Outdoor sofas can absolutely be used in a patio enclosure, provided they are designed to withstand the elements. A patio enclosure offers partial protection from weather, but furniture placed inside should still be weather-resistant to ensure durability. Look for sofas made from materials like teak, aluminum, or synthetic wicker, which resist moisture and UV damage. Adding cushions with quick-dry fabric will enhance comfort while preventing mold growth. Proper placement and occasional maintenance, such as covering or storing cushions during harsh weather, will extend the sofa's lifespan. By selecting the right materials and taking simple precautions, you can create a stylish and comfortable outdoor living area within your patio enclosure.