How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have sash windows that are traditional and the homeowners are proud of their appearance. However, sash windows may get stuck and be difficult to open or close. This is typically due to moisture which can cause the wood to swell.

Box sash windows were historically operated with chains or cotton cords as well as lead weights. Modern windows with sash springs are concealed to eliminate this issue.

1. Aesthetics

Timber sash windows, unlike PVC-u windows which are manufactured in imperial sizes and are modular, can be restored to their original size. This allows the restoration to be in line with modern energy requirements while still complying with conservation areas regulations. It also comes with an option that is superior to the uPVC alternatives.

Sliding sash windows were initially only found in large buildings or public buildings, though this changed when production became less expensive and craftsmen could make larger frames with more glass. By the late 18th century windows made of sash were the predominant wooden design in most British homes. As they were easy to open, sash windows let light into rooms without curtains.

Early windows were simple glass but by the 17th century sash windows started to become more decorative, with coloured glazing bars and moulded mullions. They were expensive at the beginning but as glass production became cheaper and more efficient, they became a common feature in many historic homes.

In the 19th century, it became possible to produce large, sturdy glasses that did not require support bars. This allowed for the frame to be made larger which, in turn, provided the viewer a better view. This was an important innovation.

The introduction of the double-hung sliding sash is another significant improvement that came about at the end of the I920s and at the beginning of the I930s. This allowed both the upper and lower sash to be opened simultaneously, and gave improved ventilation to a building.

Oak was used in older examples and more prestigious buildings. It is crucial to maintain the parting bead that separates the sashes. This will prevent rattles and draughts. The sash pulleys, idler wheels and sash rollers are essential to the functioning of the window maintenance.

2. Energy efficiency

Sash windows replaced hinged casements as larger and clearer sheets were made available. Plate glass was placed in rebated timber frames, pinned with glazing sprigs and putty was sprayed on the frame's sides to ensure watertightness. This kind of glass gradually replaced the leaded light bulbs.

Sashes were introduced, which resulted in a greater demand for ironmongery. The basic fittings included brass pulleys (and later cast-iron) weights as well as sash stoppers, shutter hinges and handles as well as a variety of fasteners to fix the sashes. They were often decorated with patterns, inscriptions and engravings to identify the maker.

Sash windows can be very energy efficient if they are maintained regularly. If they are not maintained, they can become noisy. Putty and paint can cause draughts. This can be fixed by using wood-to-timber repair products that are specifically designed for this purpose.

The market for replacement windows rests on the perception that older windows are old and beyond economical repair, whereas they are able to be maintained with a bit of care. However, these repairs are costly and can cause substantial disruption to the home. To prevent this homeowners, many opt for a complete replacement with PVC-u windows from one of the large "one stop shop" installation companies. They can replace and remove all windows in a house in a single day, avoiding the need to co-ordinate different tradesmen and making the entire process much faster. These windows can be fitted with 'energy-saving double glazed door repairs-glazing to attain higher energy ratings than traditional sash window. However, these double glazing seal repairs-glazed units cannot duplicate the proportions and section of the sashes made of timber from the past.

3. Security

It is possible to secure windows that are traditional without compromising on their aesthetics. Ironmongery, such as sash chain, mortice bolts, and sash lock can be installed. These can be installed so that the window is capable of being opened to allow ventilation or cleaning. These products are usually not noticeable, since they are designed to match the sash window. They can be used in conjunction with traditional sash window doctor near me catch. These are best replaced with more robust versions, such as those that incorporate double screws or spring levers in order to reduce the possibility of being hammered.

Sash-window frames were traditionally made from slow-growing deal or, in more elegant homes, from oak. If the glazing bars are still in good condition and are not damaged, they should be left. Where possible, the timber cills should be replaced with timber that is compatible with. Many PVC-U firms offer a one-stop shop installation service. They can take out and replace windows throughout a home in a single day, without involving other tradespeople.

4. Ventilation

Sash windows were introduced in the 17th Century and allowed for a huge amount of light to enter buildings. In the 18th century, they had been modified to allow more light could be let into rooms. Larger glazing panes were also created. The result was a much lighter appearance and windows that had a higher level of elegance than they had before.

Sash windows were introduced and required a new range ironmongery. Early pulleys were constructed of wood. Later Victorian ones were made of brass or a combination of wood and leaded. There were also various kinds of knobs and shutter hinges. These ironmongery elements should always be retained and cleaned down to ensure that the exquisite quality of their design can be appreciated.

To keep them in good shape, timber windows need to be maintained. Inattention to maintenance routinely could lead to:

Sashes that don't slide smoothly.

Holes in the frame that allow water to get in and cause damage and decay.

break down of putty, allowing water penetration that could lead to decay of the frame and cill.

In the I920s and the I930s steel casement windows increased in popularity due to their strength slim and inexpensive, and complemented the vogue for healthy living. Studies have shown that softwood sash window are just as efficient as PVC-u windows and can even be more attractive.

The replacement window industry has done a great job convincing homeowners that their old windows were decayed and drafty. They were also beyond the budget for repair. Many old windows made of timber are repairable and can be used for a long time with minor repairs.

5. Maintenance

A traditional sash window needs regular maintenance and inspection. If you don't maintain your sash window, it can result in the sash cords breaking and the glazing bars deteriorating excessively. It can also cause the paint and putty to deteriorate. The removal of sashes could also result in structural movements within the frame, which can cause the sash to not close properly. The sash could also get stuck in the open position, allowing water and draughts to enter the property.

The damage to timber windows is usually caused by moisture infiltration. This can be avoided by regular maintenance by thorough painting and eliminating the source of dampness. The paint can be removed to expose the soft, rotting wood. The rotten timber sections should be carefully cut out and the affected part should be snared together or pieced together with replacements of the exact type as the remaining timber. This method of repair increases the amount of fabric that was originally used and is among the least invasive ways to treat wood-to-timber double glazed windows cambridge rot.

A wood condenser made of resin is an alternative to traditional process of sanding or staining. It is brushed on the surface of the wood to stabilise and shield it from further damage. It is especially useful for treating sash and pulley cords, which can help prevent breakage.

It is crucial that any ironmongery from the past like sash stays and latches are kept and rehabilitated instead of being replacing them. It can be difficult to replace these items without compromising their original design. It is also advised that fittings made of aluminum, such as sashlifts and chainstays, should be avoided since they could cause corrosion and deterioration of timber frames and sashes.