Replace old patio doors with a Prima Vista Sliding Patio Door from Seaway! Gain unrivaled security, durability and thermal performance. Easy operation.Alside’s patio door’s solid construction and easy glide operation ensure years of exceptional, maintenance free performance..Made especially for your patio door, the energy saving fabric of this curtain allows you to insulate against heat and cold. Featuring a grommet top with.Noe for a swinging patio door? Our sliding door is the solution. One panel is stationary, while the other slides from side to side on strong, durable tracks..