How to Repair Timber Windows
Timber windows are a beautiful feature that can really set a property apart. They can deteriorate in time, particularly if they are exposed to extreme weather conditions.
Repairs are cheaper than replacing window frames. This will save you money, and your home will keep its original look.
Repairing rotten wood
Wooden window frames are constantly exposed to the elements and are often one of the first parts of a house to be damaged and damp. Luckily, the majority of instances of decayed timber can be repaired and dealt with quickly. The trick is to recognize the issue and act before it worsens, or even more damage can be caused.
Initially, it's essential to assess the extent of the rot and determine whether it's salvageable. A thorough exterior inspection is usually a good way to begin, looking for slates or tiles that are damaged on the roof, blocked guttering, and deficient damp proof course (DPC). It's also recommended to inspect the inside of the property, including cellars and basements and joists that end in non-cavity walls.

When you've identified the affected area the rot, it is essential to remove the rotten wood as soon as you can. This will lessen the extent 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 remove as much of the decayed timber as you can. It's not easy to accomplish, but by pushing the clawed end against the healthy board and inserting the pry bar into the corner, you will be able create enough leverage to free the old wood.
Ensure that you leave a clear gap between the woods when you are removing the wood that is rotting. This will prevent moisture from entering the gap and causing further damage to the surrounding timbers. To minimize the risk of further damage and leaks, it's worth removing any nails or debris from the affected area.
After removing as much of the decayed timber as you can and then the remaining boards can be repaired using epoxy or wood filler. This is a fairly affordable and simple method to repair wood rot on windows made of timber. It can be sanded and painted to match your current frame.
If the degree of rot is severe However, it could be more cost-effective to replace the entire frame by a new one, particularly if you're looking for a long-term solution that will ensure that moisture isn't able to penetrate further. You might also want to contact a professional wood window repair service to determine what options you have.
Splicing or scarfing
Timber windows are a great choice for older homes and listed buildings, but they can also be used in new construction. They are more expensive than uPVC however, they offer long-term advantages and increase the value of your home.
They are very durable and can be made to any size. They are also easy to retrofit and provide excellent thermal performance. They require periodic maintenance, particularly painting.
There are two main categories of timber: softwoods and hardwoods. Hardwoods are broad-leafed deciduous trees. They possess an extremely complex cellular structure that gives them good dimensions stability. Softwoods are composed of needle-leaf or coniferous trees and their cellular structure is much simpler.
Traditional timber frame structural joints were created by mortice and Tenons or comb joints. These joints are secured by nailing or pinning into place and are not joined using adhesive. Water can easily pass between the timber sections and cause rot, or staining. Poor workmanship can cause this. For instance fixings that are exposed or inadequately punched in can cause moisture to enter the frame. This could lead to water stains and rust on the window boards in the event that it is allowed to occur.
Replacing timber sash windows with uPVC is not a common option, especially for historic and listed structures, since they compromise the integrity of the building. Furthermore, uPVC windows have a short lifespan and end up as landfill.
Modern timbers, such as Accoya or Red Grandis are treated with a special treatment that makes them resistant to weather conditions and pests. If properly maintained and painted, these windows can give the longest service. They can also be fitted with burglar proof glazing which increases the force needed to open the windows and makes them harder to smash.
While replacing timber sash windows using uPVC might be less expensive initially, this is not a viable option for older or listed buildings as it will ruin the integrity of the property and violate planning permission. Additionally, uPVC can be very drafty and have a short time before they begin to degrade and require replacement.
Filling cracks and splinters
Providing the right treatment and care, timber windows can be in service for many years. They can enhance a building's aesthetic, provide decoration, and fulfill their primary purpose of keeping homes warm, dry and secure. As with everything they are subject to wear and damage. It is crucial to treat them and repaired if this happens.
Wood decay is the most frequent issue that can affect timber windows and it's more than the case of replacing damaged parts. Once frames are damaged by rot, it can be a challenge to repair. It is for this reason that it is essential that you carry out regular inspections of your timber windows, particularly prior to winter arrives. The constant cold and rain can be extremely harsh on the windows, thereby increasing the risk of moisture penetration.
It's important to note the condition of frames and any other areas that are seriously damaged when a window is taken apart. This can help save time and money in the long run since it will make the restoration process much simpler. It could also help you avoid the cost of replacing the entire window.
If upvc window repairs planning to replace a damaged piece of a timber window, it's always best to splice in or scarf in a new piece of well-seasoned wood instead of trying to repair the damaged one. This can be accomplished by cutting out the damage to a minimum of 5cm above the point of rot or by removing the entire sash and then splicing it into the new piece of wood.
The final step is to treat the wood with a preservative. This will prevent moisture from getting into the wood which can cause it rot and weaken its structure. If you don't plan to treat your windows, it is essential that you paint them regularly to ensure they are in good condition.
Most timber windows can be repaired by a skilled DIYer. However, if the sashes or internal linings are damaged, it might be necessary to take down the window to rebuild them. One of the more difficult problems to fix is a damaged counterbalance rope for double-hung windows since they are only replaced by taking off the sashes and disassembling the frame.
Painting
A fresh coat of paint will improve the appearance of your windows made of timber. It can make them appear fresh and new, but it can also help keep them healthy by covering any signs of rot or other issues. Before you paint, though, make sure the wood is dry. This is important, as moisture can cause wet rot. If you're not sure, try a wood moisture meter to determine the moisture content of the wood. Even it feels and looks dry, moisture may be present. It is crucial to understand how to determine whether your window frames are suffering from wet rot.
Before you start painting, it is a good idea to wipe over the whole frame with a soft, damp cloth to remove any oil or grease marks. This will stop you from spreading dirt and make cleaning easier. It is also worth removing the window handles if you have them, and placing them on one side. This will make it much easier to work on the frames without worrying about breaking the glass.
Apply a thin layer of primer using a clean, dry brush when you are ready. This will give your surface more depth, and also prepare it for the final coat of paint. Let it dry and then sand it gently with fine sandpaper to give it a smooth surface.
The first coat of paint is applied. Be sure to apply the paint in a thin layer and evenly over all areas. After the paint has dried, sand the surface once more before applying the second coat.
Repeat this process until you are happy with the colour and finish of your window. Be aware that you could need to repaint your windows made of timber approximately every 6-10 years depending on their location and the amount of sun they are exposed to. Regular maintenance is the best way to ensure your timber windows appear and perform at their best as long as you can.