before using leylands alkali resisting primer
Ensure surface to be painted is sound, clean, dry and free from grease.
Rub down the bare timber surfaces with dry glasspaper to remove raised grain and sharp edges.
Avoid the inhalation of dust.
Wear a suitable face mask if dry sanding.
Apply Knotting Solution to knots and resinous areas, and allow to dry thoroughly. Special precautions should be taken during surface preparation of pre-1960s paint surfaces over wood and metal as they may contain harmful lead.