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Owners routinely insert disclaimers and limitations of liability clauses in contracts that may limit or bar a contractor or subcontractor’s ability to collect additional compensation for work performed because of unexpected conditions and delay.

Waterproofing is the formation of an impervious barrier that is designed to prevent water from entering or exiting from various sections of the building structure. 

As is the case with other roof systems, flashings and penetrations are the most common points of moisture intrusion on standing seam metal roof systems. 

This is a story I hate to write, yet I’ve found myself doing so over and over throughout my 33-year career covering the construction industry. That’s because it keeps repeating itself.

The original roof on Building 1 at the EPA's Atlantic Ecology Division was replaced with a greener option.

Do you use Facebook? If you are over 40, the answer is maybe. If you are under 40, the answer is almost certainly yes. Did you know that Facebook was developed by a Harvard college student who wanted to create a website where people could rate how hot other Harvard students were? Half a billion dollars in venture capital later, it is the cornerstone of what has become known as social networking.

As is the case with other roof systems, flashings and penetrations are the most common points of moisture intrusion on standing seam metal roof systems.

“Green” and “sustainable” are current buzzwords in construction, but a look at the pages of this issue of Architectural Roofing & Waterproofing shows that these concepts are being implemented in the world of roofing, despite a tough economy. 

Solar power is gaining momentum for widespread use in the United States, assisted in part by income tax credits at the federal level. 

We are in the midst of the worst economic crisis of our lifetime and no one can accurately predict how long this crisis will last and what the long-term ramifications will be.