Leaking Windows in Singapore HDB or Condo? Here’s What You Really Need to Know – and How to Fix It Fast Before Water Wrecks Your Home
Introduction
Water dripping through your window frame during Singapore’s heavy rain? That’s not just annoying – it could be the start of serious damage to your home or office.
Leaking window frames are more common than most homeowners think, especially in older HDBs, condos, and landed homes across the island. And if left unchecked, that harmless-looking trickle can lead to mould, warped walls, electrical hazards, and costly renovation work.
In this guide, we’ll cover:
- What causes window frame leaks in Singapore
- How to identify the warning signs early
- What kind of damage you can expect
- How to fix it properly (and avoid repeating the problem)
- Why 9reno is the go-to expert for window repair and sealing services in Singapore
1?? Common Causes of Window Frame Leaks in Singapore
Singapore’s high humidity and frequent rainfall put window frames to the test. Here are the most common causes of leaks:
? a. Cracked or Worn Sealant
Over time, sealant (also known as caulking) around your window frame breaks down, especially with sun and rain exposure. This creates small gaps that let water seep in.
? b. Poor Installation
If your windows were installed without proper sealing, even new units can leak during heavy downpours.
? c. Damaged Aluminium or uPVC Frames
Corroded aluminium or cracked uPVC frames create points where water can easily enter.
? d. Clogged or Misaligned Weep Holes
These tiny drainage holes at the bottom of your frame help expel rainwater. If clogged, water gets trapped and starts leaking into your home.
2?? Telltale Signs Your Window Frame Is Leaking
Look out for these early warning signs before major damage sets in:
- Water stains or bubbling paint on the wall near windows
- Black mould forming along the window edges
- Rust or corrosion on the window frame
- Musty odour from trapped moisture
- Pooling water on the window ledge after rain
- Peeling wallpaper or warped wooden skirting boards nearby
? Tip: Take photos or videos of the leak in action – they’ll be useful when engaging a professional like 9reno.
3?? Dangers of Ignoring a Leaking Window Frame
Window frame leaks aren’t just a cosmetic issue. In Singapore’s tropical climate, moisture can spread quickly and lead to:
- Mould infestation – posing health risks, especially for children or elderly
- Structural damage to surrounding walls, ceilings, and floors
- Short-circuiting electrical points near windows
- Rising repair costs the longer you delay
What starts as a minor leak today could lead to thousands in renovation costs tomorrow if not handled properly.
4?? DIY Quick Fixes vs Professional Window Frame Repair
You might think a little silicone from the hardware store will solve the issue. But DIY attempts often fail to address the root cause.
Here’s why professional help is better:
DIY Sealant:
? Temporary fix
? Doesn’t fix internal frame damage
? May trap water if wrongly applied
? Professional Window Leak Repair (What 9reno Offers):
?? Leak source investigation
?? Frame resealing with industrial-grade waterproof sealants
?? Replacement of worn gaskets, foam tape, or broken hinges
?? Drainage channel cleaning and realignment
?? Optional repainting or wall repair after leak stoppage
5?? The 9reno Process – How We Fix Leaking Window Frames
At 9reno, we specialise in restoring and waterproofing leaking HDB, condo, and landed property windows across Singapore. Here’s how we do it:
- Inspection & Leak Detection – We check the window frame, corners, sealant, weep holes, and wall interface.
- Sealant Removal – Old or cracked sealant is removed cleanly to prevent residue buildup.
- New Sealant Application – High-performance, waterproof-grade sealants applied precisely to gaps and frame joints.
- Internal Repairs (if needed) – Resealing gasket lines, hinge realignment, or corrosion removal.
- Other Methods – Case to case based on different scenarios
- Testing – Water testing to ensure 100% leak-proof results.
? Bonus: We always clean up after the job – no messy residue left behind.
6?? How Much Does It Cost to Fix a Leaking Window Frame in Singapore?
Prices vary depending on:
- Number of windows affected
- Type of frame (aluminium, uPVC, wood)
- Severity of leak and interior damage
- Need for repainting or mould treatment
? Typical rates range from $250 per window for full resealing and leak repair. Contact us for a no-obligation quote.
7?? Why 9reno is Singapore’s Trusted Window Repair Specialist
?? Proven Expertise – We’ve fixed leaking window frames in hundreds of HDB flats, condos, and landed homes islandwide.
?? Weatherproof Solutions – Our sealants are specially chosen for Singapore’s tropical storms and high humidity.
?? Fast Turnaround – Most repairs completed within a day.
??? Skilled Technicians – Not just handymen – trained leak specialists with deep knowledge in frame integrity.
? Responsive Support – Quick WhatsApp replies, transparent pricing, and detailed advice before & after service.
? Need to Repair Your Leaking Window Frame in Singapore? Call 9reno Today!
Don’t wait for the next heavy downpour to find out your window frame leak has gotten worse. Water damage spreads fast in Singapore’s humid climate. Let 9reno inspect and repair the issue once and for all.
? WhatsApp 9reno today for a free consultation or photo assessment.
? Serving all of Singapore – HDB, condo, office, and landed properties
? Further Reading:
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