I followed the directions in Building the Greenland Kayak for building the float bags but glued the vinyl instead of getting heat sealing fabric.

The process is pretty easy. Measure the void to be filled with the float bag. You will need the circumference of the hull on both ends and the length of [...]

It was 105F in the shed when I got home so I didn’t get too much done.
I glued some extra fabric to the bow and stern and pulled out some more of the wrinkles. Then stapled the skin to the gunwales and cut the excess loose.

I started working on the float bags but it [...]