How to Repair Timber Windows
Timber windows can be a stunning feature of a home. They can deteriorate in time, particularly if they are exposed to harsh weather conditions.
Instead of replacing wooden window frames, it's much better to carry out repairs. This will help save money and will also help the building keep its original look.
Repairing rotten wood
Wooden window frames are exposed to the elements throughout the year and are usually one of the first parts of a house to exhibit signs of damp and damage. Fortunately, decayed wood is often repaired and addressed quickly. The key is to spot the issue and act before it gets worse, or worse damage may be caused.
It is crucial to determine the extent of the rot and decide whether it's repairable. Begin by conducting an extensive external inspection, looking for damaged roof slates, tiles as well as blocked rain gutters and defective damp-proof course (DPC). You should also check the inside of the house including basements and cellars and also the joists' ends on a non-cavity wall.
Once you have identified the area that is affected by the rot, it is essential to get rid of the wood that has rotted as much as possible. This will minimize the damage and make the repairs much easier. Next, use a clawed hammer or pry bar to remove as much rotted wood as is. It isn't easy to accomplish, but by pushing the clawed end against the healthy board and putting the pry bar in the corner it will create enough leverage to remove the old wood.
Be sure to leave a clear gap between the timbers when you remove the wood that is rotting. This will prevent moisture from entering and causing damage to the timbers around the gap. To minimize the risk of further damage and leaks, it's worth removing any nails or debris from the affected area.
After taking out as much of the decayed timber as you are able to and then the remaining boards can be repaired using wood filler or epoxy. This is a simple and affordable method of fixing wood rot in timber windows, and can be easily sanded and painted to match the frame.
If the severity of the decay is extensive, however, it may be more economical to replace the entire frame with a new one especially if you're seeking a long-term solution that will protect against further moisture penetration. You may also want to consult a professional wood window repair service to determine what options you have.
Splicing or scarfing
Timber windows are a traditional choice for period buildings and listed houses, but they can also be used to enhance new properties. Although they cost more however, they can provide long-term benefits and increase value.
They can be manufactured in any size and are extremely durable. They are also very easy to retrofit with IGUs (IGUs) and provide outstanding thermal performance. They do require regular maintenance, especially painting.
There are two main categories of timber: softwoods and hardwoods. Hardwoods are broad-leafed deciduous trees with complex cellular structures. This gives them good stability in terms of dimensions. Softwoods are, on the other hand, come from coniferous or needle-leafed trees and have a much simpler cell structure.
Traditionally, structural joints within timber frames were created by mortice and tenons, or the comb joint. These joints are pinched or nailed to the frame and are not joined with adhesive. Water can easily pass between the sections of timber and cause rot or staining. Poor workmanship can be an element in. For example, fixings that are exposed or inadequately punched in can cause moisture to enter the frame. If this happens, it can result in rust staining and water deposits on window frames.
It is not recommended to replace a timber sash windows using uPVC, especially in historic or listed buildings. This compromises the structural integrity of the building. Furthermore, uPVC windows have a short life expectancy and eventually end up in landfill.
Modern timbers like Accoya and Red Grandis are treated and impregnated to ensure that they are able to withstand the effects of weather conditions and insects. If properly maintained and painted these windows can provide the longest service. They can be equipped with burglar-proof glass that increases the force needed to open the windows and makes them more difficult to smash.
While replacing timber sash using uPVC is initially less expensive but it isn't an ideal option for listed or period homes because it will damage the integrity of the structure and could breach the planning permission. Furthermore, uPVC can be very noisy and has a limited life span before they begin to degrade and require replacement.
Filling in cracks or splinters
With the proper treatment and attention to timber windows, they are able to last for a long time. They can enhance a home's aesthetic, provide decoration and fulfil their most important function of keeping a property safe, dry and warm. As with all things, they could be susceptible to wear and tear, when this occurs it is crucial that they are taken care of and repaired.
Wood decay is the most frequent problem that can be found in windows made of timber and it's more than the case of replacing damaged parts. If the frame is damaged by rot it can be a difficult repair. This is why it's crucial to conduct regular inspections of your timber windows, particularly prior to winter comes around. The relentless cold temperatures and rain can be particularly rough on the windows, thereby increasing the risk of moisture penetration.
When a window is dismantled it's important to make notes of the frame's condition and identifying any areas that are badly damaged. This will save time and money in the long run since it will make the restoration process much more straightforward. You'll save money by not needing to replace the entire window.
If you're looking to replace a damaged piece of a timber windows it is always best to splice or scarf in an entirely new piece of wood that is seasoned rather than attempting to repair the existing one. This can be accomplished by cutting 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 treating the wood with an anti-microbial. This will stop moisture from entering the wood, which could cause it to rot and weaken its structure. If you don't plan to treat your windows, it is essential that you paint them regularly to keep them in good condition.
The majority of windows made of timber can be repaired by a handy DIYer. If the sashes are broken or the internal linings have been damaged, it could be required that the window be taken apart and rebuilt. One of the more tricky problems to fix is a damaged counterbalance rope for double-hung windows as these can only be replaced by removing the sashes and disassembling the frame.
Painting
A well-painted finish can do wonders for windows made of wood. It can give them the appearance of new and fresh however, it can also keep them healthy by covering up any rot or other problems. Before you paint however, ensure that the wood is completely dry. Moisture can cause decay that is wet. Use a wood moisture gauge to determine if you're not sure. Even it feels and looks dry, moisture can still be present. It is crucial to learn how to detect the presence of wet decay.
Before you start painting, it is an excellent idea to wipe over the whole frame with a soft, damp cloth to remove any oil or grease marks. This will make sure that you don't smear the dirt around and will make cleaning easier. It's also worth taking off the window handles If you have them and putting them on one side. This will allow you to work with the frames without worrying about breaking the glass.
Apply a thin layer of primer with a clean, dry brush once you are ready. This will give the surface more depth and will prepare it for the top coat of paint. Let it dry, and then sand gently with fine sandpaper to give it a smooth finish.
It is now time to apply the first coat of paint. Paint in a thin, even layer. Once the paint has dried and you have sanded it, do it again and then apply the next coat.
Repeat this process until you're satisfied with the color and appearance of your window. upvc window repairs may need to re-paint your timber windows every 6-10 year, depending on where they are located and how much sun they receive. Regular maintenance is the best method to ensure that your timber windows look and perform at their best as long as you can.