9. Ventilation of the underside of the roofing
Ventilation of the underside of the tiles and their supports must be ensured. This ventilation is essential to ensure the long-term preservation of the tiles and their wood supports.
The space to be ventilated under the roof consists of :
or through the volume of the attic if it is not occupied and the roof has no screen;
or by the air space between the underside of the roof and its support, and the upper surface of the insulation or screen under the slope.
In addition, when installing a screen, the underside must also be ventilated.
Ventilation is provided by eaves and ridge vents connected to the exterior. Depending on the configuration of the roof, the total cross-sections of these ventilation openings are shown in the...
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Ventilation of the underside of the roofing
References
Works
Standardization
European standards
Tiles
- Clay roof tiles for discontinuous laying – Determination of flexural strength. French standard classification: P 31-307. - NF EN 538 - 12-1994
- Clay roof tiles for discontinuous laying – Determining physical characteristics – Part 1: impermeability test. French standard classification number: P 31-308-1. - NF EN 539-1 - 12-1994
- Clay roof tiles for discontinuous laying...
Technical organization websites
AFNOR (Association française de normalisation) http://www.afnor.fr
CSTB (Centre scientifique et technique du bâtiment) http://www.cstb.fr
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