Hypalon patching questions...

I have two questions about patching...advice would be super helpful.

1. We have the hyside repair kit which comes with the appropriate patch material BUT it’s got a silky fabric on one side. Do I peel this off before patching, or is this a part of the material? Photos below.

2. The instructions are very specific about humidity - 55% or below. We live in Seattle where the humidity this time of year hovers right around 60% and is rarely below 55%. Do you think this just extends the...

Hypalon patching questions...