Wondering whether to replace the old aluminum window to new or spray paint it ?Need a new look of your windows colour by repainting with new coat and paint to the frame? Can we change the windows colour by not replace a new sets of windows are most common question by homeowner.
Most of windows and sliding door for home is made by aluminum material for HDB, condo/ apartment and land properties as the material is long lasting and coat in powder coated finishes which can last more than 20 years.
If your Singapore HDB or condo aluminium window frame looks:
- Peeling paint
- Oxidised and chalky
- Discoloured white patches
- Rust stains on joints
- Screw holes after removal of grille
- Glue stain ( tape or maxbond stain) after removal cover
- Scratches and faded coating
You don’t need replacement. You are consider to restore your aluminium window or door frame
Most commonly problems of existing aluminum windows and doors :
- Discoloring of paint finishes, especially facing west sun windows/ doors
- Staining by glue, tapes etc with existing decorative items
- Dislike the colour and unable to match the new themes of design
- Scratches and damaged or drills holes on the surface of aluminum windows or doors
- Faulty ironmongery ( like hinges, rollers etc) and damaged rubber gaskets due to wear and tear
- Leaking issues on the frames, glass etc to internally of house
- Drilled holes by the grille bracket or invisible grille support
- Rusty stain due to cut/ drilled holes
You need professional window frame repainting done correctly.
Why Aluminium Window Frames in Singapore Fail
Singapore’s weather is brutal on aluminium frames:
✔ High humidity
✔ Heavy rain
✔ UV exposure
✔ Poor previous workmanship
✔ Wrong type of paint used
Most failures happen because:
❌ Normal wall paint was used
❌ No proper sanding
❌ No etching primer
❌ Surface not degreased
Aluminium requires a special bonding process.
What Is Aluminium Window Frame Repainting?
Window frame repainting is a surface restoration process where old coating is:
- Stripped or sanded down
- Treated for oxidation if any
- Applied with metal primer
- Coated with industrial-grade paint (PU or epoxy system)
Done properly, it can last 5–8 years or more.
When Should You Repaint Instead of Replace?
You should repaint if:
- Frame is structurally sound
- No severe corrosion
- Hinges and mechanism still working
- Only cosmetic deterioration
You should replace if:
- Frame is bent
- Severe rust damage
- Water leakage inside frame
- Safety risk
Most Singapore cases?
Repainting is enough.
Common Mistakes Homeowners Make
🚫 DIY spray painting without sanding
🚫 Painting over oxidation
🚫 Using interior wall paint or wrong type of paint ( e.g. Can Spray Paint)
🚫 Skipping primer
🚫 Use brush paint method instead of spray paint machine
🚫 Painting during wet weather
These cause peeling again within 6–12 months.
Change or Repainting and Which is better Option?
Many homeowner is wondering when come to decision to change a new windows or to repainting with new coating. Let’s explore and consider the criteria when you decision the option for repainting it:
- Ages of windows : The condition of windows frame and ages of windows are main concern. If the windows frame are too bad in condition, ironmongeries area required to be replaced, frame are damaged or dented, the repair cost + repainting cost become excessive and not economical.
- Renovation or Occupies : The timing is another important consideration. The idea situation either to choose replacement or repainting is when your unit is under renovation. Either option will generate dust, noisy and site constraint are the keys. The best timing of repainting of your windows or doors are before you complete the painting of wall/ ceiling, flooring and carpentry. This is because the repainting process will generate a lot of flying particulars and need a lot of protection and might stain the existing completed items ( eg. fittings, windows film, carpentry, furniture etc.) which is not easy to be removed.
- Full height windows or curtain windows : The cost of replacement of new windows will be costly and hassle to replace it as it will require to have PE design/ submission, engage licensed builder and windows contractor and longer time needed and higher cost needed when compare with repainting it.
- Dislike the colour of Aluminum Window and Door : The existing design is not matching the themes of renovation design, and existing frames are new and in good condition. Repainting it will be cheaper option if compare to replacement, however, the repainting work is only available to apply to internal side of frames, exclude intermediate frame and external side due to site constraint.
