Good Directions Dover Wood Shiplap Cupola with Copper Roof 18" x 25" PREMIUM GRADE CYPRESS  For long lasting beauty. 24 GAUGE PURE COPPER ROOF  Grade 1, 16 ounce pure copper roof will naturally patina over time. SUPERIOR STRENGTH  Roof has reinforced rafters. Louvered mid-section equipped with interior wood framing brace. 18 gauge Heavy Duty staples used instead of single nails to prevent components from shifting and for increased strength and durability. DIMENSIONS  Assembled: 18"Sq x 25"H. Square size measured at roofline. Fits up to a 10/12 pitch roof (most roofs). When calculating the size of your cupola, use our steadfast builder's rule of thumb: 1.5 inches of cupola width for every foot of unbroken roofline. See photo for more information. MADE IN THE USA  Made to Order. WEATHERVANE READY  Cupola is ready to accept a Good Directions weathervane. Includes preinstalled weathervane bracket inside the roof for easy installation. SIMPLE ASSEMBLY AND EASY INSTALLATION  Comes in three sections for easy installation and delivery. Includes assembly hardware, predrilled holes and an easy-to-follow installation guide.