3.5 ounces should cover 1-sq. ft. of patch (both surfaces), with 3 thin coats.
Look for plastic mixing cups at paint or hardware stores. They have volume markings that let you measure the right amount of glue. You can also do a web search for "graduated plastic mixing cups."
We use Clifton Hypalon Adhesive to bond Hypalon to Hypalon, but this adhesive may also be used to bond other synthetic rubber materials, like neoprene and EDPM.
Shelf life: 1 year
WARNING: This product can expose you to Toluene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. More about California Proposition 65 »