Poly Tarps are usually not well suited for covering things that involve breathability since poly tarps don't have ample space between their particles to enable the passage of air. Pergola needs to be connected to your property a arbor / arbour or gazebo is not attached to your home. The https://landenfmopq.hamachiwiki.com/1367064/how_tarpaulin_can_save_you_time_stress_and_money