The construction of a wooden balcony

Wooden balconies look at first glance like simple constructions. Although they are actually, yet the construction of a wooden balcony is based on numerous experience and the peculiarities of such a component at exposed position on a house façade. Below we have therefore summarized the most important features of the construction of wooden balconies for you.

Distinction of wooden balconies after construction

Wooden balconies not only have their own character, they also shape the overall picture of a house or the facade significantly. At first glance, several design differences with the naked eye can be recognized:

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  • the self-supporting wooden balcony
  • the non-self-supporting wooden balcony at least integrated into the facade
  • the weather-protected wooden balcony
  • the wooden balcony completely exposed to the weather

The self-supporting wooden balcony

Wood is also an ideal material for experienced do-it-yourselfers. The self-supporting wooden balcony in particular also has a number of advantages in this regard. A self-supporting wooden balcony can also be built by DIY enthusiasts with the appropriate specialist knowledge. By the way, you can find out how to build a wooden balcony yourself here.

The non-self-supporting wooden balcony

There is no need to intervene in the fabric of the building. Rather, the balcony is self-supporting on the facade. The non-self-supporting wooden balcony is a bit more complex. The beams that pick up the ground, but also for the attachment of parapet or. Series serve, must be firmly connected to the house construction or. get connected.

Subsequent construction of a wooden balcony

In case of an existing construction, this means a significant conversion costs, with new buildings such a balcony must be absorbed by the architect in the overall planning. Consequently, home improvement is more interested in the self-supporting construction of a wooden balcony. This can be distinguished again in addition to weatherproof and unprotected construction.

The construction is exposed to this weather influence

Especially when using the natural building material wood is of great importance, because all weather conditions act differently on the balcony construction:

  • UV radiation of the sun
  • Moisture and wet (rain, snow and ice)
  • Temperature fluctuations

As a result, the wood changes permanently. It deforms, absorbs and releases moisture. The UV radiation affects the organic composition of the wood (lignin is destroyed). At the same time, the wood bleeds out (certain wood core components leak out, resin deposits are visible).

The damage from infestation

This damage prepares plant and animal pests in particular to find their way into the wood with almost no resistance. With possible infestation or. a corresponding damage must therefore be distinguished in the balcony construction according to certain components, namely the load-bearing and non-load-bearing components. In particular, the load-bearing components of the construction must be particularly protected.

Usage and usage classes to which the wooden balcony construction falls

Therefore, wooden balconies are classified accordingly in their construction in some DIN regulations.

DIN 1053, use classes:

  • Usage class 2: covered, open constructions
  • Usage class 3: The weather exposed constructions

There is also a classification in utility classes that are similar but in more detail. In the DIN 68800-1, this distinguished as follows:

  • Weatherproof (without indirectual stress due to the weather)
  • Weatherproof (permanent stress due to weather conditions)
  • Construction without splashing water
  • Constructions with splashing water and bursts

Construction and wood properties must be coordinated

Then, for example, corresponding specifications follow how the individual wood components of their balcony must be connected together. Tenons, as they are made by carpenters, are permitted or, for example, depending on the usage and usage classes. not allowed. Connections made of other materials such as metal (screws, nails, brackets, threaded rods (€ 12.40 at Amazon *) and claws) must not corrode and must at least be galvanically treated.

Everything to consider when constructing a wooden balcony

Even the pretreatment and type of wood (for example pressure-impregnated spruce wood) is excluded according to these classifications, especially for load-bearing components that are exposed to the weather. It follows from this that the construction of a wooden balcony must be planned particularly well. The following criteria are therefore essential:

  • Wood species
  • Treatment of the wood
  • Use and usage classes
  • Connection techniques
  • Protection or. Execution of the stand

So you cannot go and simply "screw together " a wooden balcony according to your ideas or attach it to the wall. You may have to seal the wooden balcony and also take into account regulations and requirements for renovating wooden balconies.

Tips & Tricks But before you even get into the planning phase, you must first clarify whether you are even allowed to assemble a balcony. While the building code and the respective applicable state building regulations define basic regulations, detailed requirements are recorded in the local authority's development plan. For the construction of a wooden balcony, a building permit or building notice (depending on the federal state) is required in any case. This in turn requires corresponding plans by people and companies certified for this.