The Aluminium Trade Supply Website is often contacted by people looking for Monarch Windows replacement parts. One of the most popular enquiries is about the Monarch Monaframe Windows that were supplied for nearly 20 years in the home improvement market.

Monarch Aluminium Windows were the leading product of their time, but some windows are now in need of replacement parts. What can you do?
The Monarch aluminium window, Monaframe door and Monaframe aluminium patio door were the most successful aluminium window and door products of their time. This was at a time when PVCu dominated the home improvement market with Monarch Aluminium at the forefront in providing aluminium with thermally insulated and direct fix windows and doors.
Monarch Aluminium Windows and doors are still functioning perfectly today after more than 20 years
With many aluminium systems still offering non thermal and very basic aluminium door and window systems, Monarch aluminium windows offered thermal break, a choice of direct fix or wood fix profiles and complemented by an excellent range of ancillary sections to create bay windows, feature windows and much more.
However as with all products utilising moving parts, some of these Monarch windows are reported as having failing locking systems and failing handles with customers being advised that new windows are now required. But is this the case?
What Monarch Windows Replacement Parts are in highest demand?
- Can you fit new locks to existing windows?
- Is there a way to fit new different locks to existing windows?
- What do you do if only some windows have failed hardware. Do you need completely new windows?
During the lifetime of the product there were several enhancements to the locking system carried out by Monarch Aluminium with the Monalok, Monalok 1 and Monolog 2 hardware being introduced. This introduction of improved locking systems is not to be criticised, as like any manufacturer, products are enhanced and made better during their service life.
What we do know is that the replacement of locks to older Monarch windows is a problem owing to the age of the product, the changes in the product that occurred during it’s lifetime and the lack of common parts.
It is not possible to replace the Monalok espagnolette hardware with the newer Monalok 1 or Monolog 2 versions and much of this hardware has now been discontinued completely.
So what can you do to repair locking systems to old Monarch Windows?
Our recent article about replacement parts for older aluminium windows offers some general advice and we do recommend you contact companies like Duffells that the window industry uses for replacement parts for windows.
We also recommend you contact the website with your location. Monarch Aluminium were fortunate in having many fabricators around the country therefore we may be able to put you in touch with long established fabricators that may still stock some old parts or be better placed to advise you depending upon your particular Monarch Aluminium Windows.
It is also well worth finding in your local area an experienced window and door maintenance company and get them to have a look at your windows. Many of these companies will have serviced Monarch windows in the past and will also be well placed to give you honest advice. Given the popularity of Monarch windows for nearly two decades any issues with these windows are known to experienced companies and they may know of newer locking systems that fit the original machining slots of your monarch windows.
Will you ultimately need to replace your windows?
It is unfortunate when windows that are otherwise performing quite well need replacement parts that are no longer available but these changes are mainly due to improvements in the window products over the years as well as changes in legislation. These changes have forced systems companies to introduce new products to meet ever changing legislation rendering older systems that are still functioning and performing perfectly well obsolete.
Obviously many of these windows will now be outside their original 10 year guarantee and you may find yourself in a position of having to replace your windows.
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