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2. Soffit - Wikipedia

   en.wikipedia.org/wiki/Soffit

   A soffit is an exterior architectural feature, generally the horizontal, aloft underside of the roof edge. Its archetypal form, sometimes incorporating or implying the projection of rafters or trusses over the exterior of supporting walls, is the underside of eaves (to connect a supporting wall to projecting edge(s) of the roof ).

3. Domestic roof construction - Wikipedia

   en.wikipedia.org/wiki/Domestic_roof_construction

   This is why UK Building Regulations require roofs to be ventilated, either by the use of soffit vents, ridge vents, or replacement ventilation slates or tiles. [7] A common method of ventilating a roof is to make openings in the soffit and ridge to allow natural air flow. This example also has ventilated exterior walls called rainscreen ...

4. Flashing (weatherproofing) - Wikipedia

   en.wikipedia.org/wiki/Flashing_(weatherproofing)

   In earlier days, birch bark was occasionally used as a flashing material. [7] Most flashing materials today are metal, plastic, rubber, or impregnated paper. [8]Metal flashing materials include lead, aluminium, copper, [1] stainless steel, zinc alloy, other architectural metals or a metal with a coating such as galvanized steel, lead-coated copper, anodized aluminium, terne-coated copper ...

5. Ventilation (architecture) - Wikipedia

   en.wikipedia.org/wiki/Ventilation_(architecture)

   Ventilation is the intentional introduction of outdoor air into a space. Ventilation is mainly used to control indoor air quality by diluting and displacing indoor pollutants ; it can also be used to control indoor temperature, humidity, and air motion to benefit thermal comfort , satisfaction with other aspects of the indoor environment, or ...

6. List of roof shapes - Wikipedia

   en.wikipedia.org/wiki/List_of_roof_shapes

   Roof shapes include flat (or shed), gabled, hipped, arched, domed, and a wide variety of other configurations detailed below. [1]Roof angles are an integral component of roof shape, and vary from almost flat to steeply pitched.

7. Eaves - Wikipedia

   en.wikipedia.org/wiki/Eaves

   The underside of the eaves may be filled with a horizontal soffit fixed at right angles to the wall, the soffit may be decorative but it also has the function of sealing the gap between the rafters from vermin and weather. Eaves must be designed for local wind speeds as the overhang can significantly increase the wind loading on the roof. [7]