Roofing Plans and Details are similar to site plans. It can show slopes, valleys, ridges and various objects such as heating, ventilation and mechanical structures. We’ve curated the best roofing plans and details so you can save time. Our assortment of roofing plans and details spans includes various designs such as residential housing, roof drainage details, and even cottage sites. Here at PlanMarketplace, we have curated the best roofing plans and details for your use.