Timber Windows

McLay Glass are proud to supply and install high quality windows and doors from Blairs Windows. At their Greenock factory they manufacture exclusively in pressure treated engineered softwood or naturally durable Meranti hardwood. These products are made in a variety of styles with a wide range of finishes to suit your taste and use Saveheat energy efficient glass to reduce your heating bills.


Why not have a look through the styles our Timber windows come in? 

Fully Reversible  

Designed with cleaning access in mind, this style is perfect for those out of reach areas. 


This range captures traditional style and period elegance combined with the benefits of modern mechanisms and workings.

Tilt & Turn

Where design meets functionality. This style allows for inward tilt ventilation and inward hinged for cleaning. 


With a variety of opening styles available, this style of window can be tailored exactly to suit the opening access and position of the window on your property. 

Bespoke Timber Windows

With timber windows, they don't have to be square, or even have four sides, a bevelled sill, or arched or gothic heads can also be incorporated into most of our products, even circles or hexagons to match your requirements.

Each timber unit style can have one of our standard colour options or we can match any RAL paint colour of your choice, each window has a variety of ironmongery options and finishes too. We can also supply a Secured by Design certified product for the Double Swing, Enhanced Casement and Tilt and Turn products.


Click over to Blairs Windows to see more information on our ranges then get in contact with ourselves, McLay Glass, and you'll have great windows with trouble-free installation.

Our clients favourite features


R&D investment into innovative multi-point locking systems ensures that our windows provide absolute piece of mind. 

Energy Efficiency

Our energy rated glass provides excellent thermal retention in your home. Thus, reducing your demand for energy and carbon footprint since you've now got a warmer home.  


Meticulous design has allowed for units which require almost no maintenance and up-keep.  Thus allowing you to spend your time doing the things you enjoy. 


All of our units are designed and tailored to suit your exact specifications. We always ensure that the style you have chosen seemlessly blends in with your property and is professionally installed by our team of experienced tradesmen. 

The McLay Glass Guarantee

McLay Glass & Glazing Contractors guarantee their products of  Timber frames for a period of 30 years against fungal and rot protection with

durable Hardwood having a Performance Category ‘A’ -desired service life of 60 years (refer BS 5589: 1989) and preservative treated Softwood having a Performance Category ‘B’ - desired service life of 30 years (refer BS 5589: 1989).  All our products are covered by a 5 year warranty against

manufacturing defects. Factory glazed products are covered by a 5 year warranty.