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Thank you for choosing Sash Window Specialist.  We hope that you are pleased with the restoration work and you will happily recommend our services to others.  Below is some important information regarding maintaining your restored windows.

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Maintaining your wooden windows

Your windows are now ready to offer many more years of protection from the elements, but there are a few important rules to consider in order to preserve them for future generations.

Please be aware that it is usual for your newly weather-sealed windows to become slightly easier to operate over time, as the brush seals will compress a little with usage. Likewise, new catches will become easier to operate.


The biggest enemy of wooden windows is the weather. Sunlight can cause splitting of the paint surface allowing water to penetrate into the wood, providing prime conditions for rot development. Paints protect wood from these natural forces and so must be maintained in good condition. Inspect paintwork annually for defects, ensuring that any problems are properly rectified. Particular attention should be paid to the putties or beading that holds the glazing in place. Any cracked or loose putty should be renewed and overpainted once a hard skin has formed.

As standard, our replacement joinery is finished with an exterior grade acrylic based paint and we recommend the same to be used for recoating. Compared to oil-based paint it does not suffer from yellowing or become as brittle. Acrylic paint is odourless and quick-drying, making it particularly suitable for sash windows. As part of an annual inspection and prior to repainting, acrylic painted surfaces should be washed with warm soapy water to remove any chemical contaminants from the surface. Whilst acrylic paint finishes are reported to have an eight to ten-year repainting cycle, we recommend a cycle of every six years or sooner if necessary. Surfaces painted with oil-based products should be repainted every 3 years or sooner, as necessary.



Avoid painting the sash cords as this will not only discolour them but also make them more brittle and weaker. Cords can be pulled forward to facilitate painting behind them.
Ensure that the pulleys remain free moving and lubricate the axels with a spray lubricant such as WD40.



Wood being a natural material is subject to movement, mainly due to weather changes. This movement will be greatest during the first year of exposure to the elements. For this reason, your first annual inspection will be the most important one. Any cracks, splits etc. must be filled with exterior grade filler before being suitably overpainted.



Defective guttering & garden sprinklers wetting wooden windows is a major cause of rot. Ensure your sprinklers are properly aligned & that gutters are in good order and free-flowing – make this part of your annual inspection or even more frequently in areas with overhanging trees.



The weather seals that we have built into your windows are manufacturer guaranteed for 10 years – provided that paints and stains are kept off the sealing area. DO NOT PAINT WEATHERSEALS. This problem is easily avoided by the use of a painting guard or masking tape; it’s a simple process that adds very little time to the overall project. Heat Guns should be avoided as they can melt the seals.
Weather seals reduce air movement within your home. Should you experience condensation problems, increased ventilation is required. Simply opening the window for a time will usually provide enough ventilation to clear the worst of the moisture. If condensation is excessive then other forms of ventilation should be utilised.
In some areas with excessive airborne pollution the seals may become discoloured. This is caused by particles of dust being captured within the bristles of the weather seal. They can be wiped clean with a warm, damp cloth.



One of the most common problems associated with the weighting mechanism is due to curtain tie-backs. When fixing anything to the box frame ensure screws protrude no longer than ¾ of an inch, anything longer may cause an obstruction to the weights.



Should you need to lubricate your windows silicone spray is recommended. Do not use any sticky lubricants such as wax or oil.

Once again thank you for choosing Sash Window Specialist. Should you experience any difficulties or if you have any further questions please do not hesitate to contact us.



New joinery items & double glazed units are guaranteed against faulty workmanship for five years. Renovation and repair work is guaranteed for one year. Guarantees are valid only when payment has been received in full and suitable persons inspect & repair paintwork annually. This guarantee does not extend to damage, fair wear and tear or faults due to accident, misuse or neglect. Any claims on the guarantee do not extend to problems as a result of storm damage, structural movement or similar factors. This guarantee is non-transferable.

“Advanced Solutions for Historic Windows”

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Sash Window Specialist
Average rating:  
 12 reviews
by Eleanor on Sash Window Specialist
Draught proofing and acoustic glass

Craig, Daniel and Trevor did an amazing job renewing our heritage sash windows. They put acoustic glass in our large bedroom windows, which has made a huge difference, as well as draught proofing them and a couple of others. Our place is much quieter and better insulated n0w. Highly recommend!

by Jonathan Laverty on Sash Window Specialist
Accoustic window treatment.

