3M Stamark A715 Roadmark Blanking Tape Black - 254mm x 36.5m RollThis black 3m Stamark tape is the ideal product for masking over existing road markings temporarily whilst works are being carried out. The back of the Stamark is self adhesive, it uses an aggressive pressure sensitive adhesive, which firmly sticks to the road surface and original markings. Once laid down the old line markings cannot be seen as the Black Stamark is very opaque. This relieves any confusion for traffic passing through the site as the