Wooden window frames can last a lifetime. But that’s not a given. One window frame may still look as good as new after years of use, whilst another may quickly show signs of rot. The difference lies in two things: the type of wood and the maintenance. In this article, you can read about how long wooden window frames last and what you can do to help them last longer.
How long do wooden window frames last on average?
With proper maintenance, wooden window frames last on average between 50 and 80 years. That’s quite a wide range. The specific lifespan will depend on the type of wood and the level of maintenance. A well-maintained hardwood window frame can easily last a lifetime, whilst a neglected softwood frame will fail much sooner.
Which type of wood lasts the longest?
The type of wood makes a big difference. Hardwoods, such as meranti or merbau, grow slowly and have a dense grain. This makes them naturally resistant to damp and rot, and they last for around 60 to 80 years. Softwood, such as spruce or pine, is more affordable but more susceptible to damage and generally lasts 30 to 50 years.
For external window frames, hardwood is therefore usually the wiser choice. Good wooden frames are made from hardwood bearing a certification mark such as FSC or PEFC. This certification mark indicates that the timber has been harvested responsibly and is of good quality.
Maintenance determines how long wood lasts
As well as the type of wood, maintenance is crucial. The coat of paint protects the wood from damp, and as long as that coat remains intact, the wood will stay in top condition. If you neglect maintenance, moisture will penetrate the wood and it may start to rot within ten years. Well-maintained wood, on the other hand, can last for decades, so the lifespan of your wood is largely in your own hands.
How do you keep wooden window frames in good condition?
A few simple habits can make all the difference. Check your window frames once a year and repair any minor damage straight away. This will prevent a small spot of damage from developing into wood rot. During that annual check, also lubricate the hinges and locks with a little machine oil, as the metal is prone to rust.
In addition, keep the bottom sill – the lower part of the window frame – free from splashing water and dirt. South- and west-facing façades are exposed to the most sun and rain, so the paintwork there will need attention sooner. Finally, ensure that the wood is not in direct contact with concrete or the ground anywhere, as this will cause it to absorb moisture.
How often should you paint wooden window frames?
Light maintenance, such as cleaning and touching up the paintwork, is best carried out every one to two years. A full repaint is required approximately once every four to six years. How often this is needed varies depending on the situation. A dark colour or a south-facing façade will need repainting more often than light-coloured timber in a sheltered spot. If you stick to this schedule, you’ll keep the timber protected and significantly extend its lifespan.
What should you do if you find wood rot?
Wood rot does not automatically mean you need a new window frame. If the damage is limited, the affected section can often be repaired locally, after which it will last for years to come. Only if the rot runs deeper or is present in several places is replacement the wiser choice. If you’re unsure, have it assessed before you decide, as sometimes a repair is enough and sometimes it isn’t.
Wood or plastic – which lasts longer?
Hardwood and plastic are very similar in terms of lifespan, as both last for decades. The main difference lies in maintenance. Wood requires periodic painting, whilst plastic requires almost no attention in this regard. Wood, however, has the edge when it comes to appearance and complements a classic or heritage building beautifully.
Or plastic or wooden window frames Whether a product is a better fit for your home depends on more than just its lifespan. You should also consider its appearance, price and maintenance requirements.
In short, wooden window frames last a long time – especially if made from hardwood and properly maintained – and you can expect them to last for decades. If you neglect maintenance, however, this will actually shorten their lifespan considerably. Incidentally, we provide a guarantee covering both the new window frame and its installation. Are you unsure whether your window frames are still in good condition, or whether a repair would suffice? Feel free to ask us – we’ll be happy to help you sort it out.
