http://corvallisgreenhomes.com/gallery/main.php http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=2008 2008 http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=2010 2010 http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=2005 2005 http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=2002 2002 http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1878 1878 Minimum crawl space height is 42 inches http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1880 1880 Grout for geo-thermal exchange pipes http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1883 1883 Black pipe for geo-thermal exchange. White Pipe to pump grout down around the black pipes http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1885 1885 Drilling to 200 feet deep, 6 inch holes for geo-thermal exchange of constant 53 degrees Fahrenheit http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1888 1888 Additional excavation to maximize length of geo-thermal exchange pipes http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1891 1891 Backyard restored with geo-thermal exchange pipes 6 feet below surface http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1894 1894 Geo-thermal exchange pipes directed to heat pump in garage location http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1897 1897 Pressure treated support walls for floor joists http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1900 1900 Akro upgraded 3x8 inch pressure treated sill plates next to standard 2x6 sill plate http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1903 1903 Akro 3x8 pressure treated sill plate next to standard 2x6 sill plate http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1906 1906 Akro 3x8 pressure treated sill plate next to standard 2x6 sill plate http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1909 1909 2x10 kiln-dried Douglas Fir joists, 16 inch on center spacing http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1912 1912 1/2 inch thick 5-ply plywood subsiding. 3/4 inch CDX 5-ply plywood subflooring http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1915 1915 Two 2x4 walls with 1 inch gab for full 8 inch wall with staggered studs to break thermal transfer http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1917 1917 Two 2x4 walls with 1 inch gab for full 8 inch wall with staggered studs to break thermal transfer http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1920 1920 Roof sheeting, 1/2 inch 5-ply plywood http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1923 1923 Raised trusses to allow for extra high attic insulation on top of exterior wall http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1926 1926 Finished roof, 1/2 inch 5-ply plywood sheeting with 2x8 fascia board http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1929 1929 30 pound felt for under concrete tile roof http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1932 1932 Leak-proof window sill pan flashing http://corvallisgreenhomes.com/gallery/main.php?g2_itemId=1934 1934 Leak-proof sill pan flashing. Foam insulation between the two 2x4 exterior walls