grand ridge residence: a green case study
Issaquah, WA
Certification: 5-Star Built Green™
This four-bedroom home, completed in 2008, is located on a wooded two-acre site in the Grand Ridge neighborhood of the Issaquah Highlands, and is the first 5-star Built Green home approved by King County. The owners sought to employ the latest construction methods to maximize the home's energy-efficiency & sustainability while maintaining the traditional character of an older home. They wanted an enduring, well-built home that would meet their needs for many years to come. An outline of the specific elements used on this home is listed below.
- Formaldehyde-free fiberglass insulation
- Low Volatile Organic Compound (VOC) paint, coatings, and adhesives used exclusively
- Return air ducts installed in every bedroom redirect stale air to the exterior
- Low pile carpet attracts fewer allergens
- Reduced lumber quantities with stacked floor plans and engineered structured prducts
- Locally sourced, 50-year cedar shingle siding and roof
- Carpet pads with recycled content
- Recycled concrete for backfill and under new slabs
- Stainless steel sill pans and integral flashing to protect structure and prevent water intrusion
- Forest Stewardship Council (FSC®) certified framing
- Reduced site disturbance allowing over 50% of the site to remain in its natural state
- A 100% pervious concrete driveway minimizes runoff, allows groundwater to recharge
- Protection of existing native plants from damage and soil compaction
- Erosion control measures during construction for improved soil stability
- Felled trees chipped and used as mulch in the landscape
- Recycling of all excess building materials and diversion from landfills
- Detailed take offs and custom orders minimize scrap materials
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