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Air barriers: An essential part of the building envelope

GCP Applied Technologies

How air leakage can impact building durability. Environmental Product Declarations. How air leakage can impact building durability. Variables like local climatic conditions, building size and design, and energy source all play a role in determining the impact reducing air leakage can have on energy use. Energy savings.

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The importance of substrate surface water absorptivity

Construction Specifier

To better conceptualize, imagine a concrete masonry unit (CMU) block. On January 11, 1990, the National Federation of Federal Employees (NFFE) petitioned the Environmental Protection Agency (EPA) under section 21 of the Toxic Substance Control Act ( TSCA ) to start rulemaking proceedings and focus on reducing emissions from new carpets.

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Closed-cell spray polyurethane foam: Shrinkage and how to manage it

Construction Specifier

After hardening and curing, unrestrained ccSPF will shrink slightly (approximately 10 percent per manufacturers testing), inducing more shrinkage forces in cured ccSPF. Mechanical restraint figure 6: Metal lath against masonry substrate with closed-cell spray polyurethane foam (ccSPF) partially installed.

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A Primer on MasterFormat & Improving Construction Project Collaboration

Building Information Management

00 31 24 Environmental Assessment Information. Environmental Impact Study Report. Environmental Impact Report Evaluation. Record of Environmental Impact Decision. Environmental Impact Mitigation Report. Existing Masonry Information. Environmental Impact Study Report.

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A Primer on MasterFormat & Improving Construction Project Collaboration

Building Information Management

00 31 24 Environmental Assessment Information. Environmental Impact Study Report. Environmental Impact Report Evaluation. Record of Environmental Impact Decision. Environmental Impact Mitigation Report. Existing Masonry Information. Environmental Impact Study Report.