I'm not familiar with Tremco, so I suspect I'll have to Google it soon. The two websites I looked at for the vapor barrier material both showed using a polyurethane adhesive that comes in a caulk tube to hold the material to the walls. I bought several tubes this past weekend. The websites and the adhesive instructions still call for mechanical fastening while the adhesive cures {24 hours}. They show drilling 1/4" holes in the blocks every foot or so and sticking in a little plastic fastener.
The fastener looks like something you'd find holding upholstery trim panels in place in your car.
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