Preparation
Surfaces must be clean, free of resins, oil, old weathered coatings and dust. Sand surface smooth using the right sandpaper for the task.
► Stone, plaster, concrete, cement, brick:
Apply 2-3 coats of POLACRYL 302 depending on the absorbency of the stone support.
► Old stone with mildew, insects, algae:
Remove weathered coats, sand and remove sanding residue. Wait for 24 hours (until the surface is completely dry) and apply 2-3 coats of POLACRYL 302 depending on the absorbency of the stone.