Should you build with a timber frame, a traditional frame, or a hybrid structure? When you decide to build your house in the Southwest of France, it's not always easy to know which structure to choose. To avoid making a mistake, hiring a specialized and experienced builder is the right solution. Maisons SIC has been building new homes for 50 years and guides you in your choices.
Building in the Southwest: a specific climatic and regulatory context
In a region experiencing increasingly hot summers, the structure directly influences the quality of life. The Southwest is experiencing a marked rise in temperatures and a greater frequency of heat waves. According to Meteo FranceThe average temperature in France has increased by 1,7°C since the beginning of the 20th century. This trend necessitates construction choices capable of limiting summer overheating.
The RE2020 environmental regulations This reinforces the requirement for comfort. It is no longer limited to winter energy performance. It now incorporates a summer comfort indicator, the degree hour of discomfort, called DH. According to the Ministry of Ecological Transition, this indicator aims to limit uncomfortable housing during periods of intense heat.
In this context, objectively comparing structures becomes essential. The structure impacts thermal inertia, insulation, and the building's ability to remain comfortable in summer. It also determines construction timelines and the overall project organization.
Timber frame construction in the Southwest: performance and requirements
Building with a timber frame Initially appealing were its thermal performance. This construction method relies on a lightweight structure combined with continuous, high-performance insulation. It easily meets the requirements of the RE2020 standard. Timber-frame houses offer excellent energy efficiency, with limited heat loss.
Wood also offers a recognized environmental advantage. It is a renewable material, sourced mainly from sustainably managed forests in France. According to ADEME, one cubic meter of wood stores approximately one tonne of CO₂ over its entire lifespan.This storage capacity helps to reduce the building's overall carbon footprint.
Building with a timber frame also allows for shorter construction times. Thanks to prefabrication in the workshop, a large part of the structure is prepared in advance.
According to a study by FCBA regarding timber construction, The average duration of a timber frame construction project is between six and eight months. By comparison, a traditional house often requires between ten and twelve months of work.
However, this lightweight structure has little natural thermal inertia. In a hot region like the Southwest, this becomes a crucial point. Without proper design, a timber-framed house can quickly overheat. Summer comfort therefore depends on precise choices made from the initial design stage.
According to FCBA, summer comfort The performance of timber-frame construction depends primarily on three factors. Building orientation, solar protection of openings, and ventilation play a key role. Adding materials that provide thermal mass, such as heavy screeds or partition walls, also improves thermal performance.
Therefore, building with a timber frame requires a high level of technical expertise. which has owned for years Maisons SIC.
Air tightness, moisture management, and the interfaces between walls must be perfectly controlled. An implementation error can have consequences for the building's durability. This is why the builder's experience remains crucial.
Traditional construction: proven inertia and robustness
Traditional construction relies on heavy materials such as brick or concrete. These materials provide significant thermal inertia. This inertia allows heat to be stored and released slowly. In the Southwest, this advantage helps to limit indoor temperature spikes.
Thermal inertia This allows for the shift of heat input by several hours. The house thus remains cooler during the day. This phenomenon improves summer comfort, particularly during periods of intense heat. It also reduces reliance on air conditioning.
Traditional construction benefits from a well-established technical framework. The methods are widely tested and recognized by insurers. It integrates easily with the constraints of local urban planning regulations. It therefore remains very widespread in the Southwest.
However, its thermal performance depends heavily on insulation. Poor design creates significant thermal bridges. According to ADEME (the French Agency for Ecological Transition), these bridges can account for up to 20% of a home's heat loss. Therefore, the quality of the insulation becomes essential.
Construction times are also longer. Traditional construction requires several wet phases, with unavoidable drying times. According to the French Building Federation, the average duration of a traditional construction project is between ten and twelve months. Weather conditions may further extend this delay.
Traditional construction remains a reliable and durable solution. It is suitable for projects seeking high thermal inertia and proven robustness. However, it requires close attention to thermal design. Without this, its advantages can be partially negated.
The mixed solution: an increasingly sought-after balance
Hybrid construction combines several building systemsIt typically combines a masonry base with timber-framed elements. This approach aims to leverage the advantages of each material, optimizing comfort, construction time, and environmental performance.
In the Southwest, this solution is experiencing significant growth. Mixed-use projects are steadily increasing in the single-family housing sector. They address climate constraints while respecting regulatory requirements. They also offer considerable architectural freedom.
The principle is often the same. A masonry ground floor provides thermal mass and stability. Timber-framed upper floors or extensions allow for faster and lighter construction. This combination improves summer comfort without excessively lengthening the construction time.
However, the hybrid solution requires rigorous technical coordination. The junctions between materials are critical points. Poor management can lead to thermal or structural problems. These interfaces must be addressed with particular care from the design stage.
Construction times remain moderate. According to feedback from the industry, a mixed-construction project typically takes eight to ten months to complete. This timeframe depends on the proportion of masonry and timber construction. However, it is still shorter than a completely traditional building.
Comparison of advantages based on the structure of your house construction
| Criteria | Wood frame | traditional | Mixed |
| Construction deadlines | 6 to 8 months according to FCBA | 10 to 12 months according to the FFB | 8 to 10 months according to the Wood Observatory |
| Summer comfort | Very good if the design is optimized. | Favored by inertia | Excellent when well balanced |
| Impact carbone | Low, wood stores CO₂ according to ADEME | Variable depending on materials | Optimizable |
| thermal inertia | Naturally weak | Élevée | Targeted |
| Scalability | Extensions made easy | Heavier extensions | Very flexible |
How does Maisons SIC Does it secure the choice of structure for your house construction?
Maisons SIC Drawing on 50 years of experience in the Southwest, each project begins with a precise analysis of the site and its surroundings. Orientation, exposure, and local constraints are systematically studied. The structure is then chosen to be consistent with these parameters.
Our teams integrate the RE2020 requirements from the initial design phase. Summer comfort is given the same level of consideration as energy performance. Technical choices are explained transparently. The client understands the advantages and limitations of each solution.
To guide the decision, several criteria are systematically analyzed:
- local climatic constraints
- summer comfort objectives
- expected construction times
- housing development potential
- consistency with the overall budget
Timber frame construction can be an ideal solution in the Southwest. It offers speed, performance, and a low carbon footprint. However, it requires rigorous design and expert execution.
It is in this balance that Maisons SIC has been supporting its clients for five decades: contact us!
