Wallpaper Installation in Kowloon

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 — paste-the-wall (non-woven) papers skip soak time, hang faster and strip dry in full sheets later. Most modern papers use this backing. Traditional paste-the-paper and delicate materials like grasscloth still reward a professional hand.

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.

Installers price per roll, per square metre, or per day. Labour usually lands between half and the full cost of the paper itself — and premium papers (grasscloth, murals, wide-width vinyls) cost more to hang because mistakes are expensive. Removal of old paper is always quoted separately.

Look for installers in Kowloon 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.

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.