Glad to help friends ! I tried out a lots of things during the years, Tesa tape is also good ( and the price is good also ) but same problem as Montex, in my case Tamiya tape and sheet worked out the best so far, so as conclusion any of these products work fine on short time but for me as lazy as I am Tamiya is the right choice. As far as Tesa and Montex is concern glue it first to some clear and smooth surface ( glass is best ) and glue it off several times ( 2-3 times ) it usually helps to take some glue of the mask but still enough to glue it to the model