Common types of roofs
Pitched Roofs
Pitched roofs are inclined roofs with slopes, often forming a triangular shape. They are commonly seen in traditional and modern Singaporean homes. The slope allows rainwater to drain easily, which is particularly important in Singapore’s frequent rainfall. Pitched roofs can be covered with various materials such as tiles, shingles, or metal sheets.
Skylights and Roof Terraces
In some residential properties, skylights and roof terraces are integrated into the roof design. Skylights bring natural light into the interiors, reducing the need for artificial lighting during the day. Roof terraces provide outdoor spaces for relaxation and gatherings, making efficient use of the available rooftop area.
Concrete Flat Roofs
In Singapore’s HDB (Housing and Development Board) apartment complexes, flat roofs are often made of concrete due to their durability and cost-effectiveness. These roofs are commonly used as spaces for common amenities such as water tanks and air conditioning compressors.
What can I do if my roof is leaking?
Discovering a leak in your roof can be unsettling, especially in Singapore’s frequent rain. Taking immediate action is crucial to prevent further damage. Here’s what you can do before getting in a water leakage specialist:
Contain the leak
Homeowners can place buckets or containers under the leak to catch dripping water and it is advisable to monitor the frequency of dripping to determine the extent of damage.
Clear the area
Move furniture and valuables away from the leak to minimize potential water damage.
Self-inspection
If there is safe access to check the underside of the roof, such as via the false ceiling access panel, it is advisable to look out for tell-tale signs such as efflorescence, water streak marks, damp spots or signs of mould growth to trace and pinpoint the exact source of ingress.
Temporary Measures
If the leak is small and the roof is accessible via safe means, the homeowner can consider using a waterproof sealant or roofing tape as a temporary measure until a professional waterproofing contractor is able to address the issue, considering the need for quick solutions especially during rainy season.
How serious is a roof leak in Singapore’s climate?
In Singapore’s humid and rainy climate, a roof leak can lead to more immediate and severe consequences if not dealt with timely:
Structural Damage
Water infiltration can weaken the structural integrity of your roof, which is a concern in Singapore’s tropical rain.
Mould Growth
Accumulated moisture from leaks can foster mould and mildew growth, a common problem given the high humidity levels.
Interior Damage
Leaks can damage your home’s ceilings, walls, insulation, and electrical systems, leading to costly repairs in Singapore’s conditions.
Energy Efficiency
Water intrusion can affect insulation’s effectiveness, leading to increased energy bills as your air-conditioning systems work harder to combat heat and humidity.
Is it normal for a roof to leak in Singapore?
While no roof is completely immune to leaks, a well-maintained roof should not regularly experience leaks in Singapore. Frequent rains and high humidity can exacerbate existing issues, making regular inspections and maintenance crucial.
Tell-Tale Signs of Roof Leaks
Identifying the early signs of a roof leak can save you from extensive damage. Watch out for these tell-tale signs in Singapore’s weather:
Damaged False Ceiling
Water stains, blistering or flaking spots on your false ceiling can be signs of water infiltration from a roof leak.
Constant Dripping During Heavy Rain
If you notice consistent dripping during heavy rain, it’s a strong indicator of a roof leak that requires immediate attention. It is advisable to take note of the exact location of dripping (e.g. along roof tiles, or along the roof-and-wall joints under the roof flashing, etc.).
Musty Odours
The growth of mould and mildew due to leaks can lead to musty smells in affected areas.
Visible Water Stain
Brownish water stains on walls or ceilings are clear signs of water intrusion and potential leaks.
What are the causes of roof leaks?
Roof leaks can manifest in various forms in Singapore’s climate:
Defective or Misaligned Shingle
Cracked, misaligned or missing shingles can expose the underlying roof structure to Singapore’s heavy rainfall.
Defective Roof Flashing
Damaged flashing along the roof tile and wall joints, around vents or skylights can serve as areas of weakness and entry points for water, especially during rainstorms.
Clogged Gutters
Blocked gutters and downspouts can cause water to pool on the roof, a concern in Singapore’s frequent rains.
Flat Roof Problems
Ponding water on flat roofs due to insufficient gradient can increase the rate of deterioration of the roof waterproofing system, leading to eventual leaks into the internal spaces.
How to repair roof leaks?
There are several ways to go about repairing roof leaks such as the following:
Thermal Leak Detection
Professional water leakage specialists can use infrared thermal imaging to trace and pinpoint the probable sources of leaks, an efficient method in Singapore’s weather.
Sealant Application
Water leakage specialists may use waterproofing sealants suitable for Singapore’s humidity to patch gaps and cracks in the roof to prevent water leakage.
Fibre-Infused Waterproofing Membrane
In cases of larger leaks, a fibre-infused waterproofing membrane can be applied over the sealant to effectively prevent water leakage.
Replacement of Cracked or Defective Tiles
Cracked, defective, misaligned or missing roof tiles must be promptly replaced due to Singapore’s frequent rain that can exacerbate the problem.
Repair of Roof Flashing
Damaged or misaligned flashing should be promptly repaired to prevent water leakage into internal spaces.
In conclusion, detecting and addressing roof leaks promptly is essential in Singapore’s humid and rainy climate. Regardless if you choose to carry out a DIY approach or opt for a professional water leakage specialist’s assistance, understanding the seriousness of leaks and their potential causes empowers you to make informed decisions timely. Regular maintenance, inspections, and proper repairs, including techniques suited for Singapore’s weather, are key to keeping your home safe and dry. Contact us today and leave your water leakage concerns to us.