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Materials for The Frame of a House

The Frames of  a Houses are traditionally designed from wood like the farmhouse frame. Nevertheless, other materials can also be used, mainly for their architectural flexibility.


The wood used for the creation of a framework must be chosen with care. They must be selected based on their local presence to minimize transportation costs and the environmental impact of your project. They can come either from deciduous trees (in this case slaughtered in winter without sap rise), or from conifers (which can be slaughtered all year round).

Whatever the species selected, they are all the more resistant as their growth is slow (mountain trees are more resistant than lowland fast-growing trees). For reasons of quality and ecological performance, if possible choose sustainable certified woods, for example, FSC or PEFC.

Some species of wood are better suited than others for the manufacture of a framework. Here are some examples of species to use for this type of construction:

Some species of wood are better suited than others for the manufacture of a framework. Here are some examples of species to use for this type of construction:

Wood type Works
Scots pine, spruce, Douglas fir, elm, maritime pine, oak, poplar. Large framing pieces
Chestnut, fir, poplar, oak Herringbone and joist
Ash, acacia, oak. Anchors
Birch, fir, poplar Lattes


Wooden structures have the advantage of being ecological and easy to implement. From a purely aesthetic point of view, the exposed beam constructions also have many followers.

Nevertheless, this solution is less suitable for certain types of roofing, in particular in the case of a flat roof construction. For this purpose, the concrete frame, which is stronger and more resistant to fire, is preferred. Also note that the wood needs a special treatment (more or less chemical), whether against fungi, weather or insects. In addition, some wood defects are to be avoided absolutely for use in the entry (beam which carries the crossbowmen and the punch):

  • the slots in the length of the room,
  • the knots,
  • the remains of flake (bark) more than 1/5 of the section of wood.

As an indication, count about 7 000 € for a frame with 2 sides of 150 m2 treated and calibrated fir.


Steel structures have emerged thanks to the new opportunities offered by the steel industry.These structures have a range similar to that of reinforced concrete while being lighter, especially on the ground reach.

For the construction of a metal frame, preference is given to rolled rather than mild steels which may deform. The most commonly used steels are S235, S275, and S355.

The advantages of a steel Frame of a House The disadvantages of a steel Frame of a House
Flexibility and maneuverability Low fire resistance (becomes flexible and bends under heat)
No need for special treatment Less aesthetic than wood
More resistant than wooden frames (allowing more complete and complex projects: larger openings, fewer bearing walls, shallower foundations, etc.)



For a long time shunted, the concrete frame is more and more used on the sites of individual houses. Although it can adapt to all roof configurations, it is mainly used in the case of a flat roof, low slope or roof terrace.

Several types of concrete can be chosen:

  • Prestressed concrete: very good sensor of the pulls exerted by the structure and risk of weak cracks.
  • Reinforced concrete: ideal for renovation projects.
  • Lightweight concrete: often chosen for its acoustic and thermal performance.
The benefits of a concrete Frame of a House The disadvantages of a concrete Frame of a House
Solidity (it is one of the most resistant materials in time) Really beneficial only for small litters
Fireproof (do not be afraid of fire) May seem less aesthetic than wood despite the possibility of making beautiful finishes of its facings.
Save time (climb faster than a wood frame)


In itself, a concrete frame of a house does not cost more than a wooden frame: about 90 € / m3. But the purchase of other complementary elements such as the basic beams (for flat roofs) and the intervention of a professional often essential to its implementation make the final bill a little higher.

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