Quote: (Originally Posted by
lizardland)

It'll fall off.
Bostik 2402 or the two pack contact adhesive they sell in chandlers for repairing RIBS (usually advertised as hypalon adhesive) is the stuff you want. DON'T use Aquasure or anything like that. Clean both surfaces with a safe solvent (choose wisely...), depending on the surfaces it may need roughing a little to provide a key. Put the pocket in place, draw round with some french chalk. Mix the glue and apply a layer to both surfaces (inside the chalk line). Let it dry. Apply another layer. Let it dry(ish). Then push the pocket in place. It's contact glue so it will stick instantly, getting it wrong means a LOT of cleaning. Press it down with some sort of roller, end of a screwdriver handle, etc., to get a good surface contact. Leave it 24hrs and that's it.
Empty suit. It's contact glue so it sticks where it touches. If you're wearing the suit then you'll cock it up and you only get one shot.
Good luck.
I'll add a couple points:
1. Tape the outline of the pocket on the suit in masking tape. Keeps the suit clean beyond the footprint of the pocket. (This is particularly important if you never learned to stay inside the lines in grammar school

)
2. When working with large areas of contact adhesive proper positioning is often hard to acheive, and you have one chance to get it right.
There is a way to improve your chances. Dried, ready to assemble contact adhesive only sticks to itself, not to surfaces without glue.
You need a sheet of almost anything, card stock, like the back of a pad of paper, or a thin plastic sheet, etc. I've used a piece of sheet metal with good results.
Lay this sheet over the prepared area on the suit, leaving only one edge exposed for about 5-10mm. This allows you to stick down this first edge straight and square. Now just slide the card stock etc. out the other side as you continue to press the pocket to the suit. Much greater control, works like a charm.
Good luck,
Tobin