A wooden house includes many elements in solid wood as in derivatives of different natures. If desired, this type of construction can be entirely wood-based, from the structure itself to the cladding, through the framework, insulation and floors.
1. THE STRUCTURE
It is classically made of conifer, fir, spruce, pine or Douglas fir. Dry, butted or laminated wood is used. All wood must be treated to a minimum Class II (insecticide and fungicide). The wood must be healthy, without stinging or heating, with a moisture content of less than 18%. The edge nodes will be less than 2/3 of the thickness.
• The structure of the house includes the frame of the walls, but also the frame. It is also made of softwood, fir and spruce, Douglas fir and larch for certain sections, maritime pine for the stems. All these woods are cut into planks, joists, rafters, planks, posts and beams.
• The frame is traditionally made by assembling solid wood elements by recess or connectors, but also very often by mounting "farmhouses" constituting an industrial framework. The wood is here treated in Class IV autoclave.
• Certain elements In particular, the floors are made of I-beams, made entirely of wood, or made of solid wood members and an OSB core.
• Glulam (usually fir-spruce) can be used for some column-beam structural elements, gantries, load-bearing beams and joistings, especially of large span. They offer a high stability, a very high mechanical resistance and a gain of implementation, since they are already planed and thus ready to paint or to stain. These elements are also available in large sections.
• The walls of a wooden house consist of:
- a frame;
- laminated panels.
Again OSB is very used
2. THE WOOD OF THE BARDAGES
The "skin" of a wooden house can be realized in different ways, the most homogeneous being certainly the cladding.
Different solutions are here:
- natural wood - Red Cedar, larch, Douglas fir, chestnut, Ipe or other exotic woods - not very sensitive to meteorological aggressions and requiring practically no maintenance treatments;
- Northern fir type natural wood, painted or stained in the factory, autoclaved class III, guaranteed for 10 years, offering colored finishes;
- treated natural wood left raw, planed and treated with auclave (Class III), requiring regular maintenance treatment.
1) natural wood
2) natural wood
3) Natural treated wood left raw northern fir
• PVC (alone or in combination with wood, composite cement, high-density wood cladding, extruded composite wood cladding are other effective solutions to achieve the "skin" of a timber frame house
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