- Damages and Wear and Tear : If existing windows are damages ( eg. ironmongeries faulty, leaking issues, damages and beyond touch up etc), repainting it will not solve or improve the situation of existing windows. You may best to consider to replace it and repair it if it is minor. You may consider to replace all the movable panels and repainting the fixed framing if it is not easy to replace. The combines option is the alternative solution.
- Quality of Finishing Expectation : The method of on-site spray repainting is using Epoxy or PU Paint like similar to body car repainting process. However, the quality of finishing and durability is not able to compete with powder coating in factory ( closed and control painting method and oven curing process). If you are looking for perfect finishing, you are advise to replace a new set instead of repainting it. The on-site painting method have many site constraint, protection constraint, uniformity of paint mixing and subject to site spraying skills will be varies and commonly have some limitation of the colour tonality and edge perfectionist limitation issue. If you are very fussy of the details of painting quality, don’t choose repainting.
- Long Lasting of Paint : Spray painting is not as last compare with powder coating painting in factory. However, the spray painting using Epoxy or PU paint which is as good as car body painting, where it will be a better option compare using normal fast dry paint or enamel paint. The spray paint with PU paint is easily last more than 5 years exclude damages or discoloring. The repainting is ideas when the condition of existing aluminum frame is in good condition and in full height/ big framing when compare to replace it.
- I am staying and occupies : If you are looking to improve the look of aluminum window or door frames but you am staying in yet look to repaint it windows/ doors. This might not suits you when :
- Can’t tolerate and allergic with paint
- House is full of stuffs, not able to relocate, shifting of obstruction to windows
- The windows glass are coated with solar shield or solar films. As the protection may not be 100% and might be stained, unless you are plan to replace a new films
- Carpet flooring, expensive stuffs that may in risk when stain with paint. We are only offer limited protection and not able to provide ” full proof” of protection during spray painting process. We will not liable for any damages and risk to stained your existing properties.
- Cleaning of paint droplets and damaged of wall or ceiling painting is required by the owner. If you are not able to arrange for extra cost for cleaning and repainting of wall and ceiling, you may need to consider to replace the whole windows frame instead of spray paint the windows.
- The spray painting work may take up for a few days and inconvenience during the work process. If you are difficulty to arrange for “staycation” somewhere for the renovation, this might not be an option.
- Do take note the touch up work for existing wall or ceiling or flooring painting may be stained by spray painting work. Additional cost to be imposed or owner to arrange their own painter.
- Existing Windows Grilles and Invisible Grilles : The existing of windows grilles or invisible grilles are required to be removed prior for spray painting work to the windows frame or fix panel. This is because, the obstruction of the grilles may cover part of the windows and may affect the painting. The grilles or invisible grilles can not the fully protected when painting and need separate arrange to dismantle and reinstallation. As for old aluminum grilles are basically is in round edges, spray painting is not suitable to do it on site and better in factory can have hang and spray paint or sides at one time.
Cost of Window Frame Repainting in Singapore
Pricing depends on: ( one side or both sides)
- Number of panels
- Frame condition
- Height accessibility
- Condo vs HDB
- Colour change required
- Need scaffolding or scissor lift
Average range in Singapore:
$300 – $1,200+ depending on size and complexity.
(Exact quotation requires site assessment.)
Why Window Frame Repainting Is Popular in Singapore
✔ Much cheaper than replacement
✔ No hacking required
✔ No noise complaint issues
✔ Faster completion
✔ Improve resale appearance
✔ Improve aesthetic after renovation for the home
✔ Refresh old unit before rental
Especially useful for:
- Resale HDB preparation
- Condo handover refresh
- Rental property upgrade
- Buy resale property and start renovation
Q & A for Spray Painting of Aluminum Windows
Common questions when you choose to spray painting the existing aluminum windows or doors.
Q1. How long does aluminium window repainting last?
