Poly Tarps aren't ideal for masking things that involve breathability simply because poly tarps don't have sufficient space amongst their particles to allow the passage of air. Try to look for tarps which has a substantial wind rating that could deal with gusty circumstances. Also, ensure the tarp has grommets https://claytonzaxtj.wikicommunications.com/5447662/the_smart_trick_of_izmir_awning_that_no_one_is_discussing