Home 5 Enclosures 5 Sierra 11×11 Sierra 11×11 The Sierra by Arctic Spas is one of the most popular models we offer—and for good reason. This structure has a sturdy frame, skylight and screen drapes for privacy and bug control. This is a perfect addition to your exclusive backyard entertainment. Features Durable Metal Roof UV Resistant Skylight 43” x 43” SPF Wood Structure Made in Canada Optional Accessories Privacy Drapes w/Screens Check out all enclosures features Click Here