Oh man!! Never cover them! You just trap in humidity and breed mold and mildew. Let the rain warsh away your sins! Thats just mother nature hoooking you up with a little foliar.
Yep thats what my pops was saying but we got pissed on good, he said a free foliar feed. we kind of have a structure old school like you, all bamboo, check your bamboo by the way if you get rain ive seen black molds on the bamboo its self