Wall preparation4 min read
Filling to Q1–Q4: which surface quality for which wall?
Plastering and drywall quality levels Q1 to Q4 explained: joint filling, Q2 standard, Q3 pore closure and full-surface Q4 skimming under raking light.
Blog & guides
Wall filling & preparation
Wall filling & preparation: practical tips and answers to frequent questions.
← All articlesWall preparation2 min read
Checking an old wall: will the surface hold?
Wipe test, scratch test, tape test: how to check whether an old wall can take new paint or filler, and what to do about distemper.
Wall preparation2 min read
Filling wall plug holes when moving out without visible marks
How to fill drill and rawlplug holes properly before flat handover: pull plugs, apply filler, sand flush, spot-prime with deep primer and paint evenly.
Wall preparation2 min read
Cracks in the wall: harmless or a warning sign?
Hairline crack, joint crack or settlement crack: how to assess, monitor and properly repair cracks in walls and ceilings.
Wall preparation2 min read
Filling: how smooth should the wall be?
Q2, Q3 or Q4: why a small sample area before filling settles how smooth the wall will be, and how to judge it properly.
Wall preparation2 min read
Patch repairs or skim the whole wall?
Spot repairs or full skimming: when each solution makes sense and why repairs sometimes still show through.
Wall preparation2 min read
Before painting: checking the filled wall
After filling and before painting is the best moment for a check. What matters and why raking light is allowed at this stage.
Wall preparation2 min read
Edges and joints: where cracks appear
Wall and ceiling, window reveal, door frame: why joints crack, when acrylic rather than silicone is right and how to get clean edges.
Renovation4 min read
Renovating a flat and preparing it for handover
Renovating a flat before handover, re-letting or sale: the right sequence for clearance, filling, painting, wallpapering and final post-construction clean.
Renovation4 min read
Preparing walls for painting: check, fill, prime, protect
How to prepare walls for painting: test the substrate, fill plug holes and acrylic joints, apply deep or stain-blocking primer and mask with fleece.