(1) After installing the prefabricated gutter, clean the cement surface of the parapet above the gutter and apply the base treatment agent.
(2) After the primary treatment agent is suspected to be solid, install the flooding plate to ensure that the installation is firm and tightly integrated with the wall.
(3) Wipe the flooding board clean, and paste the single-sided aluminum foil Yongxing tape at the joint between the flooding board and the cement wall, and press them in order to make the bonding firm;
If you use 80mm wide single-sided aluminum foil tape, you don't need to use the flashing board.
