: I got a spray skirt given to me the other day, and since I don't
: have one and want to learn to roll this is a good thing.
: The boat I have is a guillemot with the standard size coming, I
: believe it is 30x17.
: The spray skirt is a brooks neoprene and the size on the tag says
: " for cockpits 35x19.5"
: I have tightened the bungee as much as I can and it is a tight fit
: front and back
: The center of the skirt, like above my lap is droopy, and if I push
: down on it I can pop the sides off the coaming.
: is the center supposed to be tight side to side?
: I don't know anything about how a skirt is supposed to fit or how
: tight it should be along the sides on the coaming, so I would
: like some knowledge instilled on me if you all don't mind.
: I have not been on the water with it on the boat yet.

Check out Duane Strosaker's instructions for making a sprayskirt:
http://www.rollordrown.com/kayak/skirt.html

You already have the tunnel joined to the deck, so just follow Duane's method for sizing the deck to your coaming, and you should be fine.

Getting the sides of a spraydeck to 'grip' properly can be a challenge, even if the spraydeck fits properly.