Secondary Glazing London are happy to provide you with specially developed versatile horizontal sliding windows; manufactured with up to 4 sliding panels, this secondary glazing offers a harmonious match for all types of windows. The individual panes slide effortlessly that allow unhindered access to the main windows.

Made with premium quality aluminium that coated with your choice of colour to suite and match any type of décor.

Similar to the hinged glazing, we provide two main types of systems:

Residential slim line system: Designed for period windows. The aluminium outline is very slim, making sure the secondary glazing blends in perfectly with the outer windows. If the problem at hand is thermal insulation or sound reduction, this system can house a glass up to 6.4mm thick that can reduce noise by a minimum of 97%.

Commercial hinged system: where a slim line is not feasible for the surroundings, our heavy duty system offers an alternative where a much larger frame can be installed to hold a much thicker glass.