Graig and his team did a great job replacing the old glass in our sash windows with new acoustic glazing and also sealing around each window with brushes. They were a pleasure to deal with and we have no hesitation in recommending Sash Window Specialist. Regards Jonathan

by Melina on Sash Window Specialist
Two thumbs up

I engaged Sash Window Specialist for the overhaul and repair of five double hung sash windows and I'm very pleased with the result. Many companies claim that they will do any job, no matter how big or small, but that was not my experience after having contacted a number of companies in Sydney. Sash Window Specialist was the only company that happily took on the job. I was impressed by Frazer's prompt and clear communication, Craig's excellent project management, and Spencer and Daniel's workmanship. They were all great to deal with. I have no hesitation in recommending Sash Window Specialist.

by Palmyra Yoga Shala on Sash Window Specialist
New facade

Sash Window Specialist completed works to our newly acquired old corner-shop home/business. The business side required new large windows in the old boarded up room to bring it back to an open and interactive business. This room also required work on the skirting boards as well as installation of two smaller walls internally to create rooms. These were framed beautifully with Jarrah wood to compliment the flooring. Simon worked tirelessly to meet the deadline of our business launch, which we are so grateful for! He consistently worked to a lean budget and usually came up with the most economical and efficient way to go about the works, without affecting quality, and always considering longevity. Being our first time living in an older building, Simon's extensive experience with Sash Windows was a gift. He shared his knowledge of the many benefits of the sash window's intelligent design and reasons why to restore them well. All the sash windows on the home side of the building were carefully restored and repaired to perfect working order. Really great to use well throughout summer, allowing the hot air out the top window when the afternoon sea-breeze comes in (through the bottom window) Thanks Simon! Our favourite restoration aspect is the careful work on the front doors to our business. It is a joy that we were able to keep some of this history, and continue to enjoy them in their renewed state, as we greet and farewell each customer and student .

by Sandra Fritz on Sash Window Specialist
Remarkable Restoration

Tim restored my 8 sash windows to an incredibly high standard with a craftsmanship that is second to none. He was very honest and reliable from the start and I had no hesitation in giving him a spare key when I had to go to work. Tim’s communication was excellent as he kept me informed and updated at every stage of the restoration. The pricing was very competitive and there were no hidden extras. The transformation is incredible as the windows are all superbly draft proofed, with new sashes and window locks. All the neighbours have commented on the difference it has made to the curb appeal. I am super satisfied with the work and have no hesitation recommending Tim. I had to be patient as Tim was busy with orders, but it was definitely worth the wait.
Thank you!

by Brenda Smith on Sash Window Specialist
Worth it

The entire process has been really easy and we found Frazer, Craig and Dan to be reliable, efficient, friendly and knowledgeable. We had the windows overhauled and draft proofed along with an upgrade to acoustic glass. We have noticed a big difference now that all the windows and the door is complete. The differences being no more rattling of the windows, no more drafts and the description I can come up with in relation to the noise difference is that it is similar to putting on a pair of earmuffs while mowing the lawn. As well as doing a great job on the windows, they also did a great job of cleaning up after themselves at the end of the day. Highly recommend

by Jonathan Smith on Sash Window Specialist
Superb workmanship

Tim and his team worked wonders totally refurbishing all 16 of our sash windows.
Not only is his work excellent, he is a pleasure to have working around you home.
I cannot recommend him enough.
Thanks for a great job and good to know you are always just a call away.

by Christine on Sash Window Specialist
Excellent job

Craig did an excellent job of repairing three of our sash windows. He came on time, so friendly and accommodating to our special requests of protecting brand new floors. All three windows had broken cords were professionally repaired with care and great craftsmanship. I will definitely use them again .

by Keith Burden on Sash Window Specialist

Simon has completed several jobs at my house to my complete satisfaction.He is a perfectionist in his work and leaves the job very tidy. I have no reservations in recommending him.

by Nigel Oakey on Sash Window Specialist

Good to have passionate specialist trades working on this special old building. No-one knows sash windows like Simon does!

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