Sealing of the edges
The edges of plywood panels coated with special paint are sealed at the factory. It is very important that panels edges are kept sealed. They should be re-painted after cutting to prevent water from entering the panel.
Sealing of drilled holes
Newly drilled holes have to be sealed properly to avoid penetration of water.
The surface should be cleaned immediately after the detaching the board from the concrete surface.
Film-faced plywood can be cleaned with conventional solvents or with water and a suitable natural brush (not metalic).
Film-faced plywood surface should be properly cleaned before stored.
Panels should be dried slowly and fully before storing.