Green Building Materials

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1 Green Building Materials NSCC - RES 131 Cate O dahl, Instructor Week 5: Doors, Windows, and Insulation Air Sealing and Mechanical Systems Last Class Homework Read GreenSpec Guide (for week 4) Door Windows Insulation Read GreenSpec Guide (for week 5) Caulks & Adhesives Mechanical Systems/HVAC

building envelope NEW 2014 NW Energy Star

2 Week 4 Topics Overview Doors Windows Jeld-Wen Insulation Air-Krete Blown Insulation Serious Windows Doors, Windows, & Insulation all part of the building envelope NEW 2014 NW Energy Star requirements Doors have to be R-5 or better Windows < 0.28 U-value (down from 0.35) Skylights < 0.50 U-value Insulation Ceiling R-49 (up from 38) Walls R (based on state code) Floors R-38 Slab Floors R-10 Basement Walls R-19

Doors Composite Doors Agricultural Fiber Metal Doors and Frames with insulation, provides better energy performance than wood entry doors Wood Doors Domestically-Grown Wood, Reclaimed Wood, and

3 Doors Composite Doors Agricultural Fiber Metal Doors and Frames with insulation, provides better energy performance than wood entry doors Wood Doors Domestically-Grown Wood, Reclaimed Wood, and FSC-Certified Wood Humabuilt Wheatcore Doors Solid Wood Doors with FSC-Certified Wood Forest Stewardship Council promotes Sustainable Long-term Forest Management Forest Ecosystem Protection Maintains Sustainable Timber Resources Benefits Local Economies

4 Red Light Challenge How many Action Items for Doors in Built Green Unified Single Family / New Construction Checklist? Three Item #5-9 Use Salvaged Doors Item #5-59 Use doors that are recycled-content or certified as sustainably produced Item #5-60 Use domestically-grown and manufactured wood interior doors Red Light Challenge Part Two What are the benefits to Using Domestically Grown Wood Interior Doors? Same Performance Reduce impact on endangered species Less embodied energy

5 Windows The Primary Green Consideration for Windows is Energy Performance Composite, Plastic and Wood Windows Skylights, Tubular Skylights & Roof Windows Exterior Sun Control Devices Windows Composite, Plastic and Wood Trade-off between optimum material selection and energy performance Milgard Fiberglass Renewal by Andersen Composite Wood Milgard Vinyl JS Benson FSC-Certified Wood

window which further reduces energy leaks--unlike frames made of wood, aluminum, or vinyl Windows Tubular Skylights, Skylights & Roof Windows Tubular Skylights, aka light tubes.

6 Windows Fiberglass - Serious Windows changed to Alpen High Performance R-7 to R-11 R-values increased to R-12.5 R-20 A natural insulator: 500 times less conductive than aluminum Because the frame is also made of glass, the frame expands and contracts at the same rate as the glass in the window which further reduces energy leaks--unlike frames made of wood, aluminum, or vinyl Windows Tubular Skylights, Skylights & Roof Windows Tubular Skylights, aka light tubes.. Solatube Daylighting Benefits Improves general well-being Increases workplace productivity & enhanced school performance Saves in electric lighting and cooling-load avoidance Allows light access to hard to light places Hallways Horizontal applications

heat gain Mechanical or Operable Options

7 Solatubes Solatube maximizes daylight Windows Exterior Sun Control Devices Window Shades, Blinds, Awnings Control daylight penetration Reduce heat loss or heat gain Mechanical or Operable Options windowblinds-guide.com/insulated-window-blind...

