How often should façades be cleaned in Singapore?

Singapore's tropical climate, persistent rain, vehicle pollution and coastal humidity conspire to dirty façades faster than almost anywhere else in Asia. The right cleaning cadence protects the asset, preserves brand perception and extends the life of your façade substrate.

Glass façades

Glass in the CBD benefits from quarterly cleaning. In Marina Bay and coastal areas, quarterly is mandatory — salt deposits etch the surface within months if untreated.

Stone façades

Stone — granite, marble, limestone — tolerates softer chemistry and benefits from cleaning every 6 months. A bi-annual regime prevents biological growth and keeps the surface sealed.

Metal and aluminium cladding

Aluminium cladding should be cleaned twice a year using neutral-pH chemistry. Avoid acidic cleaners that dull the anodised layer.

How to budget

Annual facade maintenance typically costs 0.05–0.15% of replacement value. The most expensive decision is to defer maintenance — a 5-year delay can multiply lifecycle cost by 4x.