Aluminium window frames can last between 7-10 years in most cases when professionally repainted. But the precise lifespan is dependent on a number of factors. The outcome can vary as a result of surface preparation, paint quality, coating system, UV exposure, weather exposure and regular maintenance.
One of the most frequently asked questions homeowners have about repainting their aluminium window frames is how long does aluminium window paint last in coastal areas? The great lifestyle perks of living near the ocean come with the same salt air, humidity and powerful sun that make it so appealing, yet can be a hardship on exterior surfaces.
Why Coastal Environments Are Tough on Window Frames
To determine how long aluminium window paint lasts, you need to know how coastal environments might affect paint performance.
The marine environment exposes homes to a variety of conditions that over time erode coatings. These include:
- Sea breeze salt
- High humidity levels
- UV exposure
- Random temperature changes
Lifespan of Aluminium Window Paint?
When the finish needs attention, it can be done with a professionally applied coating that can last approximately 15 years. Well-protected and maintained painted aluminium window frames can last for a longer period.
The life of each aluminium window is unique. A window in a protected area could last longer than a window that is in a strong wind, rain, wind and ocean-exposed area.
The following are the primary factors which influence the life of the product:
- Surface preparation
- Primer selection
- The quality of paint and coatings.
- Application method
- UV exposure
- Weather exposure
- Coastal conditions
- Window location
- Colour of the coating
- Cleaning and maintenance on a regular basis
How long does a painted aluminium last?
Eventually, a dulling, fading or worn-out look can form on the surface due to exposure to the outside elements. It is not always necessary to replace the aluminium window frames.
If the aluminium joinery is still structurally sound, then repainting may be an option. Correct surface preparation and coating can lead to many more years of service life.
Aluminium Window Repainting?
Aluminum window repainting is the process of preparing the existing aluminium window frames and then painting them.
This process can bring old aluminium joinery back to life and transform the appearance of a property without the need to replace the window system altogether.
Aluminium windows can be repainted for the following reasons:
- The colour is faded.
- The frames appear to be old or vintage.
- Scratches or marks on the surface
- Exterior in need of a facelift.
- Window frames are not a true match to the property’s style.
Aluminium Window Frames and Existing Finishes
With existing windows, choose aluminium window frames and existing finishes. Every surface is distinct and could necessitate a unique surface preparation.
Powder-Coated Aluminium
Exterior windows and doors are commonly made of powder coated aluminium. It is a coating that is applied to aluminium to provide a hard and durable finish.
Powder-coated aluminium can become dull over time with exposure to UV and weather.
In some instances, an appropriate repainting system can be used on an existing powder coated surface provided it is properly prepared.
If a coating already exists, it should be checked first. If loose, damaged or in poor condition, a different coating may need to be done, and it will need to be prepared first.
Anodised Aluminium
The surface treatment of anodised aluminium is somewhat different. Anodised finish forms a barrier on the aluminium surface.
The surface of anodised aluminium must be properly prepared to receive paint, or the new paint will not adhere to the surface.
This is one of the reasons why it is best to asses aluminium joinery before repainting. Preparation and primer can make a big difference to the final product.
Does Aluminium Window Painting Fade?
Yes, aluminium window paint can dull with time. The reason is UV rays. Many times, windows are directly in the sun for several hours a day.
The ageing process can be caused by UV radiation over time, which can impact the look of an exterior coating. Fading may be more pronounced in some colours.
Exposure to weather can also damage painted aluminium window frames. The coating can suffer from the effects of rain, the wind and moisture over time, as well as temperature changes and dust. Also, fading is a common process of ageing seen in exterior coatings.
Does Repainting Aluminium Windows Last?
Yes, the proper technique can be used to repaint aluminium windows for many years. Surface preparation is a critical step in achieving a long-lasting result.
Paint must have a clean and appropriate surface for it to adhere. Adhesion can be decreased due to dirt, grease, dust, loose coating, oxidation and other contamination.
When a new coating is applied over a poorly prepared surface, it could peel or fail significantly earlier than the coating’s design life.
A professional aluminium repainting job will take into account:
- The condition of the existing coating or coating layer.
- The type of aluminium finish
- Cleaning requirements
- Surface preparation
- Primer requirements
- The perfect coating process
- Application conditions
- The final finishes and curing.
- The importance of surface preparation.
Why Surface Preparation Matters
The surface needs to be prepared before applying the primer or paint. Depending on the condition of the aluminium, it can be cleaned, degreased, sanded, mechanically prepared or prepared in other appropriate ways.
The objective is to eliminate contaminants and establish a surface for adequate adhesion of the new coating system.
What Happens Without Proper Preparation?
There are a number of coating issues that can arise if it is not prepared properly.
These may include:
- Peeling
- Flaking
- Poor adhesion
- Uneven coverage
- Cracking
- Early wear
- Patchy appearance
A fresh coat of paint over an old surface won’t give the same long-lasting protection. The surface is the beginning of a professional coating system.
Why Primer Is Important
There is a good foundation for repainting aluminium window frames: a suitable primer. Unlike timber, plaster and other building materials, the material is aluminium. The performance of a paint product on one surface may not be the same on another, such as on aluminium.
