... waterproof performance and aging-resistant capacity.It does not drip in high temperature, nor ... high to low, far to near at the same height;start the spreading ... should not be less than 100mm; for double waterproof layers, it should not be less than 80mm.If lapped along shorter lines, for single waterproof layer, it shall not be less than ... ,°C-10-20-10-20no cracknote:No.1-6 are obliged to be tested.APP ...