uPVC Sash Windows

Enterprise Building Maintenance Sash Windows also known as Vertical Sliders are exploding in all market sectors right now as a replacement to the Georgian sash windows that are prone to draughts, leaks and poor security. Manufactured from Spectus profile, our market-leading Vertical Sliding windows combines all the benefits of high performing modern materials and functionality with period character and design.

Our uPVC Vertical sliders combine advanced technology and traditional design that come together to create the perfect solution for period property owners wanting to revitalise their home, still retain it’s character whilst significantly improving energy efficiency and security.


• Fully featured Ovolo detail

• Deep bottom rail option gives the authenticity of a timber box sash

• 128mm Front to Back dimension ensures the Vertical Slider is suitable for traditional timber box sash replacement

• Low line PCE glazing system

• Tilt In facility allowing easy cleaning of the outside from the inside

• Large and small sash options provide equal sightlines

• Available with a Georgian Bar option which completes the period aesthetics

Made to measure

All of our Sash windows are made to measure, tailored to any height or width you require – even the bars can be placed at the dimension set by you. You can be certain that with Enterprise Building Maintenance you’re going to get the look that perfectly matches your style and budget.

You can also select from a choice of interior windows sills (window boards) to complement your interior design palette.