential roofing, including asphalt shingles, metal roofing, built-up roofing (tar and gravel), modified bitumen roofing, single ply roof systems, tile, and slate. Questions may relate to design, installation, problem resolution or repair of the roof system.
Experience I have over twenty years experience as a roof consultant dealing with various types of roof systems on commercial, industrial, residential and Government facilities. Experience includes new roof and reroof design, roof repair specification, roof construction, maintenance, failure investigations, performance analysis, inspections, moisture intrusion surveys and studies, and storm damage assessments. I am a registered professional engineer and a Registered Roof Consultant with the Roof Consultants Institute.
Organizations Roof Consultants Institute
Education/Credentials Bachelors Degree in Civil Engineering
Registered Professional Engineer
Registered Roof Consultant, Roof Consultants Institute Certified Infrared Thermographer
Awards and Honors Award Winner, Large Roof Replacement Design Document Competition at the 1999 Roof Consultants Institute International Convention. Dept of Navy Meritorious Civilian Service Award. Armed Forces Civilian Service Medal.
Question What is the minimum temperature that a White TPO Fully Adhered Roof may be installed for a commercial building application
Answer Aaron,
The acceptable in-service temperature of TPO roof membranes is well into the below freezing range. As for the temperatures at time of installation, when you reach 40F and below there are precautions to be taken to warm materials for installation and to accommodate proper seam welding and adhesive set-up and avoid condensation and icing of the adhesives and membrane surface, as well as comfort issues for the installers that can impact quality of the installation. For more insight you might consult the published installation guide of a TPO manufacturer (Firestone, GAF, etc.). The link to Firestone TPO is:
