The post 20×20 Patio Layouts for Dining, Lounging, and Entertaining appeared first on Designing Idea. A 20×20 patio is in the perfect sweet spot of backyard design as a 400 sq. ft. space is big enough to host a crowd,... The post 20×20 Patio Layouts for Dining, Lounging, and Entertaining appeared first on Designing Idea.