Singapore balconies are regularly exposed to heavy rain, humidity and standing water. When water cannot drain properly or the waterproofing layer becomes damaged, moisture can move into areas that are difficult to see.
Common balcony waterproofing problems include:
Water may enter through damaged waterproofing layers, cracks, joints or gaps around the balcony perimeter. The visible leak may appear some distance away from the actual entry point.
Water seepage can appear as damp patches, mould, peeling paint or discolouration on walls, ceilings or areas underneath the balcony.
If the balcony floor does not have the correct fall towards the drain, rainwater can remain on the surface. Persistent ponding increases the amount of time water remains in contact with the floor.
Cracked or deteriorated grout can allow water to move below tiled surfaces. However, replacing grout alone may not solve a leak when the waterproofing system underneath has already failed.
The junction between the balcony floor and wall is an important area to inspect. Movement, cracks or failed sealant can create pathways for water.
Water entering around the balcony door threshold can affect interior flooring, skirting and nearby walls. Threshold areas need careful detailing because they connect the external balcony to the internal space.
Blocked or poorly positioned drains can cause water to collect instead of flowing away. Drainage should therefore be considered together with waterproofing rather than treated as a completely separate issue.
An older waterproofing membrane can lose its effectiveness. Recurring leaks, dampness or water marks after rain can indicate that the existing system needs assessment.
These are also common problem areas identified across Singapore balcony waterproofing services, where contractors commonly inspect ponding, drainage, membrane failure, joints, grout and water stains before deciding on treatment.
Most of our balcony waterproofing services Singapore clients are HDB flat and condominium owners, where the balcony shares a slab with the ceiling of the unit below which is exactly why a small leak upstairs becomes someone else's problem downstairs, fast.
For HDB flats, especially older blocks, original waterproofing has often aged well past its working life. As an experienced balcony waterproofing contractor Singapore, we inspect, identify the failure point, and carry out proper balcony water seepage repair in Singapore, rather than just resealing the surface and hoping it holds.
For condominium units, condominium balcony waterproofing for MCST Singapore sometimes needs sign-off or coordination with the managing agent, particularly if the balcony structure is considered common property. We're used to working within those requirements, so the job doesn't get held up on paperwork.
For landed homes, balconies and roof terraces take more direct sun and rain exposure than sheltered units, so balcony waterproofing solutions Singapore for these properties
If you notice water leaking from your balcony into the room, dampness around the balcony door or water stains below the balcony, it is better to investigate the source instead of repeatedly repairing the visible damage.
Depending on the condition, the work may involve surface treatment, crack sealing, joint treatment, drainage correction, membrane replacement or a more comprehensive waterproofing system.
Commercial balcony and terrace waterproofing comes with different demands: bigger surface areas, tighter timelines, and less tolerance for shutting operations down.
We provide commercial balcony waterproofing Singapore for:
Commercial jobs are usually scheduled around your operating hours, and for property managers overseeing several sites, we also offer a balcony waterproofing maintenance contract for facility managers, so you're not just waiting for the next leak to show up.
You do not need to wait until water starts dripping through the ceiling.
Consider arranging a balcony inspection if you notice:
Catching it early is almost always a smaller, cheaper, less disruptive job than waiting until the leak has spread into the structure.
A balcony is constantly exposed to rain, humidity and changing weather conditions. When the waterproofing system becomes damaged or starts to fail, water can gradually move through cracks, joints, grout lines or other weak points.
If the problem is left untreated, moisture may reach the concrete slab, nearby walls or the area below the balcony. This can lead to damp patches, peeling paint, mould growth, damaged finishes and recurring water leakage.
Professional balcony waterproofing helps control water ingress before it becomes a larger property maintenance issue. It is especially important for commercial and high-rise properties, where a balcony leak can affect tenants, neighbouring units, common areas or business operations. Regular inspection is also useful for older balconies or properties that have experienced repeated leakage. Finding early signs such as water ponding, cracked grout, surface cracks or dampness can help property owners address the issue before more extensive repair work is required.
We don't quote a job without knowing exactly what's wrong first. Our balcony waterproofing inspection Singapore process typically includes:
This step is what separates a repair that lasts from one that leaks again in a few months waterproofing applied over the wrong spot, or without fixing an underlying crack or slope issue, rarely holds.
For minor leaks, we can sometimes carry out no hacking balcony waterproofing Singapore repair methods without full tile removal this is assessed case by case during inspection.
Protect your roof from rainwater ingress, cracks and ageing waterproofing systems with a suitable roof waterproofing solution for your property.
Water leakage from bathrooms and toilets can affect floors, walls and areas below. Proper waterproofing helps control water seepage in wet areas.
Cracks and gaps in external walls can allow rainwater to enter the building. External wall waterproofing helps address water ingress through exposed wall surfaces.
Not sure where the water is coming from? Our team can inspect the affected area and help you understand the most suitable waterproofing solution for your property.
Need a site assessment or quotation? Contact Aldisg to discuss your waterproofing requirements.
