Can anyone give actual set times with gb1 please gonna chuck a few bags over board work to see how it is but read somewhere it supposed to be left for 90 minutes before it's 2rd coated
Approx 45-60 min between two coats. The first coat should be dry but not too much. For example if you apply the second coat one day after the first, you should wet the surface before apply the second coat.
For example we apply one coat then wait from 45 to 60 or more time, than the second coat (with new mix) is mixed with a little bit more amount of water. First coat is applied in vertical line, the second coat is applied in horizontal line. Optionally you could apply a third coat (very thin) mixed more water in order to obtain a very very smooth and shiny surface.
Also we never use a sponge on Plastex GB1, only an “american” trowel:
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