You will have seen the straplines ' Straight out of the tin' However this doesn't mean that you can 'splash it all over' and it will work.
Care and attention in application is required to ensure that you achieve the optimal thickness of finished membrane.
Recommendations are for a 1.2 -1.3 mm finished product - How do you achieve this?
The best way is to mark your roof out in grids. Guidelines indicate that a 5 kg tim will cover 3 sq m and a 15kg tin 10 sq. m. and so forth.
Installation experience will bring an understanding here as you go, but common sense dictates that if you've marked out an area and you've run out of liquid before it's all covered it may be a little too thick and vice-versa if you've got too much left in the tin.