It is highly durable, resists moisture and decay, often has significant recycled content, and is not prone to warping or cracking like wood. I am curious to know if Insight plugin follows the procedures for shades / blinds even if they are not modeled? It is cautioned that similar stiffening effects are not observed in floors with drop ceilings. Copyright © 2020 Elsevier B.V. or its licensors or contributors. wide and 8, 10, 12, or 14 ft. long. The ceiling is a potential reflecting surface that must be treated in open offices. However, it possesses a high embodied energy because of its cement content and because it is manufactured with wood fiber from overseas. STC Ratings of Walls with Electrical Boxes With Baffles (Nightingale and Quirt, 1998), Figure 10.24. startxref At mid and high frequencies the flanking transmission becomes apparent through the boxes both with and without insulation. The sides of the boxes still need to be caulked or mudded at the penetration through the drywall surface. Typically, the whiter and smoother the ceiling panel, the higher the LR value. Designing for deconstruction and designing to minimize waste helps to reduce emissions associated with wasted material, such as landfill emissions and emissions associated with the production of new or replacement material. Nearly 100 percent of the fiber used in the production of gypsum-board face and back paper comes from newsprint and postconsumer waste materials. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780857092571500048, URL: https://www.sciencedirect.com/science/article/pii/B978012810433000006X, URL: https://www.sciencedirect.com/science/article/pii/B9781856176910000060, URL: https://www.sciencedirect.com/science/article/pii/B9780081001608000074, URL: https://www.sciencedirect.com/science/article/pii/B9780128038307000062, URL: https://www.sciencedirect.com/science/article/pii/B9780081001608000098, URL: https://www.sciencedirect.com/science/article/pii/B9780124158405000075, URL: https://www.sciencedirect.com/science/article/pii/B9780123982582000106, URL: https://www.sciencedirect.com/science/article/pii/B9781845699550500074, URL: https://www.sciencedirect.com/science/article/pii/B9780123982582000167, Handbook of Green Building Design and Construction (Second Edition), LEED Practices, Certification, and Accreditation Handbook, Thermal performance of cold-formed steel structures in fire, Recent Trends in Cold-Formed Steel Construction, Studies suggest that thermal properties of, Chen et al., 2014; Thomas, 2002; Sultan, 1996, LEED v4 Practices, Certification, and Accreditation Handbook (Second Edition). When hold-down clips are required, how much space should I leave between the clips, on the grid? Synthetic gypsum accounts for approximately 20 percent of U.S. raw gypsum use and is made from the byproducts of manufacturing and energy-generating processes, primarily from desulfurization of coal-power-plant exhaust gases. Questions should relate to this product specifically. Thermal properties of gypsum are available in tabular form or through sets of linear equations (Chen et al., 2014; Thomas, 2002; Sultan, 1996). All rights reserved. Table 7.18. Gypsum wallboard is a benign substance (basically paper-covered calcium sulfate), but it has significant environmental impacts because it is used on a vast scale; domestic construction uses an estimated 30 billion ft.2/year. If we have a room with the ceiling / walls/ floor finishes documented in the properties browser (but the carpet is not modeled, does the Revit Plugin Insight factor those in? Three insulation configurations were used: (1) no insulation, (2) insulation displaced around the box, and (3) insulation filling the cavities. This board is made by gypsum core materials and firmly bonded protective paper, including common type, waterproof type and fireproof type. 0000005290 00000 n (12.7 mm) non-combustible, Fire-Shield® G Gypsum Core with a 2-mil white, stipple-textured vinyl laminate face that combines high light reflectance with easy cleanability.

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