: I am not sure whether I read it at Guillemot sites, but I did read an opinion
: that said DON'T make bulkheads of a solid type such as strips as this
: creates a hard spot if you run over a rock. Better to use a softer
: bulkhead that gives.

: Also, if one makes a bulkhead with a tight seal, what happens in if one
: leaves the kayak in the hot sun. BOOM? As a windsurfer, boards these days
: have screw seals to release hot air. Is some kind of air release valve
: available for kayaks?

: One of my kayaker friends said he was worried about condensation in his
: sealed bulkheads. ?????

Here is another option to consider. The beveled edge is easier to install and eliminates concentrated stress. Can be as light as 3 oz. This is what Sterling Donalson is putting in the Ice Kaps and Illusions.

On the pressure build up question, someone on this board came up with the brilliant solution of a miniscule tube that is low on one side of the bulkhead and high on the other. The more common solution is to drill a hole less than .040" (#60 drill) at the center of the bulkhead or any small hole plugged with a cord will let pressure equalize. If only hatch covers were good enough to make this a more common problem.

Reg