Over the past few months, Icynene has announced that it is offering new spray foam products with reduced re-occupancy and re-entry times for trades and homeowners. There is already uncertainty as to the “right” amount of time that is needed and these announcements about reductions only add to that uncertainty. It is important to understand how these new recommendations came about and what they mean for spray foam safety.
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EPA Targets Reflective Insulation for Removal from “Seal and Insulate with ENERGY STAR” Program
In April 2015, the Environmental Protection Agency (EPA) sent a letter to Reflective Insulation Manufacturers informing them that EPA is considering removing reflective insulation from the “Seal and Insulate with ENERGY STAR” Program and adding them to the list of Excluded Products. This was based on EPA’s concerns that to date, no reflective insulation manufacturers had met the certification requirements for the “Seal and Insulate with ENERGY STAR” Program for any of their products.
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The Occupational Safety and Health Administration (OSHA) recently issued its Final Rule on confined spaces – 29 C.F.R. Part 1926 Subpart AA. “Confined spaces” include any space large enough for a worker to enter it. The scope of the regulation, therefore, includes crawl spaces and attics.
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NAIMA’s insulation manufacturer will be among the more than 2,000 exhibiting brands present NAHB International Builders Show, Jan. 20 – 22 in Las Vegas. IBS is the largest light construction show in the world and will for the second year, be co-located with the Kitchen and Bath Industry Show to create Design and Construction Week, with anticipated attendance of more than 75,000 specifiers, builders, dealers and suppliers.
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The North American Insulation Manufacturers Association (NAIMA) frequently receives questions from insulation professionals, consumers and others looking for general information on the performance of various fiber glass, rock and slag wool insulation products. One question that has been asked repeatedly over the years relates to the possible loss of R-value of loose fill (blown in) fiberglass insulation in colder temperatures, a misconception often perpetuated by competing insulation products to try and discredit the performance of loose-fill fiber glass insulation.
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Properly trained insulation contractors play an important role in ensuring the energy efficiency and comfort of a home. One of the most popular insulation products available is loose fill fiber glass insulation, which can be used in all areas of a new or existing home, but is especially suited for areas that are difficult to access, such as truss attics or closed wall cavities. Because poor installation of any system can compromise the performance of the product, a new training effort from the High Performance Insulation Professionals Association (HPIP) aims to educate installers on how to optimize the performance of not just blown-in fiberglass, but a variety of other systems as well. The re-branded organization has reviewed and examined numerous systems and products nominated for inclusion as high performance, and has developed a training program that addresses the building science behind these systems.
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Lucas Hamilton has more than 20 years’ experience in the building and construction industry – working with builders, designers and building product manufacturers. Over the years, he’s seen many advanced technologies employed to make a significant contribution to energy management in buildings. But, he says, insulation remains the most effective product for reducing carbon emissions while offering an immediate return on investment in terms of energy savings. And, he believes insulation will play an ever larger role in the future – as an increasing number of builders nationwide are super insulating homes to boost energy efficiency.
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Early uses of the rock wool insulation trace back to the Hawaiian Islands hundreds of years ago – where huts were blanketed with fibrous wool collected from volcanic deposits where steam had broken the molten lava into fluffy fibers. And although rock wool and slag wool insulations are commonly perceived to be solely for commercial or industrial use by many people today, in reality, they are ideal choices for residential buildings because of their thermal performance, as well as mold and fire resistance.
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In recent years, there has been some debate over which insulation products are better at reducing air infiltration. The fact is reducing air infiltration in a home is largely dependent on the air sealing package, not the insulation installed in the wall cavity. A new report published this fall from Building Science Corporation (BSC) affirms that insulation, of any type, is no substitute for proper air sealing and prevention of air infiltration. BSC’s multi-year insulation research project entailed a baseline set of seven test walls, including fiber glass batts, cellulose, spray foam and extruded polystyrene.
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Today’s ever-changing building codes and requirements call for builders, architects, contractors, code officials and other building material professionals to have quick access to the facts that help them select the best insulation solution for their specific project.
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