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Bi-Fold or Sliding Doors on our extension - advice please??

User
7 år sedan

We are just about to get drawings done for an extension but we are still in a dilemma as to what to do at the rear of the extension. We have a lovely view and want to make the most of it. i notice a lot of people say the weather does not do the doors justice in the UK - we are based in Perth Scotland. What is the best solution? It is an large u-shaped open plan living space. Overall dimensions are 33ft (rear wall for doors?) x 25ft. And if we do go for one of these types of openings, where should i get them from as we are based in Perth? Sorry so many questions!! (PS, Sorry about the mud in the photo - we are having our garden landscaped!)

Utvalt svar
  • PRO
    Synseal Group
    7 år sedan
    Go for the new generation of bifold doors called Warmcore - you can get a u value of 0.9 triple glazed - very thermally efficient. Individual leaf width of 1.0m and up to 6.0m wide. A 4-1 combination will give you a traffic door and a big opening door for when the weather is good. They have a good magnet solution to secure the leaf when it's windy

    Kommentarer (15)

    • ianthy
      7 år sedan
      You might think about a combination of doors - maybe sliding and a large picture window to make the most if the views all year round.

      We recently had 3m bifold doors and a large picture window installed by the bifold shop based in Gloucester, but the operate nationwide. Very happy with their service and cost.
      User thanked ianthy
    • acew1234
      7 år sedan
      I'm on Arran and am having a house designed at the moment.
      We have big north facing views and have decided on wide sliding Windows and a large box picture window to be used as a window seat.

      I doubt I would really get to use bifolds in our climate, if it is warm then opening the house up to midgies isn't a good idea.
      I also decided sliding door have less framing, bifolds will cut the view up.
      User thanked acew1234
    • PRO
      Kitchenpod - Temporary Kitchen Hire (Home use)
      7 år sedan
      Hi. Our architect took a different view. That having some detail in the window helps adds character. All a matter of opinion but if you have a nice view it will look nice however it is framed. Is it windy? Sliding would be better than bifold in that case. Rgds. Ed
      User thanked Kitchenpod - Temporary Kitchen Hire (Home use)
    • PRO
      Feioi
      7 år sedan

      As angelaew said, sliding doors have slimmer profile frames and the option for larger panels so you get more glass and less framework to obstruct your view. On the flipside, bifold doors can be folded back all the way which means you can open out the doors to the full width of the opening whereas sliding doors mean at least one panel width will be closed at all times.

      Another factor to consider is that bifold doors allow a normal hinged door for access but a sliding door can be heavy to move if you just need to get in and out. The costs are pretty similar so it basically depends on what your priorities are.

      Hope this helps! Good luck!

      Jennifer

      User thanked Feioi
    • PRO
      Oasys Property Solutions
      7 år sedan

      +1 for sliding doors/picture window

      55MR Extensions, remodelling and refurbishment of 1930s property · Mer info

      User thanked Oasys Property Solutions
    • tweakyb
      7 år sedan

      Either look really lovely. My prev extension I had bi-folds. However living in Northern Ireland and room north facing they were only opened a few times. The people who have bought the house said they have opened them fully twice in last three years. I am now doing a another renovation in 110 year old house. Garden is south facing but have went with patio doors with 2 glass panels that fold right back on each other. A third of the price of the bi-fold, and more in keeping with age of house than sliding. They aren't fitted yet so hope I have made right decision?

      User thanked tweakyb
    • PRO
      DAG Inter ltd
      7 år sedan

      Hi,

      Both will look lovely with that type of view. We have found that sliding doors need less Adjustment long term. Costs a similar so personally it comes down to preference . Good luck and please keep us informed the choice you went for .

      www.daginter.com


      User thanked DAG Inter ltd
    • User
      Författare
      7 år sedan

      thanks everyone for their comments - very interesting!

      Tweakyb - where do you get your glazing from? it sounds interesting.

