With a basement extension, the living space can be extended
well. We say what matters.
Your house is bursting at the seams? Then maybe a cellar
extension is the solution. The basement is often used for parties, the in-house
sauna or for the storage of fine wines. Keller can also be transformed into
high-quality living space if it is dry and has enough windows. What you can do
with your cellar and what you need to pay attention to here.
Arguments for the basement cellars are often treated
neglected. Here everything accumulates, what is not needed in the house and
apartment at the moment. But cellars can be much more than junk rooms: under
the right conditions, they can be converted into full-fledged living space.
This has the following advantages:
They have more space, which you can use as a retreat, as an
additional playground for the children or to accommodate guests.
A cellar extension increases the property value.
The insulated basement reduces the heating costs of the
house as a whole. It is best to plan the extension of the basement in
cooperation with a certified specialist planner ( energy consultant ) and adapt
it immediately to the current energy-saving guidelines.
Minimum requirements for the basement
expansion Who wants to expand the basement to the apartment
should find out in the respective state building regulations, which minimum
requirements apply in their own country for living spaces in the basement.
In Berlin basement apartments must have a clear height of
2.50 meters; in Bavaria, North Rhine-Westphalia, Rhineland-Palatinate,
Saarland, Schleswig-Holstein and Hesse it is 2.40 meters, in all other federal
states only 2.30 meters. Similarly, there are different specifications for the
window sizes: In Hesse, Bavaria and Berlin, the window areas must be at least
12.5 percent of the floor space of each room, in the other federal states,
there are only 10 percent. Important: You will be charged for the approval of
the conversion work.
The specifications do not apply if you use the rooms
yourself. Then cellar rooms can be converted into work or children's rooms
without the need for approval.
Necessary construction measures:
Install heaters (you can not do without them, as they
protect against condensation in combination with the insulation)
Insulating walls and ceiling
Basically, the floor and walls must be insulated. Ideally,
you have everything so planned right at the house construction that the
subsequent basement expansion is not a big problem. Otherwise, the effort
increases. Should a new entrance be installed? Would you like to exchange or
even enlarge windows? Such details must be considered early in the planning of
the insulation.
External insulation is recommended in cellars. If this is
not possible, it can also be insulated from the inside - for example with
calcium silicate boards. In rental and multi-party buildings, an additional
sound insulation on the ceiling is important to swallow the impact sound from
the ground floor.
Useful insulation measures
In freestanding old buildings, sealing from the outside
makes sense: expose the walls from the outside and insulate them with bitumen
emulsion
A drainage system that drains water into the sewage system
Subsequent installation of a horizontal barrier: it prevents
moisture from rising from below into the walls
Installing windows
There are various ways to provide the basement with the
necessary daylight, even if it is not possible to install windows or enlarge
existing windows on the side walls:
High-lying basement windows, for example, designed as a
window hinge, are always a good idea: Among them, even larger furniture space -
so even the area of small spaces can be well utilized.
Even rooms with pipes and expansive pipes can be used by cladding
these components. The best way is that the same size built in wardrobes, where
you can stow all sorts of stuff. Because: As chic as you expand your cellar,
you will still need it as a storage area.
A built-in closet provides for many cubic meters of storage
space in this basement room. In addition to the daylight that falls through the
door, an LED light strip illuminates the room.
To build a cellar to the bathroom who intends to accommodate
a shower or a toilet in the basement, needs a lifting system, which pumps off
the water. Because basement rooms are located below the so-called backwater
level, which is usually at the height of the road surface. This means that if,
for example, the public sewage system has run aground after heavy rainfall, the
water created under this level can not naturally drain away.
Ideas for cellar use: the sauna
In addition to the insulation required by default, further
criteria must be observed when installing a home sauna in the cellar.
For saunas that want to use more than one person, usually a
three-phase connection with 400 volts must be placed.
If possible, the sauna exhaust air should be discharged to
the outside via an opening in the wall (wall opening).
Source: indecortrends.com
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