MAINTENANCE FREE, ROT FREE, ROYAL BRAND SOLID CELLULAR PVC VINYL – expertly crafted using a CNC Router, for a precision cut every time. May be painted with exterior acrylic latex paint. DURABLE BLACK ALUMINUM ROOF SUPERIOR STRENGTH – Roof has reinforced rafters. Windowed 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: 30"Sq x 45"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 builder's rule of thumb: 1.5 in. of cupola width for every ft. of unbroken roofline. MADE IN THE USA – Made to Order. LIFETIME WARRANTY– Industry Exclusive Lifetime Warranty. HINGED WINDOW – one panel of the cupola opens to add a light, or to clean. It is equipped with a screw-locking mechanism to prevent the panel from opening unintentionally. Only available on 22" Squared Cupolas or larger. 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.