I've had an ATN Dorcap for almost 10 years and it lives on
deck in sub-30N latitudes almost all the time. I recently replaced, as the prior is getting a bit tired but is still working
Not
cheap and rightfully so (it's a complicated fabrication) but unlike the BB it will keep even fairly heavy rain out when the
hatch lid is opened to below the height of the baffle. Light rain, you can keep the
hatch fully opened. The instructions call for installing fasteners to your
deck but if you put some thought into it you don't have to do that; I have figured out how to tie mine down instead.