8 Insulation Insulated Ducts Insulation Baffles Insulation Batts Rockwool Mineral Wool Fiberglass Cotton Rockwool Insulation Insulation Loose-Fill Insulation (Blown In) Cellulose Fiberglass

9 Insulation Sprayed Insulation Air-Krete Insulation as Wall System Structural Insulated Panels Increased insulation Significantly less air leakage Insulspan Product Featured on This Old House's 25th Anniversary Project

10 Interlocking Sections 1) Apply Glue 2) Lift into Place 3) Tap Together Types of Insulation

-Van Jones, The Green Collar Economy Mechanical Systems/ HVAC Caulks & Adhesives The Primary Green Consideration for Caulks &

11 Week 5 Topics Overview Air Sealing & Mechanical Systems Caulks & Adhesives The main piece of technology in the green economy is a caulking gun. -Van Jones, The Green Collar Economy Mechanical Systems/ HVAC Caulks & Adhesives The Primary Green Consideration for Caulks & Adhesives is Indoor Air Quality Conventional products off-gas VOCs, formaldehyde and other chemicals Use Low- or No-VOC products Greatest impact occurs during and immediately following installation Always use proper ventilation during any application

Benefits of Insulation source: December 14, 2010 CBS2 Article. http://newyork.

com/2010/12/14/ poor-insulation-could-be-costinghomeowners-hundreds/ It is

homes are underinsulated wasting 20 percent or more of the heat they re generating.

homes greener, save money, and conserve the energy equivalent of 103 million

12 Benefits of Insulation source: December 14, 2010 CBS2 Article. poor-insulation-could-be-costinghomeowners-hundreds/ It is estimated that as many 98 million U.S. homes are underinsulated wasting 20 percent or more of the heat they re generating. "By heading straight to the attic and adding insulation, homeowners can make their homes greener, save money, and conserve the energy equivalent of 103 million barrels of oil annually enough to fill 51 supertankers." Gale Tedhams, Owens Corning, 2007 Caulk & Adhesive Products Duct Mastic Joint Sealants Flex Duct & Register Boot Sealing, Iris Communication, 1992 Construction Adhesives

intersection with exterior ceiling Caulk or gasket electrical, plumbing, or mechanical penetrations in drywall Air Sealing at Work Sealing new

13 Air Sealing at Work Airtight Drywall Approach Blip Design Architects Seattle Remodel Advanced Sealing Package Caulk or gasket drywall installed on exterior walls at top and bottom plates, windows and doorframes Caulk or gasket drywall installed on interior walls at intersection with exterior ceiling Caulk or gasket electrical, plumbing, or mechanical penetrations in drywall Air Sealing at Work Sealing new window installation at the Sensible House, 1 st 5-star Built Green Project in Seattle Sealing electrical penetrations

14 Red Light Challenge Which Built Green Items in the Unified SF/NC Checklist awards points for using caulk? 3-15 Use Airtight Drywall Approach 4-30 to 4-36 Use Only Low-VOC, Low-Toxic, Water-based, Solvent-free Caulks Construction Adhesives Conventional Adhesives may off-gas large amounts of toxic VOC s (including solvents and aromatic hydrocarbons Low VOC, High Performance Options Are Available

Mechanical Systems/ HVAC Air-to-Air Heat Recovery Ventilation (HRV) Mechanical air-exchange system Captures exhaust heat to warm incoming air Provides fresh air HRV vs.

15 Mechanical Systems/ HVAC Air-to-Air Heat Recovery Ventilation (HRV) Mechanical air-exchange system Captures exhaust heat to warm incoming air Provides fresh air HRV vs. Energy Recovery Ventilator (ERV) ERVs provide humidity, which we normally do not need in Western WA, however, the cost differential vs. performance, makes ERV s an attractive alternative. How a Heat Recovery Ventilator Works 3-50 Install an HRV or ERV 5 Points Employs a counter-flow heat exchanger (countercurrent heat exchange) between the inbound and outbound air flow. HRV provides fresh air and improved climate control, while also saving energy by reducing heating (and cooling) requirements for many applications

ventilation systems Mechanical Systems/HVAC Bathroom Vent Vans May be the only mechanical

16 Mechanical Systems/HVAC Air Outlets and Inlets Passive air inlets supply make-up air Can be fully closed or used as trickle ventilation Replaces air actively removed by exhaust-only ventilation systems Mechanical Systems/HVAC Bathroom Vent Vans May be the only mechanical ventilation system in a house Only works if they re running Quiet models Timers Panasonic Exhaust Fan

