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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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    • CommentAuthordelprado
    • CommentTimeJun 26th 2017
     
    I am thinking about this, also with the aim of blocking out all light, can anyone offer any advice?

    Thanks
    •  
      CommentAuthordjh
    • CommentTimeJun 26th 2017
     
    Two good books: Movable Insulation is one and Thermal Shutters & Shades is the other. Available second hand generally. The builditsolar website is also very useful.

    Internal shutters can cause problems with condensation and need good sealing. External shutters are better thermally but need better engineering because of wind, rain and dirt carried by both. What's easiest to do also depends on your particular house design.

    I thought about fitting them but ended up with none :cry:
    • CommentAuthordelprado
    • CommentTimeJun 26th 2017
     
    Thanks djh. As ever no magic answers :)
    •  
      CommentAuthordjh
    • CommentTimeJun 26th 2017
     
    If you've got the budget some firms do make electric-powered external shutters. That might count as a magic answer, then again it might not :confused:

    PS I don't know any names, I'm afraid, but I think Baufritz use them on some of their houses.
    • CommentAuthorborpin
    • CommentTimeJun 26th 2017
     
    Posted By: djhExternal shutters are better thermally but need better engineering because of wind, rain and dirt carried by both.
    Virtually every house in Germany has shutters so they really should not be too complex.

    The biggest issue I struggled with was, if using External Insulation, how to prevent a cold bridge where the shutter roll is, without having it stuck on outside. If I ever build again I will look at it but, as I want to clad the exterior with wood over insulation, this problem remains.
    •  
      CommentAuthordjh
    • CommentTimeJun 26th 2017
     
    Posted By: borpinVirtually every house in Germany has shutters so they really should not be too complex.

    The key point is 'insulated' shutters. There are lots of roller shutters and older classical folding shutters but they aren't generally insulated. Indeed many roller shutter boxes form a cold bridge through the wall. Insulated roller shutters are available but don't have much insulation and require a big mounting box, hence depending on the particular house as I said.
    • CommentAuthorSilky
    • CommentTimeDec 1st 2017 edited
     
    I just wanted to add to this subject as also on my mind..

    As mentioned Roller shutters ( Rollladen ) are almost standard in Germany. They come in various forms, some are filled with PU for better insulation, different depths and different materials are available, ( plastic, Aluminium etc.. ) and higher security specifications are available at a price. I hated the ugly things when I came to Germany but have come to appreciate the practical side, total blackout ( great for sleeping in ) and even unfilled plastic ones reduce draughts around ill-fitting windows and improve sound insulation. But that said I didn't want them on my own project because they are still ugly.

    Regarding the installation position they can be fitted in-board through the wall (between the top of the window and the lintel ) or out-board in front on the lintel. For me out-board with EWI makes sense. The catch is that as you increase the length and/or thickness of the shutter you need a bigger box which will eventually need to protrude forward of the facade, I suppose it depends on the style of the property if this is acceptable, but imo not suitable for a historic property. With a thin profile ( i.e. 11-13mm ) you won't get a huge ammount of insulation benefit at night, but still good for summer shading.

    I'm looking for other options. I had the idea of external hinged shutters that are similar to window frames, i.e. insulated profile with air-tight seal, I imagined replacing the glass with a high spec insulated panel and then something else on top (wood panel) to decorate. And the last wish would be a motorised opener to automate day/night/weather sensor dependent open/close. Do any window/profile experts know of a suitable profile that could be made up for this?

    So far in my Googling I've come across some motorised hinges and an Austrian company that makes a range of hinged shutters including the option for insulation in-fill panel. Not priced up yet but I presume they will be very expensive, as is typical for anything made to measure in the DACH lands. Still in the research process so I'm going to check out the books named above, thanks.
    •  
      CommentAuthordjh
    • CommentTimeDec 1st 2017 edited
     
    Posted By: SilkyRegarding the installation position they can be fitted in-board through the wall

    That's traditionally the way to build a huge thermal bridge into your wall. Are you saying there are products that avoid that pitfall? (PHI certified?)

    I'm looking for other options. I had the idea of external hinged shutters that are similar to window frames

    The commonly available alternative in German designs is sliding shutters rather than hinged ones, I believe. The builditsolar website has some useful DIY options as well as the books.
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