Resolving practical problems in roofing retrofits and renovations [AIA course]

This course, worth 1.0 AIA HSW learning unit, provides expert advice on how to make a roof last as long as possible, and how to properly retrofit or reroof when the roof has run its course.

One of the largest PV installations in the country, thin-film solar laminate pan
One of the largest PV installations in the country, thin-film solar laminate panels on the roof of South Carolina’s 1.2-million-sf Boeing 787 Final Assembly Building are providing the site with 2.6 MW of power.
October 15, 2013

Initial cost of a commercial, industrial, or institutional building's roofing system is about 10% of total construction cost, but the roof can end up accounting for as much as 60% of a building's total maintenance cost throughout the building's life cycle. This course provides expert advice on how to make a roof last as long as possible, and how to properly retrofit or reroof when the roof has run its course.
 
After reading this article, you should be able to:
  • Describe the primary benefits of reroofing and roof renovation projects for building performance, with emphasis on the positive impacts on indoor environmental quality, comfort, and health for building occupants.
  • Discuss the rationales for existing roofing systems of choosing overlayment or tear-off as strategies for a roofing retrofit, along with their environmental and health considerations.
  • List at least four strategies for roofing applications as part of a sustainable design project (including LEED projects) for indoor environmental quality, moisture protection, mold prevention, and building envelope optimization.
  • Describe the primary requirements for vegetated (green) roofing system design and installation and their benefits in terms of reducing urban heat-island effect, energy consumption, and greenhouse gas emissions.

 

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