1. Competency: 206.00 Draw exterior elevations Objective: 206.01 Identify terms and definitions related to exterior elevations.

2. Elevations Exterior views of a structure

3. Elevations Terms & Definitions Grade line – the spot where the soil surface strikes the building; the reference point for most elevations Cornice – the part of the roof that extends out from the wall, sometimes referred to as the eave Eave – the lower part of the roof that projects from the wall, sometimes referred to as the cornice

4. Elevations Terms & Definitions Roof ridge – the uppermost area of two intersecting roof planes Rail – decorative barriers and supports typically used to enclose porches and decks

5. Elevations Terms & Definitions Projection – Horizontal or vertical guidelines used for transferring measurements orthographically from one view to another

6. Elevations Terms & Definitions Surface materials – the materials used to protect the building from the weather Flashing – metal used to prevent water leaking through surface intersections Stucco – a type of plaster made from Portland cement, sand, water, and a coloring agent that is applied to exterior walls

7. Elevations Terms & Definitions Skylight – an opening in the roof to allow light and ventilation that is usually covered with glass or plastic Topography – physical description of land surface showing its variation in elevation and location of features such as rivers, lakes, or towns