Formaldehyde-free insulation was used in the one fire-rated wall.Anything remotely toxic or flammable is stored in the separate garage rather than in the house, which improves safety and IAQ in the house, but doesn’t do much for the air in the garage.Siding is a combination of clear finish SuperPly (see lessons learned below…) and unfinished HardiPanel over a rain screen wall.Main shelf above work bench was suspended from salvaged wire rope (boat halyard)-both resource efficient and elegant.Shelving, shelving standards and window shades were salvaged.Low toxic paint on the one wall that required GWB for fire rating was salvaged from left-overs from my office painting.The salvaged person door came from Earthwise.The rest of the deck was saved for reuse elsewhere by CJR. Salvaged treated 2圆 decking was used as framing, plates and blocking, and OSB sheathing salvaged from under the existing deck (and two sheets salvaged from other CJR jobs) was reused as wall sheathing. Except for the roof framing (PSLs and 2x10’s) and roof sheathing, the basic structure was built entirely of wood salvaged from the existing carport.The planted roof protects the actual roof membrane from degradation caused by the sun, and thus increases the life of the roof.The structure was stack framed, and so used about 25% less wood than a conventionally framed structure.
GREEN ROOFS SEATTLE FULL
GREEN ROOFS SEATTLE WINDOWS
A translucent garage door and generous windows on the north side provide ample natural light. At some point there may be an overhead infrared heater for working in the winter, which will heat objects rather than the air.General lighting is compact fluorescent and T-5 with electronic ballast, except for seldom-used exterior lights which are A-19s to provide dimming capability, and one 300W halogen work light.We have a healthy colony on the west side. Not completely a good thing, but I noticed this spring that the air gap at the bottom of the rain screen wall is just the right size for mason bees.It provides habitat for birds and insects and offers garden space removed from some of the usual northwest pests. The green roof reduces the intensity and duration of rainwater run-off, filters the run-off in much the same way as a wetland does, reduces the build-up of heat in urban areas, and absorbs reflected sound.
We look out on the roof from our kitchen window every day. The garage was on the Northwest EcoBuilding Guild’s 2004 Green Roof Tour, and since its completion has been visited by numerous curious lay people as well as architects and builders.
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