How to Repair Timber Windows
Windows made of timber are a stunning feature that can truly make a house stand out. They are susceptible to decay over time, particularly when they are exposed to extreme weather conditions.
Repairs are much more cost-effective than replacing window frames. This will save you money and the home will keep its original look.
Repairing rotten wood
Wooden window frames are constantly exposed to the elements and are among of the first components of a house to exhibit signs of damage and damp. Fortunately, a lot of instances of decayed timber are fixable and can be dealt with quickly. It is crucial to recognize the issue and take action as soon as possible. Otherwise, it can worsen.
Initially, it's essential to determine the extent of the rot, and then determine whether or not it is salvable. Begin by conducting a thorough inspection of the exterior to look for damaged roof tiles, slates, blocked rain gutters, and defective damp-proof course (DPC). It's also an excellent idea to look at the inside of the house including basements and cellars and joist ends that are non-cavity walls.
When you've located the area that is affected by rot, it's crucial to remove as much of the decayed timber as possible. This will lessen the amount of damage and make it easier to complete the remaining repair work. The next step is to make use of a pry bar, or a clawed hammer to try and prise away as much of the rotted timber as you can. It can be difficult to do however, by pressing the clawed end of the hammer against the healthy board and inserting the pry bar in the corner, you will be able generate enough leverage to lift the old wood.
Ensure that you leave a gap of space between the timbers when you remove the rotten wood. This will prevent moisture from getting into the gap and causing further damage to the timbers around it. It's also worth removing any nails and other debris from the area to minimise the risk of leaks in the future and damage.
After getting rid of as much decayed timber as you are able to and then the remaining boards can be repaired using wood filler or epoxy. This is a reasonably inexpensive and easy way to repair wood rot on windows made of timber. It can be sanded and painted to match your existing frame.
If the severity of the decay is serious, however, it may be more cost-effective to replace the entire window frame by a new one, especially if you're looking for an ongoing solution that will protect against further moisture penetration. It is also advisable to contact a professional timber window repair service to see what options are available for you.
Splicing or scarfing
Timber windows are an excellent choice for period homes and listed buildings, but they can be utilized in new construction. They are more expensive than uPVC however, they offer long-term benefits and add value to your home.
They are extremely robust and can be cut to any size. They are also simple to retrofit and offer excellent thermal performance. However, they require regular maintenance - especially painting.
Hardwoods and softwoods are the two main categories of wood. Hardwoods originate from broad-leafed deciduous trees. They possess an extremely complex cellular structure that provides them dimensional stability. Softwoods are made from coniferous trees or needle-leaf trees, and their cellular structure is much simpler.
Traditionally, structural joints within timber frames were made by mortice and tenons, or the comb joint. These joins are pinned or nailed to the frame and are not joined with adhesive. Over time, water freely flows between sections of wood, causing rot or staining. Poor workmanship can contribute to this. For example, fixings that are exposed or inadequately punched in can allow moisture to penetrate the frame. This can lead to water deposits and rust stains on the window frames if it is allowed to develop.
It is not recommended to replace the existing timber sash window with uPVC especially in listed or historic buildings. This could compromise the structural integrity. Additionally, uPVC windows have a short life expectancy and are disposed of as garbage.
Modern timbers, such as Accoya or Red Grandis are impregnated with a special treatment to make them more resistant to the elements and pests. These windows can last a lifetime if they are maintained and painted properly. They can also be outfitted with burglar-proof glass that increases the force required to open the window and makes it more difficult to break.
While replacing timber sash windows with uPVC may be cheaper initially however, it is not a viable option for older or listed buildings as it could damage the integrity of the building and violate planning permission. Additionally, upvc window repairs near me can be very drafty and have a short lifespan before they start to degrade and require replacement.
Filling in cracks and splinters
If you take care of your wood windows, they'll last for a long time. They can improve the aesthetics of a structure, add decorative elements, and serve their primary purpose, which is to keep the building warm and dry. As with all things they are subject to damage and wear. It is essential to treat them and repaired when they are damaged.
Wood rot is the most prevalent problem that can affect windows made of timber and doors, and it's not just a case of replacing rotten parts. When a frame is damaged due to rot, it may be very difficult to fix. It is for this reason that it is essential that you carry out regular checks on your timber windows, particularly prior to winter arrives. They can be particularly damaged by frigid temperatures and heavy rain.
It's important to note the condition of frames as well as any areas that are badly damaged when a window is taken down. This will help you save time and money in the long term because it makes the repair process much easier. You can save money by not having to replace the entire window.
If you're looking to replace a damaged part of a wooden window it is recommended to splice or wrap in a new piece well-seasoned wood instead of trying to repair the existing one. This can be done by either cutting away the damaged area to at least 5cm past the point of rot or by removing the entire sash and splicing a new piece.
The final step is to treat the wood with an appropriate preservative. This will prevent moisture from getting into the wood which can cause it to rot and weaken its structure. If you are not going to treat your windows, it is essential that you paint them regularly to ensure they are in good condition.
The majority of windows made of wood can be repaired by a handy DIYer. However in the event that the sashes or internal linings are damaged, it might be necessary to take down the window and re-build them. A broken counterbalance cord on double-hung windows is among the more difficult problems to fix since it can only be repaired by removing the sashes from the frame and disassembling it.
Painting
A fresh coat of paint can make a big difference on windows made of timber. It can make them look new and fresh, but it also helps keep them in good condition by covering any signs of rot and other issues. Make sure that the wood is completely dry before you begin painting. Moisture can cause wet decay. Use a wood moisture meter to determine if you're not sure. Even when the wood feels and looks dry, moisture may be present. It is essential to understand how to determine the presence of wet decay.
Before you start painting, it's a good idea to wipe over the whole frame with a soft damp cloth and remove any grease or oil marks. This will stop you from spreading dirt and makes cleaning much easier. If you have window handles, it is important to take them off and set them aside. This will allow you to work with the frames without worrying about breaking the glass.
If you are ready to begin painting, grab an unclean brush and apply a thin coat of primer. This will give the surface more depth and prepare it for the top coat of paint. After drying, lightly sand it using fine sandpaper to create smoothness.
It is now time to apply the first coat of paint. Paint in a thin, even layer. When the paint is dry and you have sanded it, do it again and then apply the next coat.
Repeat this process until you're satisfied with the colour and appearance of your window. Be aware that you could have to paint your timber windows about every 6-10 years, dependent on their location and the amount of sunlight they get. Regular maintenance is the best way to ensure your timber windows look and perform at their best for as long as you can.