Every balcony is different in size, condition, and extent of damage, so exact balcony waterproofing price Singapore is confirmed after an on-site inspection. As a general guide, based on typical Singapore market rates:
| Service | What's Involved | Typical Price Range |
|---|---|---|
| Balcony leak inspection | On-site assessment and ponding test | Free with quotation |
| Balcony waterproofing (coating only, no tile removal) | Surface prep + membrane application over existing surface — small HDB balconies | From SGD $500 |
| Crack repair / joint sealing | Sealing cracks at floor, wall, or threshold joints | SGD $500 – $900 |
| Planter box waterproofing | Membrane application for attached planter boxes | SGD $500 – $1,000 |
| Balcony waterproofing (full — tile removal, membrane & re-lay), small/HDB balcony | Tile removal, screed correction, membrane, re-tiling | SGD $1,200 – $2,200 |
| Balcony waterproofing (full), larger or condo balcony | Full hacking, membrane system, re-screeding, re-tiling | SGD $2,000 – $3,500 |
| Commercial balcony / podium waterproofing | Larger-scale project, scheduled around operations, per sqm pricing | From SGD $30 – $70 per sqm, custom quote |
Actual prices vary depending on project size, balcony condition, waterproofing method used, and complexity for an accurate balcony waterproofing cost estimate Singapore, contact us for a no obligation quote. Prices quoted above are indicative market ranges and are confirmed exactly after a free site inspection.
Aldisg provides balcony waterproofing and water leakage solutions around Serangoon Road and nearby commercial and residential areas.
We also serve projects in and around:
For larger commercial projects, service availability can depend on the project requirements and site location.
If your property is outside these areas, you can still contact us with the project location so we can advise whether the work can be arranged.
5 years of hands-on experience as an aldisg balcony waterproofing contractor, working on residential and commercial projects across Singapore
Same-day service available for urgent leaks where scheduling allows
Emergency response for active leaks that need attention quickly
Professional, experienced team who inspect before they quote — see our aldisg projects for the range of work we take on
Transparent pricing — you know the scope and cost before work begins, no surprise aldisg waterproofing price changes mid-job
Workmanship warranty on completed aldisg waterproofing services
High customer satisfaction built on jobs that hold up, not just look finished
Reliable support for facility managers needing ongoing maintenance, not just one-off fixes
Residential and commercial expertise, from single HDB units to multi-unit commercial buildings
We'd rather explain honestly what's causing a leak than sell a quick coat of sealant that fails again by next monsoon season.
See how our systematic diagnosis, targeted membrane sealing, and professional re-tiling treatments resolve active water ponding and ceiling leaks across residential and commercial balconies in Singapore.
Severe water ingress caused by degraded grout lines and improper floor fall angle. Resolved with screed angle correction, polyurethane membrane installation, and precision re-grouting.
Rainwater seeping through balcony floor cracks and dripping into the neighbor's ceiling below. Repaired using non-hacking PU pressure injection and high-durability waterproof coating.
Genuine feedback and verified experiences from residential, commercial, and property owners across Singapore.
Aldi Construction works is very response and experience worker especially Renovation services and External painprinted by Rope access , Thnaks to Aldi Teams
The workmanship was excellent and efficient. The bed platform was built exactly as described, and the overall quality met my expectations.
They did an excellent renovation job for my Clan premise. Work includes installation of big ceiling Fan (replacement unit), strength staircase support with termite coatings and miscellaneous works for a reasonable price. Will certainly recommend to friends and those looking at this web review. 👍 👍 👍
Reliable handyman that I have used and recommend
HDB interior pairing good & satisfaction professional attitude
Professional service’s,good workmanship,and reasonable pricing. The team completed the renovation smoothly and on time. Highly recommended.
Pricing starts from SGD $500 and depends on balcony size, condition, and whether tiles need to be removed. We confirm exact pricing after a free on-site
A standard residential balcony typically takes a few days from tile removal to re-tiling, including drying time for the membrane. Commercial jobs vary by scale.
In some cases, yes, non-hacking methods can work for minor leaks. For larger or recurring leaks, tile removal is usually needed to properly access and fix the membrane underneath.
Heavy rain exposes weak points in the waterproofing or drainage that lighter rain doesn't reach, such as a slightly cracked joint or a drain that can't keep up with volume.
This usually means the original repair addressed the surface but not the underlying cause a crack, poor fall, or membrane that wasn't properly bonded to the slab.
A properly installed membrane can last many years, but exact lifespan depends on the material used, weather exposure, and foot traffic. Regular inspection extends its working life.
This depends on the lease agreement, but structural waterproofing is typically a landlord or MCST responsibility, especially where the balcony affects a shared slab.
Often yes, particularly if the balcony is considered common property. We can work alongside your MCST's requirements and documentation process.
Aldisg provides a workmanship warranty on completed jobs. Exact terms are confirmed in your quotation before work begins.
We carry out a ponding test flooding the surface with water and checking if it holds and drains correctly before the area is re-tiled or covered.
Yes. A blocked or poorly sloped drain can cause water to sit and eventually seep through grout lines or joints, even if the waterproofing membrane itself is intact.
For high-traffic or older commercial balconies, an annual inspection is a reasonable baseline, with more frequent checks for buildings with a history of leaks.
If your balcony is leaking, ponding, or you just want it checked before it becomes a bigger problem, get in touch with our Serangoon Road-based team for a free inspection and transparent balcony waterproofing Singapore quote.
