Blowing Agent
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China is Alleged Source of Illegal Blowing Agent
Investigators track down source of long-banned blowing agent CFC-11 and find its use is widespread
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A Banned Threat to the Ozone Reappears
Scientists find evidence that a chemical phased out in 1987 is being manufactured again
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Using David White’s Global Warming Calculator
The second part of my Passive House conference presentation
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What the Pact on HFCs Will Mean for Builders
The phase-out of hydrofluorocarbons will usher in new versions of foam insulation and updated air conditioners and heat pumps — but not in the immediate future
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Thermal Drift of Polyiso and XPS
As these rigid foam products age, their R-value decreases
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More About Global Warming and Insulation
It’s not as straightforward as many seem to believe
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Friendlier Foam Insulation On the Way, Eventually
New blowing agents that will lower the global warming potential of XPS and spray foam are under development, but they they aren’t ready yet
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A New Blowing Agent With a Lower Environmental Impact
Honeywell begins production of a new blowing agent for foam insulation with a lower global warming potential than commonly used agents
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Icynene Announces a New Spray Foam Insulation
The medium-density closed-cell foam uses water as its blowing agent
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PHIUS Measures Its Approach to Spray Foam
Responding to feedback from the building community over its proposal to disallow use of SPF using hydrofluorocarbon blowing agents, PHIUS has deferred to its recently formed technical committee for guidance