The primer should be appropriate for the surface on an aluminium metal object and compatible with the topcoat.
By optimizing the adhesion and performance of the entire coating system, the appropriate primer can enhance the performance of the coating system.
Depending on the existing surface, the preparation method and coating products used the precise primer is required.
What Affects Aluminium Window Paint Durability?
There are a few reasons for the deterioration of aluminium window paint.
UV Exposure
Among the most important influences on external coatings is sunlight.
Windows that get a lot of direct sunlight can be exposed to a high level of UV. With age, this can cause colour fading and a change in the appearance of the coating.
Weather Exposure
Rain, wind, moisture, cold, heat and temperature changes can cause damage to painted aluminium. A very exposed window will need more attention than a window that is covered by either building or surrounding structures.
Surface Condition
The existing aluminium condition is also important.
If the existing paintwork is in bad condition, peeling or failing, further work may be needed before repainting.
Application
The final result is also influenced by the application process. Proper and appropriate application of coating under appropriate conditions. A professional approach can help ensure an even coverage and consistent finish.
How Can You Make Painted Aluminium Last Longer?
These are a few easy tips to prolong the life of painted aluminium window frames.
Clean the Window Frames Regularly
- Clean the Window Frames on a Regular Basis
- Cleaning on a regular basis can help to remove deposits of dirt, dust, salt, etc.
- Regular cleaning can help preserve the appearance of the coating.
- Unless recommended for the coating, do not use abrasive or harsh chemicals.
Check the Surface
Inspect the window frames from time to time.
Look for:
- Fading
- Peeling
- Scratches
- Chips
- Cracks
- Staining
- Damaged areas
If there is coating failure, it is more manageable if the failure is limited to small areas rather than large ones.
Pay Attention to Coastal Properties
Regular cleaning may be even more crucial if your home is located near the coast.
Airborne pollutants and salt may adhere to the surface of aluminium. Away they must be cleaned to avoid build-up over time.
Avoid Abrasive Cleaning
The painted aluminium will not look as good if there is strong scrubbing.
Gentle cleaning methods and wherever possible, follow the recommendations by the coating system.
Does Aluminium Window Paint Need Maintenance?
Yes. Glow-in-the-dark paint colours can be maintained. Maintenance is not all about repainting annually. It will typically involve maintaining the surface and looking for early signs of damage.
Simple inspection can help you identify:
- Fading
- Peeling
- Scratches
- Chips
- Dirt build-up
- Coating damage
Detecting a problem early may make it easier to repair or manage it before it becomes more serious.
Signs Your Aluminium Windows Need Repainting
If you notice any of the following, it’s time to repaint your aluminium windows.
Fading
If the colour lightens or becomes uneven, there is a high chance that the coating has been exposed to a lot of UV radiation.
Peeling
If the paint has started to peel, it is a definite indicator that the current paint coating requires some effort.
Should peeling areas be present, do not just cover them with paint. The surface needs to be properly prepared first.
Scratches and Chips
The frames can be damaged by small scratches or chips that can mar their appearance.
Outdated Colour
At other times, the coating may still be in good condition, but the colour is no longer appropriate for the property.
Homeowners can take advantage of the opportunity to reapply paint and re-stain their aluminium windows and still have the same window frames.
Repainting is better than replacement windows because you can save money.
Why Repainting Is Better Than Replacing Windows
Homeowners can enjoy a fresh coat of paint on their windows without the expense and mess of buying and putting in new windows with professional window respraying.
Benefits include:
- significantly lower cost
- Least disturbance of the residence
- modern colour updates
- improved protection against the elements
With proper application, the new coating can enhance a home’s appearance and prolong the life of the current windows.
Frequently Asked Questions
How long does the life of aluminium windows last?
The average life span of an aluminium window is 30-40 years, and with the care and quality put into the windows, they can last 40-50 years or more.
Does aluminium window paint fade?
Yes. Painted aluminium can discolor with age because of exposure to the sun’s ultra-violet rays.
Do aluminium windows need to be repainted?
Yes. If the surface is properly prepared, and the coating system is suitable for aluminium, then a professional repainting can be used to get a long-lasting finish.
Is it possible to repaint powder-coated aluminium?
Yes. Powder-coated aluminium can be recoloured.
Is it possible to paint anodised aluminium?
Anodised aluminium can be repainted, but only if the proper surface preparation and coating system are used. It is recommended that Profs assessment be used.
How to clean window frames painted with aluminium?
Dirt, salt and other deposits can be removed by regular cleaning.
Give Your Aluminium Windows a Fresh Finish
So, how long does aluminium window paint last?? Routine good performance of a professional coating can be anticipated for a period of 7 to 10 years, but this is dependent on the surface, coating system, application, environment and maintenance.
Window frames made of painted aluminium can be damaged by exposure to the sun, weather, the ocean, cleaning and daily use.
Windows that are faded, peeling, scratched or outdated can benefit from a fresh paint job.
Newlook Coatings offers professional aluminium window and aluminium joinery repainting in Queenstown, Wānaka and Christchurch.
