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. 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: 54"Sq x 75"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.