Overlap in strip curtains helps to reinforce insulation and retain temperature control by removing gaps involving the strips. Much more overlap can provide much better insulation but may also have to have more work to go through. How do I settle on the extent of overlap for my strip curtains? https://augustuzwsq.bloguerosa.com/38203114/how-pvc-strip-curtains-can-save-you-time-stress-and-money