After the construction of the extruded board and the expansion nails are completed and passed the inspection and acceptance by Party A and the supervisor, apply a special interface agent evenly with a brush within 50mm of the expansion nail cap and circumference.

After the interface agent is air-dried, the top layer polymer mortar is used to level the nail cap. It is required that the position of the plastic expansion nails and the nail caps are leveled with polymer mortar, and the surface is level with the large extruded board.

Note: The purpose of this is to avoid that the top hat position is too thick due to the surface layer polymer bonding mortar, and the surface layer after survival will appear to Radom foam Manufacturers flow and shrink in the future.

After the polymer mortar at the position of the plastic expansion nails and nail caps is dried, apply the special interface agent evenly on the surface of the extruded board with a roller.

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