
NOT JUST FOR CURB APPEAL. There is hardly a new feature that isn't both beautiful and functional. The new tile porch roof blends seamlessly with the facade while protecting the entrance from the elements; the large bay window adds space and plenty of daylight to the kitchen; the new garden is designed to help deal with stormwater runoff.
Location: Georgetown, MA
Cost (USD/sq. ft.): $475/sqf
Existing space (remodeled): 700 sq. ft.
Addition: 100 sq. ft.
Builder: Dave West, Meadowview Construction Llc.
Architect: Juli MacDonald, AIA LEEDLeadership in Energy and Environmental Design. LEED for Homes is the residential green building program from the United States Green Building Council (USGBC). While this program is primarily designed for and applicable to new home projects, major gut rehabs can qualify.
AP GreenBridge Architects
Interior designer: Lisa Kawski, lmk interiors, ltd.
Landscape architect: Matthew Ulrich Landscape Design
Engineer: Alex Ross, Ross Engineering
Energy analysis: Mike Browne, Advanced Building Analysis
Foundation: 10-in. concrete; uninsulated and unfinished basement (R-2); in the area of work, insulated slab on grade with continuous 2-in. rigid insulation below and inside foundation wall (R-10).
Walls: Stucco over 8-in. hollow clay structural tile (R-2); in area of work, 1-1/2-in. rigid insulation at inside face of exterior (R-15)
Windows: low-eLow-emissivity coating. Very thin metallic coating on glass or plastic window glazing that permits most of the sun’s short-wave (light) radiation to enter, while blocking up to 90% of the long-wave (heat) radiation. Low-e coatings boost a window’s R-value and reduce its U-factor., argonInert (chemically stable) gas, which, because of its low thermal conductivity, is often used as gas fill between the panes of energy-efficient windows.
-filled insulating glass (Pella Architectural Series, U=.45, R-2.2)
Roof: clay tile over 2x8 rafters and wood sheathingMaterial, usually plywood or oriented strand board (OSB), but sometimes wooden boards, installed on the exterior of wall studs, rafters, or roof trusses; siding or roofing installed on the sheathing—sometimes over strapping to create a rainscreen.
; new dense-packed cellulose insulationThermal insulation made from recycled newspaper or other wastepaper; often treated with borates for fire and insect protection. (R-28)
Foundation: slab on grade; 10-in. foundation wall; 2”-in. rigid insulation under slab and inside foundation wall (R-10)
Wall s: 2x6; full thickness IcyneneOpen-cell, low-density spray foam insulation that can be used in wall, floor, and roof assemblies. It has an R-value of about 3.6 per inch and a vapor permeability of about 10 perms at 5 inches thick. insulation (R-22)
Windows: low-e, argon-filled (U=.45, R-2.2)
Skylights: manual-venting skylights with low-e, argon-filled insulated glass (U=.60, R-1.7)
Roof: copper over sheathing on 2x8 rafters; full-thickness Icynene insulation (R-30)
Heating/cooling:under-slab radiant heating in area of work; zoned off existing Viessman
Water heating: existing oil heat switched to Simply Green 5% bio-diesel
The airy, light-filled renovation of this 1930s stucco Spanish Tudor house in Georgetown, Massachusetts, is packed with eco-friendly features even though no green certification program was enlisted. A new bay, great room, patio, and garden completely transformed an awkward kitchen that itself had been a renovation of a two-door garage. Extensive landscaping, including a rain garden, brought the house back in tune with its natural surroundings.
Not just a kitchen renovation
With her children grown and (mostly) gone, Elizabeth had waited for what she wanted, and wanted it done well. The project embraced a renovated foyer, office, laundry, and bathroom, as well as a new driveway and trees. She’s proud of architect Juli MacDonald’s choices, ranging from an entry addition with graceful arching braces to energy modeling, blower door testing, and thermographic inspection for heat loss.
The bounty of re-use
Inspired by the owner‘s commitment to stewardship of the natural world, used materials and appliances were almost completely recycled on craigslist or freecycle.com. Concrete debris was trucked to a re-processor, used brick integrated into the new patio, and used tiles into the new roof. Wood was taken to a salvage yard, and items left curbside were all taken. New work similarly incorporated the seen-before: Some of the counters are Richlite, made of compressed recycled paper; floor tiles are recycled glass; and new driveway posts and steps are cut from old granite curbs. All cabinetry is locally made (with no-urea formaldehydeChemical found in many building products; most binders used for manufactured wood products are formaldehyde compounds. Reclassified by the United Nations International Agency for Research on Cancer (IARC) in 2004 as a “known human carcinogen." adhesives), as are the concrete counters, using fly ashFine particulates consisting primarily of silica, alumina, and iron that are collected from flue gases during coal combustion. Flyash is employed as a substitute for some of the portland cement used in the making of concrete, producing a denser, stronger, and slower-setting material while eliminating a portion of the energy-intensive cement required.
More info from a local plant. Interior designer Lisa Kawski integrated artisan-made and commercial glass tiles on walls, both with recycled content. Construction sawdust was collected and sent to a local farm for animal bedding.
Going the extra mile
Some choices were easy: LED under-cabinet and cove lighting; Toto dual-flush toilets; no-VOCVolatile organic compound. An organic compound that evaporates readily into the atmosphere; as defined by the U.S.
Environmental Protection Agency, VOCs are organic compounds that volatize and then become involved in photochemical smog production. paints, finishes, and glues; and FSCNonprofit organization that promotes forestry practices that are sustainable from environmental and social standpoints; FSC certification on a wood product is an indicator that the wood came from a well-managed forest.-certified framing and trim. But some were sticklers. There was no way to insulate the existing peculiar hollow tile exterior walls, so Juli designed an extra wall to blanket the entire interior elevation and marry newer insulation and detailing at the bay. And award-winning builder Dave West replaced the existing concrete slab in the kitchen (remnants of an old garage) with a new one on top of proper insulation, with zoned radiant heat throughout.
Landscape designer Matt Ulrich designed a native-plants rain garden (which, unlike its name sounds, is designed to absorb lots of water during storms) that resolved flooding and freezing at the building foundation. He also specified permeable surfaces in all hardscaping. There’s even a rain barrel that supplies water for Elizabeth’s laying hens.
Lisa and Elizabeth researched products with care to adapt to what was actually available — or not — in the burgeoning green marketplace. For instance, they swapped in counters from a different maker when they found the ones they’d chosen were only available in commercial quantities. Crucially, the team looked at the whole house, applying best practices not just to the addition. Elizabeth honed to the good design and excellent craftsmanship she knows will be treasured for many years. Most of all, the happy collaboration of a great team ledLight-emitting diode. Illumination technology that produces light by running electrical current through a semiconductor diode. LED lamps are much longer lasting and much more energy efficient than incandescent lamps; unlike fluorescent lamps, LED lamps do not contain mercury and can be readily dimmed. to a superior experience and result.