    • PRO
      Wonkee Donkee XL Joinery
      7 år sedan
      Ändrades senast: 7 år sedan

      Glazed doors are available in various styles. You can get good-quality folding doors in white or oak with large clear glass that will open up half of your wall when open but will provide you with an excellent view when they are closed. Additional windows or glazed external doors on the side wall would easily give you access to the views.
      15ft folding doors that are fully glazed

    • PRO
      Reid Architects
      7 år sedan

      I enjoyed reading the responses above and there is some great feedback from people with experience of the products. We like uninterrupted views - so sliders in preference - which reduces the amount of solid structure. And agree that there are a limited number of UK days when fully open is comfortable. Though having a roof projection over the opening means that open doors when it is raining is possible - a real treat sometimes to sit and hear rainfall. Always have a single leaf hinged door close by for day to day use - neither sliders or bi-fold are good for frequent use in my view. Push the boundary for budget as far as you can be comfortable with on this element - whether bi-fold or sliding. As a moving piece of architecture you need to know it will perform mechanically over time and that the weather exclusion is the best you can achieve (your picture looks beautiful but I suspect Perth has the odd off day!).

      Simon Reid

    • Bow Sward
      7 år sedan
      We are in London and put in white aluminium powder coated bifolds two summers ago ordered from a local window installer. Although I take the point about midges, especially in Scotland, we put up with the insects (get as many interesting ones like lacewings as we do unwanted ones and they all tend to take themselves out again anyway) for the wonderful view when they are fully open. We have neighbours with sliding glass (which does have narrower frames) but their remaining fixed section has to be immaculately clean to even approach having as good a view as ours - the effect just isn't the same. We also quite like having a triptych of the garden when it's pouring with rain or too cold to have them open. Our weather is probably drier than Perth's but we have them open very frequently at least some, if not all of the day, several times a week on average from early Spring to late Autumn.
    • Lisa Burdett
      7 år sedan
      Bi folds only work if the outside ground is the same level. Otherwise not worth the added expense. I personally prefer French doors with Windows either side. Much more character and less cost.
    • tweakyb
      7 år sedan

      Hi- maybe I made the patio doors sound more exciting that they are?? They are four panels- the 2 outer ones are fixed (Windows really) the 2 doors in centre have 360 hinges so doors fold right back. It is just a local supplier. Ours are hardwood- but they can B done with these hinges in other materials too.

    • PRO
      IDSystems
      7 år sedan

      There is no right or wrong answer - and
      as suppliers and installers of award winning versions of both bifold AND sliding door
      systems we have no bias towards one or the other. Our teams install nationally, from Shetland to the Channel Islands...and everywhere in between.

      When we get asked this question by customers there are a number of
      initial things we would ask to try and make some recommendations - and
      we have written a blog all about these. Probably the most valuable question is realistically how often are you likely to have the doors fully open.

      Our SF55 aluminium bifold doors can be manufactured up to 1.1m wide and have an
      industry leading narrow sightline of 115mm (the amount of frame visible
      when closed) and over a 29' 6" run of 9x1m panels you will have 8
      intermediate frames totalling 920mm of aluminium.

      We do two aluminium sliding door systems the Grand Slider (83mm sightlines) or our award winning theEDGE
      (narrow 24mm sightline) - both can take glass sizes of up to 3m wide so
      over a 9m run of 3x3m panels you will have 166mm of intermediate
      aluminium visible with the Grand Slider and just 48mm visible with
      theEDGE.


      So if your doors are closed more often than open there is
      significantly less frame than glass in sliding doors - maximising your views - however the trade
      off is that unless you opt for a pocket slider you are not able to open a
      sliding door completely to create a total 9m opening like you are with
      bifold doors - you would only open 6m of the 7m (or 6.75m if you went
      for four sliding door panels).

      In terms of thermal performance both SF55 and the sliding door
      systems can be double or triple glazed and achieve pretty similar
      U-Values and in terms of price the SF55 and Grand Slider systems work
      out to be almost identical - although theEDGE is a bit more because of
      the advanced engineering required to create such a narrow profile. There is also the option of the SF75 bifold door which has a U-Value of 0.9W/m2K which is the lowest of any aluminium system on the market.

      Given your location and your views, my personal recommendation would be sliding doors, because you maximise your views even when closed - but it is whatever is best for you and it may well be a combination of sliding doors and fixed frames provide the perfect and cost effective solution.

      If you have any questions do not hesitate to ask and good luck with your project!

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