Clean the surface dust free. Debris, dirt and surface area must be dried in the corner areas
interface between the floor and wall of all aspects to do lotus, cement, sand, 5x5 cm. Do the tilt angle 45 degrees
.Check and clean the water holes FLOOR DRAIN
TA liquid foundation (DERMAPRIMER) applied on the surface all around and leave to dry
.The installation must spend the heat blow back of sheet waterproofing by melt regularly together throughout the sheet waterproofing
.To make sheet waterproofing. Each sheet splice side about 10 cm and the head and the ปลายแผ่น about 10 cm. Then sealed away by the smoothing with hot crab up wall, wall surrounding the about 15 cm.
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