With proper primer and coating, typically 5–8 years depending on exposure and maintenance. The paint warranty by the manufacture is 5 years. The paint can be last more longer on internal, for external facing to weather, the discoloring of shinning will be affected whether is direct west sun or leaking issue.
Shorter warranty will be given if existing frame has been “painted” by others type of paint over powder coat finish and need our restoration.
Q2. Can you repaint powder-coated aluminium?
Yes, but it requires prepare the surface and apply primer to ensure adhesion. Use epoxy or PU paint for the finishing coat.
Q3. Is it better to repaint or replace window frames?
If frame structure is intact, repainting is far more cost-effective than full replacement.
Q4.How long does the job take?
Usually 1–2 days for standard HDB unit for one set of window and 3-4 days for 3-4 sets, depending on size.
Q5. What methods for the painting work?
Brush paint or spray painting methods can be used. For best finishing, we are using spray painting with compressor machine and spray gun to carry out the spray painting work. For localise touch up, brush paint is adopted for the minor touch if needed.
Q6. What type of Paint use for window repainting?
We mostly use PU paint with one coat of primer coat to all internal or external aluminum frame. In some case epoxy paint can be used too. Matt finish will be recommended for the paint unless owner have other request.
Q7. Can I choose Colour Paint for window repainting?
Yes, you can choose mostly RAL colour available or common Nippon/ Dulux catalogue that match your design theme. For best matching to existing colour, do obtain the existing colour code from the existing windows supplier or from the MCST.
Q7. When is the best time to do the window repainting?
The Best timing is to carry out during renovation of your house, the ideas timing is after the hacking work and wet work and before complete the painting work to wall/ ceiling, carpentry work, flooring.
If you missed that, for after renovation or moved in, extra protection will be charged separately subject to survey. For special protection to personal items, do consider your own protection.
Why Choose 9reno for Window Frame Repainting in Singapore?
✔ Experienced in surface restoration
✔ Proper industrial-grade coating system
✔ No shortcut primer process
✔ Clean masking & protection
✔ Honest site assessment
We don’t just paint.
We restore properly.
Contact 9reno.com
Need professional window frame repainting in Singapore?
Contact 9reno for proper aluminium surface restoration and honest advice.
Avoid peeling paint again.
Restore it once — restore it right.
Contact 9reno.com today.
Get a free quotation from our team. WhatsApp us and discuss further.
Past Completed Aluminium Window Frame Repainting Projects in Singapore
Over the years, 9reno has completed aluminium window frame repainting for various HDB and condo units across Singapore.
Below are some recent completed projects: click and watch the video
✅ HDB
- Blk 612 Elias Road, Pasir Ris
- 216c Bidadari Park Dr, Park View
- Blk 183 Jelebu Road, Bukit Panjang
- Blk 289 Punggol Arcadia, Punggol Central
- Blk 316 Anchorvale Link, Sengkang
✅ Condo
- Symphony Heights , Hillview
- Tree House, Chestnut Ave
- Centris, Jurong West
- Seasons Park , Yio Chu Kang
- Mayspring, Bukit Panjang
- Parc Centros, Punggol
- The Rivervale, Buangkok Drive
- The Trevose, Bukit Timah
- Changi Green Condo, Upper Changi Road
- Vacanza @ East, Kembangan
✅ Landed/ Commercial
- Agilent Technologies Singapore, Yishun
- Joo Chiat Place
- Nim Drive, Seletar
Areas in Singapore We Serve
We provide aluminium window frame repainting across:
- Tampines
- Jurong
- Woodlands
- Punggol
- Sengkang
- Yishun
- Bedok
- Bukit Panjang
- Hougang
- Central & Condo Districts
(And other parts of Singapore upon request.)
Others Related Services
Watch video how the spray painting of windows ? ( Click )
Others Related Work that Worth Exploring :
- Dismantle and Disposal Works
- Removal of Wall Paper
- Cement Screed Flooring
- Intumescent Paint
- Repair Vermiculite Fireproofing Coating
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