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: 18"sq x 27"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.