Page 55 - Green Builder Nov-Dec 2021 Issue
P. 55

Figure 4: Air Barrier Red Line Test for vented attic compared to unvented attic
                                                                                                performance, greater resis-
                                                                                                tance to wildfires and heavy
                                                                                                winds, and extra conditioned or
                                                                                                semi-conditioned space that can
                                                                                                be used for additional rooms,
                                                                                                storage, and heating and cool-
                                                                                                ing systems. Thus, unvented
                                                                                                attics fix the missing air bar-
                                                                                                rier problem while also provid-
                                                                                                ing impressive benefits. This is
                                                                                                the type of extra value targeted
                                                                                                by Housing 2.0 best practices
                                                                                                for optimizing the user experi-
                                                                                                ence. GB

                          Vented Attic                             Unvented Attic               Sam Rashkin’s two-decade career
                                                                                                as a licensed architect includes
                 panels. This dramatically improves the effectiveness of the roof   serving on national steering committees for the U.S. Green Building
                 insulation albeit with added volume of conditioned or semi-con-  Council (USGBC)’s LEED for Homes, Green Builder Media’s Green Builder
                 ditioned space. I personally don’t believe that codes and modeling   Guidelines, the Environmental Protection Agency (EPA)’s WaterSense
                 software adequately recognize the thermal performance benefit   label, and EPA’s Indoor airPLUS label. He has partnered with Green Builder
                 with this option.                                    Media to develop the Housing 2.0 program, which empowers building
                  In addition, an unvented attic saves significant cost by eliminat-  professionals to design and construct higher-performance, healthier and
                 ing the need for all the air leakage and air barrier details at the   more-sustainable homes at a fraction of the cost.
                 attic/ceiling interface, as well as attic venting (e.g., soffit vents,
                 gable vents, ridge vents).                           The Housing 2.0 program is sponsored by Mitsubishi Electric,
                                                                                  TM
                  As a bonus, unvented attics provide enhanced structural   Huber ZIP System , Panasonic, and Schneider Electric.



                                                          HOUSING 2.0 SPONSOR SPOTLIGHT



                 The Housing 2.0 program is   THE PROGRAM IS GENEROUSLY BROUGHT TO YOU BY THE FOLLOWING PARTNERS:
                 a comprehensive training
                 and education program     MITSUBISHI ELECTRIC        HUBER offers advanced      SCHNEIDER ELECTRIC is
                 designed to teach building   promotes sustainable building   systems, AdvanTech    driving the digital transformation
                                                                                    ®
                 professionals how to      through the electrification of   subflooring, ZIP System™   of modern homes with smart and
                 prepare themselves for the   residential and commercial   building enclosure and   sustainable energy solutions
                 massive transformation    heating and cooling products.   EXACOR™ underlayment, fueled   for ultimate comfort and energy
                 that the housing sector   Its mission is to advance   by on-the-jobsite analysis and   efficiency. Its connected home
                 is experiencing. The      technologies that reduce waste   building science principles.   ecosystem of smart energy
                 program is helping building   output and promote sustainable   These solutions have changed   management solutions provides
                 professionals design      resource cycles, while increasing   the way construction teams   digital control of energy use
                 and construct higher-     energy efficiency and eliminating   build quiet floors and air-and-  throughout a home, from the
                 performance, healthier,   dependence on fossil fuels.   watertight building enclosures.  grid via the company’s smart
                 more-sustainable homes,   mitsubishicomfort.com      huberwood.com              electrical panel to its connected
                 optimizing the total                                                            wiring devices. This grid-to-plug
                 housing user experience   PANASONIC HEALTHY INDOOR LIVING SOLUTIONS is          solution makes it significantly
                 with an estimated 30 to    helping builders across the country differentiate themselves with   easier to create smart, solar
                 70 percent hard cost      powerful, code compliant and cost-effective indoor air quality   power and backup power-ready
                 savings/added value.      solutions that provide a safer environment for home buyers.   homes now and in the future.
                                           Reinventingventing.com                                se.com/us/en/home




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