Im coming to two new conclusions.
Flapping the roof emt.
This membrane roof has come unattached from the roof deck and is no longer providing weather protection.
Superatv dark tinted roof for can am commander 800 1000 2014 installs in 5 minutes.
Sometimes wind and roof vents do not get along well.
This noise can get annoying but there is a remedy for it.
A s audio and shield designs can am maverick max 1000r 2 seater 1 4 roof 2013 2018 add to cart.
First i think you re right about the unsecured bottom of the roof panels being a risk in some winds based on your observations of the roof panel bottoms flapping up and down and bwrights experience of losing screwed down roof panels twice.
My roof is 30 tall.
Thats the first post ive seen about the loss of screwed down panels.
When using a breathable membrane it should be used with a specially designed starter felt that drapes into the gutter this is designed to not rot or flap in the wind the breathable membrane is then laid over the starter felt but stops short of being exposed to wind.
Trying to keep it low profile wife approved avoid it flapping in the wind and safe at the same time.
After some more cogitating i decided to simply make a pair of arches to dome the roof and add 2 more legs to support the roof.
The antenna cobweb is mounted at the apex using a 5 tripod and 10 electrical metallic tubing emt placing the antenna right at 40.
If you hear a banging noise coming through your bathroom vent when it is windy chances are that the wind is picking up the vent flap and then letting it bang closed.