Freestanding screen houses are available to buy from Amazon.com and ComfortHouse.com. Amazon.com stocks large Casita brand screen houses and smaller screen houses that are similar to tents. ComfortHouse.com also stocks a freestanding screen house from Casita, along with other screened enclosures and canopies.
Amazon.com stocks round screen houses that are 11 to 14 feet in diameter. The 11-foot house features a white frame and a gray roof with a 50-inch door. It is 7.5 feet high at its highest point and includes a ground anchor. The 14-foot house is slightly taller, at 8.8 feet. The houses are recommended for backyards and campgrounds, and their folding design makes it easy to store them in winter.
A square screen house is also available from Casita through Amazon.com. The house consists of 12 panels, covers 134 square feet, and features a vinyl canopy roof for sun protection. The house is designed so that two people can assemble it. Ground stakes anchor the house; available accessories include privacy packs and deck anchoring kits.
ComfortHouse.com stocks a slightly different range of screen houses, three of which are square. The houses are available with white frames and gray roofs, or with chestnut frames and almond roofs. The Eureka Hex Screen House from Amazon.com is a tent-like house that has room for a standard picnic table.