Wallpaper Installation in Sau Mau Ping

A single feature wall is usually half a day; a full average room takes 1-2 days including prep. Add time for stripping old paper (half to a full day per room), wall repairs, and drying between prep coats.

Stripping is typically priced per room or per hour and depends entirely on what's underneath: modern non-woven papers peel off dry in minutes, while old glued layers over unsized walls can take a full day per room with steamers and leave repairs behind.

Yes, and prep is most of the outcome. Walls need to be smooth, clean, primed/sized, and uniform in colour (dark patches ghost through pale papers). Fresh plaster must fully dry and be sized first. Ask whether prep, lining paper, and primer are in the quote.

Yes, with the right product — vinyl and washable papers handle humidity, and some installers seal edges with clear varnish in splash zones. Avoid delicate uncoated papers near cookers and showers. Good extraction/ventilation matters more than the paper choice.

Look for installers in Sau Mau Ping who show seam close-ups in their photos, not just wide room shots — invisible seams and pattern matching at corners are the skill. Ask what papers they specialize in; grasscloth and mural specialists are a different tier from vinyl hangers.

Painted walls, yes, after cleaning and priming. Papering over old wallpaper is a false economy — trapped seams telegraph through and moisture can lift both layers. Strip first; installers quote removal as a separate line.

On well-primed interior walls with quality paste, no. The risk is external-facing and bathroom-adjacent walls where 回南天 condensation soaks in — seal those with moisture-resistant primer or choose washable vinyl papers there.