DIY Guide: Waterproofing Parapet Walls
A step-by-step DIY guide to waterproofing parapet walls
STEP 1: Repair and fill any cracks with Polycell Ready Mixed Crack Filler or Polycell Masonry Patching Plaster. Remove all old and peeling paint with a Hamilton’s scraper or by sanding.
STEP 2: Prime the surface with Plascon Plaster Primer.
STEP 3: Apply Plascon Multiseal with a Hamilton’s brush or roller and build up to a thickness of 1mm in 3 coats. Allow 4 hours drying time between applications.
STEP 4: Finish with your chosen topcoat, such as Plascon Wall & All or Plascon Micatex.