Mechanical Systems/HVAC Domestic Water Heaters Furnaces Boilers BG SFNC 3-51 Select Energy Star Heating and Cooling Equipment Duct Mastic BG SFNC 3-38 Use Advanced Sealing of ALL Ducts Using

17 Mechanical Systems/HVAC Domestic Water Heaters Furnaces Boilers BG SFNC 3-51 Select Energy Star Heating and Cooling Equipment Duct Mastic BG SFNC 3-38 Use Advanced Sealing of ALL Ducts Using Low-Toxic Mastic Mechanical Systems/HVAC Heat Pumps During the winter, heat pumps extract heat from the cold air outside and release it inside the house. Heat pumps are very efficient when outside temperatures range from 45 degrees to 50 degrees Fahrenheit. They become less efficient as the temperature drops. When the outside air temperature is very low, an auxiliary electric heater must be used to supplement the heat pump's output.

Air Source or Ductless Minisplit Heat Pumps Consists of outdoor

unit (evaporator with blower) that mounts on an interior wall copper

The indoor unit of the Mitsubishi minisplit heat pump.

groundwater) as the heat source in the heating mode (and heat sink for

18 Air Source or Ductless Minisplit Heat Pumps Consists of outdoor compressor (a box about three feet on a side and a foot deep) an indoor unit (evaporator with blower) that mounts on an interior wall copper tubing that carries refrigerant between the two. The indoor unit of the Mitsubishi minisplit heat pump. Photo Credit: Alex Wilson The outdoor unit of the Fujitsu minisplit heat pump. Photo Credit: quadomated.com Other Heat Pumps Ground Source Heat Pump relies on the ground (or groundwater) as the heat source in the heating mode (and heat sink for cooling) $35,000 (or even more) to install residential-sized ground-source heat pumps. The cost is so high because of trenching or drilling wells. Geothermal Heat Pump

Cleaning Devices Filters and MERV ratings HVAC

19 Mechanical Systems/HVAC Leaky ducts make poor indoor air quality Mechanical Systems/HVAC HVAC Air Cleaning Devices Filters and MERV ratings HVAC Ducts and Casings HVAC Insulation Filtera Air Filters, MERV 14

SFNC Action Items that correspond to these product categories Mechanical Systems/HVAC

20 Mechanical Systems/HVAC Hydronic Heat Delivery Instrumentation and Control for HVAC Controls provide comfort and energy savings by controlling delivery Find the Built Green SFNC Action Items that correspond to these product categories Mechanical Systems/HVAC Powered Attic Exhaust Fans Whole-house exhaust/airflow Heat removal from attics Solar options available

Essays must be type-written, electronic submissions preferred, referencing sources are REQUIRED Due last class Field Trips next

21 Final Exam Open Book, but not open internet Do NOT use acronym.com for Alphabet Soup you will get bad suggestions trust me, it s from experience; just use the book or lecture presentations Essays must be type-written, electronic submissions preferred, referencing sources are REQUIRED Due last class Field Trips next week Greenhome Solutions 1210 West Nickerson Street, Martha Rose High Performance Ashworth Ave N & N 92nd St GreenFab Phinney Ridge Prefab 707 N 67 th Street, Wear pants and close toed shoes

22 Next Class The TOPIC is Interior Finishes Read GreenSpec Guide Flooring & Floorcoverings Interior Finish & Trim Paints & Coatings

Green Remodeling Illustrations GREEN REMODELING ILLUSTRATIONS GREEN BUILDING GUIDELINES FOR HOME REMODELING

Green Remodeling Illustrations GREEN REMODELING ILLUSTRATIONS GREEN BUILDING GUIDELINES FOR HOME REMODELING WWW.STOPWASTE.ORG New Addition Consider the following green remodeling options in a new addition.