Framing/Walls (continued from page 12)
When you weigh the fact that building the conventional wall structure can take weeks to create, involves several different crews, and that the skill level of the assemblers may vary, the costs for wall systems made under factory conditions can start to narrow. Some of the pre-built wall systems available take just a few hours to erect on the job site and offer a num- ber of superior energy-efficiency benefits that eliminate sev- eral steps in the traditional building process. For example, Structural Insulated Panels (SIPs) are a panelized building system composed of insulating foam sandwiched between two structural facings, providing an energy-efficient build- ing enclosure for both residential and commercial buildings. Te Standard for Performance-Rated Structural Insulated Panels in Wall Applications was approved this year by the American National Standards Institute (ANSI), establishing the first national consensus-based standard for SIPs. Te SIP consensus standard will lead to greater acceptance of SIPs by engineers, architects, builders, code officials, and others in the building industry.
What you choose to clad your walls in is another factor to consider. Numerous evaluations by independent experts have verified the superior insulating qualities of brick. Be- cause brick provides the thermal mass necessary to insulate a building, it allows for a lower level of heating and air condi- tioning use. In summer, brick has the ability to absorb heat and shield the interior from a rapid rise in temperature. Te heat is later released into the cooler night air. In winter, it effectively blocks cold and winds externally while retaining warmth generated internally. Brick veneer construction, with
EnergyComplete® Sealant from Owens Corning is the only foamed-in-place air sealant that creates a flexible, long-lasting gasketing layer between lumber and drywall.
the standard one-inch air space between brick and the sheath- ing, achieves even higher insulating results.
Insulation & Sealing
Tere is no code requirement for specific types or applica- tion; it’s up to the builder to find the right insulator that meets the R value requirements, and the choices for getting there are broad. Te Insulation Institute™ provides a central gathering place for information with a website, blog, case studies and fact sheets to help educate the industry with the information to make confident fiber glass and mineral wool insulation choices. Tis newly developed resource, located at
InsulationInstitute.org, offers a wealth of facts, data and benefits on these two insulation types, including education- al videos, product and performance literature and frequent
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Geothermal systems use water to transfer heat from our home to the earth in the cooling mode, or from the earth to your home in the heating mode. Electricity is only used to move heat—not produce it. A portion of this heat can also be diverted to heat water.
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