We have developed a range of steel alternative aluminium windows within our Knight Collection window range to meet the needs of those looking for an authentic looking steel alternative window without all of the problems associated with traditional steel windows such as single glazing, rust and draughts etc. Our steel alternative windows range closely replicate the look and slim sightlines of original steel windows whilst giving you enhanced thermal efficiency, improved security and all at a fraction of the cost.
Our range of steel alternative windows is available in a range of styles to suite a large range of property types. Steel windows are typically found on properties built around the 1930's and are often essential to the look and charm of a property. When replacing steel windows it is often essential to select a window that is sympathetic to the look of the original windows and our range of JKG windows do just that whilst vastly improving the energy efficiency over the original steel window. Our steel alternative windows have also been approved for use in listed buildings and conservation areas.
A direct replacement for original steel windows our Royal Stepped windows closely replicate the traditional look and feel of original steel windows. These are an extremely slim line aluminium window, more secure and thermally efficient than original steel windows. The main outer frame of the window is just 33mm deep, the slim frame allows for a simple installation as it is not necessary to hide part of the frame to give a slimmer look. This simple installation is much quicker as there is no need to cut back plaster work, brick work or existing wooden frames.
As with all of our aluminium windows frame they come supplied with a polyamide thermal break as standard to increase the thermal performance of the frame. Our Royal windows are also fitted with thin krypton gas filled double glazing giving the same thermal performance of standard double glazing whilst achieving a similar look to single glazing. This windows is not only very thermally efficient but also has passed multiple security standards including BS7950 and Secured by Design certified.
Our slimmest aluminium steel replacement window The Royal Putty-Line, designed and manufactured to replicate the Steel windows of yesteryear with a 45° putty line detail on the window sashes. Almost identical in looks to the original steel windows it is hard to tell them apart, with many benefits over the original including enhanced security, thermally broken frame and Krypton gas filled sealed double glazed units, exceeding building regulations for new builds and renovation projects alike.
Our Royal Putty-Line windows offer a huge improvement over steel in terms of thermal performance corrosion resistance and security. A perfect replacement option that are simple to replace and cost much less than original steel windows.
Based on a standard slimline aluminium window profile the Heritage stepped window is a more affordable steel replacement window. Allowing home owners the option to upgrade their windows to a more secure and efficienct window whilst maintaining the original character and charm of the properties period features. With various add-on options such as dummy hinges and classic hardware help to complete the classic look. Our heritage windows have been used in both listed buildings and conservation areas.
A huge improvement over traditional steel windows, our Heritage range offers the latest in window design and technology with features like Polyamide thermal break, high security multi point locks and slim double glazed units. Suitable for both new build and refurbishment projects at a fraction of the cost of steel windows.
The Heritage Putty-Line window has been designed and as a direct replacement for old putty glazed steel windows with the benefit of a thermally broken frame, enhanced security and. Replicating the authentic look of putty line steel windows with 45° angled design and slim sightlines. Our putty-line windows maintain the character of your home whilst achieving improved thermal and weather performance.
Our Heritage Putty-Line windows offer a huge improvement over steel in terms of thermal performance corrosion resistance and security. Our heritage range are fitted friendly, offer great U values and include the latest in glazing technology.