This summer, California will join the tall-wood movement with the adoption and enforcement of new code provisions for mass timber construction. Mass timber, which is an umbrella term for many types of engineered wood, offers a range of benefits including renewability, economy, and design flexibility. Impact of Code California’s adoption and enforcement of this code on July 1, 2021 will reduce restrictions for mass timber buildings by allowing up to 18 sto - Code Changes Advance Mass Timber Across California By Anders Carpenter and Sarah Knize acoustical design specifications: Background Noise, Noise Isolation, and Sound Absorption. Building Sound Solutions REGUPOL has developed products that solve the problem of interfer - ence from noise in new and existing environments. The company offers a complete line of building acoustics materials that provide architects and engineers with a comprehensive toolbox of healthy acoustic speci - fications for longevity and a higher quality of life in densely populated urban centers. REGUPOL underlayment products in the Sonus and Comfort ranges address these areas. The Sonus range includes smooth and profiled ver - sions that make designing specific under-floor solutions easy, include bonding technology, and a wide range of under-screed impact sound insulations. REGUPOL products are tested to ISO and ASTM stan - dards and can also be tailored to the needs of a specific project. The Comfort range is especially attractive to customers in Europe. With CE certification, it can be installed with confidence throughout the European Economic Area. AtAvalon Glendora, REGUPOLVibration and RegufoamVibration are floating floor vibration isolation products that were installed to ensure acoustic comfort in this 198-unit mixed-use development in Glendora, California They neutralize primary noise sources in vertical buildings with negligible structural height while also allowing for a thinner slab. The high-performance floating floor shields residents from noise pol - lution in the form of vehicle traffic and the adjacent freight railroad. It also ensures residents are protected from additional noise pollution associated with any extensions of the nearby Metro Gold Line. See more of this project here .
Future proofing mixed-use developments for noise pollution is only half the battle. Hickman reminds for multi-family projects to weather the VE process, specifiers must be strategic in finding solutions that of - fer a triple bottom line: a product that offers acoustic buffering, thermal conservation benefits and is economical. “Acoustic comfort is huge,” says Hickman. “And I feel like it’s been the unsung hero for a very long time. [Good] acoustics is a quiet but efficient design strategy.” About REGUPOL REGUPOL was established in 1954 and creates its products from high- quality plastics that have been recycled and reprocessed. With this ap - proach, REGUPOL has become one of the leading suppliers of sports and safety flooring, antislip mats for load securing, products for impact sound insulation and vibration isolation, as well as protective and sepa - rating layers. In these market segments, REGUPOL has had over 65 years of experience. In many product groups, REGUPOL is already the market leader. The company headquarters is located in Bad Berleburg. Worldwide REGUPOL employs around 700 people, whose skills and specialist knowledge enable the company to provide the best solutions. Our subsidiaries are REGUPOL America LLC, REGUPOL Australia Pty. Ltd., REGUPOL Acoustics Middle East FZE, REGUPOL Sch - weiz AG, REGUPOL Zebra Athletics LLC and BSW Shanghai CO. LTD. Last year, REGUPOL achieved a turnover of €120 million and recycled 90 thousand tons of elastomers. For more information, visit www.regupol.com.
ries and an increase in permissible square footage of engineered wood construction. This is expected to save time in the permitting process and mitigate risk by avoiding alternate means and methods to calculate and prove equivalencies. Additionally, the new code will increase safe - ty by requiring operational safeguards during the construction process, such as limiting the height to which the mass timber structure can be erected without exterior cladding and mandating on-site fire protection measures like fire department connections. Type IV construction will be broken into three new categories: IV-A, IV-B, and IV-C. While carrying over the previous code’s minimum size requirement that ensures that the columns and beams are sufficiently substantial and that the roof, floor, and panel decking meet a required thickness, each Type IV category now maximizes the height and area of a building based on how much of the mass timber product is covered by fire-resistant material, such as gypsum wall board. For example,
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csengineermag.com
september 2021
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