How do I know it's condensation and not a leak from upstairs?

Condensation is worst overnight when the aircon has been on for hours. A leak is worst during rain or constant regardless of aircon. If unsure, WhatsApp us a photo — we'll tell you.

Do I need to inform HDB or MCST?

No. Shield22 Pro is applied to your own ceiling on your own side. No permits required for interior anti-condensation coating.

Will the coating change the look of my ceiling?

Finishes matte white; can be over-painted with any water-based ceiling paint. Most clients don't repaint.

What if my neighbour turns off their aircon later?

Coating still works. Warranty unaffected.

Can I paint over damp mould stains with Shield22 Pro?

No. If there's visible mould, we treat it first with standard antimicrobial then apply Shield22 Pro on top.

Anti-Condensation Cluster

Ceiling Condensation & Dripping in Singapore — Why It Happens and How to Stop It

Waking up to a wet ceiling — or worse, water dripping onto your bed — is a common Singapore complaint. It's not always a leak. In HDB and condo bedrooms with aircon, ceilings can drip from pure condensation when the slab is colder than the room's dew point.

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Condensation or leak? Diagnose in 60 seconds

Three quick checks: (1) When does it drip? Condensation is worst overnight after long aircon use; a leak is constant or worst during rain. (2) Where is the wet patch? Condensation forms in cool corners and above furniture blocking airflow; a leak follows the pipe or slab crack. (3) Is the paint bubbling? Slow condensation causes flat brown staining; leaks cause blistered paint and mineral rings.

The physics: dew point in a Singapore bedroom

Singapore outdoor humidity averages 80–90%. A bedroom at 25°C and 75% RH has a dew point of 20.4°C. Any ceiling surface below 20°C will condense. In HDB flats, the ceiling slab is shared with the flat above — if your neighbour runs their aircon hard, their cold slab becomes your cold ceiling.

Fix options ranked

Shield22 Pro thermal coating (from S$450 per HDB bathroom ceiling) raises ceiling surface temperature 3–6°C, no demolition, 5-year warranty. PU foam / rockwool insulation (S$1,200–2,500) works but needs false ceiling and reduces headroom. Dehumidifier (S$500 + S$30/mo) helps room-wide but doesn't fix the cold ceiling. Raising aircon setpoint from 22°C to 25°C is free — but you sleep warmer.

Shield22 Pro application

Half-day job for HDB bedroom ceiling. Sheet cover furniture; light sand; thermal-bond primer; two coats of Shield22 Pro at 500 microns each; cure and clean up — room occupiable same evening. 5-year condensation-free warranty.

Shield22 Pro — the coating that stops condensation at source

Thermal micro-ceramic coating that raises the surface temperature above dew point so airborne moisture stops condensing. From S$18/m². 5-year condensation-free warranty. Non-toxic, low-VOC, safe for occupied rooms.

See full pricing & warranty →

Related in the Anti-Condensation cluster

Frequently Asked Questions

How do I know it's condensation and not a leak from upstairs?: Condensation is worst overnight when the aircon has been on for hours. A leak is worst during rain or constant regardless of aircon. If unsure, WhatsApp us a photo — we'll tell you.
Do I need to inform HDB or MCST?: No. Shield22 Pro is applied to your own ceiling on your own side. No permits required for interior anti-condensation coating.
Will the coating change the look of my ceiling?: Finishes matte white; can be over-painted with any water-based ceiling paint. Most clients don't repaint.
What if my neighbour turns off their aircon later?: Coating still works. Warranty unaffected.
Can I paint over damp mould stains with Shield22 Pro?: No. If there's visible mould, we treat it first with standard antimicrobial then apply Shield22 Pro on top.