Adhesive seemed poor, no idea of time needed for application.
The flat roof membrane seemed fine enough from this company. However the adhesives were pretty bad, they didn't seem to stick all that well. The only advice Firestone seem to provide is to 'wait until tacky' which is how long exactly??? The adhesives supplied never really seemed to get all that tacky at all, both the white roll on deck in a large tin adhesive and the spray on green adhesive. Some rough idea of how long I am supposed to wait would be handy, am I supposed to guess??? After all they make the product not me, how am I supposed to judge when it is tacky enough to lay the surface? (Nothing on the tin/can to specify how long) Personally I am doubtful whether their adhesive are good enough for the job. I just about managed to get enough stick overall but the job doesn't look all that great, bits that haven't stuck well enough here & there. Personally I would go on the lookout for another supplier with a better adhesive (hopefully) or at least with an idea of how long to wait before application time over again.