WOOD THAT IS THE STRUCTURE OF PREFABRICATED HOUSES MUST BE PROTECTED FROM DIRECT CONTACT WITH WATER, AVOID DANGEROUS Rising damp 'capillary'.
I like many others, especially in recent times, I'm going to build a wooden Biocasa. This is a chalet on 2 levels for which I am currently evaluating both the technical xlam than that in the loom.
In the case of my project, the living area is semi-buried, there is in fact a portion of the area that day for obvious reasons is buried volume.
What are the risks of using the "timber" for the construction of the basement? Obviously
project is expected a gap of 70cm, but I was wondering if the environment is poorly lit and ventilated shortly and then inevitably wetter could create problems in the years to wooden structures.
Needless to say that all companies of prefabricated homes consulted did not raise any problem but one that just yesterday put me think about why the famous "flea in his ear.
Also I would not stubbornly want to do the wooden house only to find problems to have a beautiful terrace (roof), which unfortunately carries water and moisture to the living area below.
The fact that many companies wooden houses have favorably considered the feasibility intervention should not be interpreted in my view as a lack of scruples. In practice, the cavity, if well conceived, can be more than enough to ventilate the floor, avoiding persistent wet conditions.
I understand we're talking about a plan partially buried and not a basement.
The installation at this level of building a plant controlled mechanical ventilation with heat recovery would ensure optimal conditions of water content in the air, controlling the humidity in all seasons.
course, while the intervention can be considered eligible, you should see if this solution is entirely suitable for the construction of the basement. A building in brick or concrete, keeping the gap from adequately protected by a thermal insulation on the outside, it might be interesting from a purely thermal, making it more suitable under the constructive aspect. Clearly should know the project and the technical choices are planned to maximize the waterproofing of the building. In this case, will have access to the plants, the feeling is that the intervention is feasible in the basement on wood in that tradition.
Let us therefore summarize the pros and cons of both.
CONSTRUCTION TRADITIONAL :
- Ideal for action against the ground or in damp persistent if properly sealed, can avoid extracost the jacket.
- costs low and average.
- Insulation acceptable if properly insulated with the outer coat.
- Maintenance limited in time.
prefabricated wooden houses
- You can not lay on the ground, therefore, need an air properly designed, better if with mechanical ventilation system.
- Higher costs of the traditional.
- High insulation even in the basement, that is the floors above.
- Maintenance constant over time and monitoring to prevent ponding of moisture, in particular the area around the ground.
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