1876 Cotswold Cottage gets Major Energy Efficiency Improvement

Here is a project that we think speaks volumes for our incredibly skilled installers. No matter which window you use and regardless of the building it goes into, the golden rule is that every window and door must be straight, plumb, level and square. But how do you keep to that rule when the existing openings aren’t any of those things? Well, we recommend our fitting team!

The STM Tinium windows that were used here are quite rare for an aluminium-clad timber window: the external aluminium isn’t just a rain screen, it fully wraps around the window. This means that you can apply fitting materials direct up to the edge without worrying about blocking any drainage – as you can see, especially useful here as we needed to correct a lot of the structural openings.

Even though this does have aluminium externally, we think that the low gloss level results in a finish that isn’t too far away from timber. In a Cotswold-style arrangement such as this, the average passer-by would naturally assume these are just timber windows. From the customer’s perspective though, the benefits are clear: no re-painting at any point during the windows’ lifetime and an effective lifetime of over 80 years.

These windows all have Class 4 airtightness and Scandinavian-specified glazing units. Naturally, these provide excellent heat insulation, but also sound insulation. Traffic noise is significantly reduced as well as the home being much more able to retain heat in the winter.

Overall, the horizontal glazing bars are a really effective way of creating a more traditional appearance without going overboard. Decorative bars can become quickly expensive with more complex designs, so we tend to recommend fewer bars for a more cost-effective result. Fewer bars also mean more light coming into the home, and less annoyance when cleaning the glass.

Making sure that the overall size of each glass pane is roughly the same for each window throughout the house is important for consistency. So, all items where fixed glass was included in the same unit as an opening casement was made as fake opener. This ensured that all of the visible frame widths lined through, and nothing looked out of place. Even the double door to the gym

There was a change of product when it came to the large single door: after discussions with both the customer and our lead installer, it was decided that this wide opening was to be filled with a thin, heritage-style aluminium door. The oak frame around the outside was originally as a way to adjust the squareness of the opening without negatively affecting the aluminium frame, the natural timber frame around the white door is a great addition aesthetically too.

Products used:

  • STM Tinium
  • Alitherm Heritage
  • Click the images below to enlarge

    STM Tinium triple window with 2 fake sashes
    Cotswold home with upgraded STM Tinium windows
    Cotswold stone home with RAL 9001 Cream White windows
    STM Tinium Cotswold home upgrade
    STM Tinium bay window with a stone tile cill
    STM Tinium bay window with matching bay posts
    STM Tinium double sidehung window with glazing bars
    STM Tinium double side hung windows with locking hoppe handles
    STM Tinium door with triple hinges for additional load support
    STM Tinium bay window in RAL 9001 cream white
    STM Tinium windows with 90 degree bay post
    Heritage Aluminium entrance door with Letterbox
    small STM Tinium fixed window
    STM Tinium side hung window with bay post
    STM Tinium double sidehung window with fixed central mullion
    STM Tinium Open side hung window door
    STM Tinium sidehung window with steel hinges
    STM Tinium window door with thin frames
    STM Tinium Window doorin RAL 9001 Cream White
    STM Tinium with welded aluminium mitres
    Triple STM Tinium windows with fake sashes
    A pair of STM Tinium sidehung windows with glazing bars
    Aluminium clad STM Tinium dormer windows
    Aluminium clad windows in a cotswold stone home
    Double window door with false mullion
    Heritage Aluminium entrance door in RAL 9010 Pure White
    Flush to mortar fillet install for STM Tinium windows

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