TLE 4th Quarter: Roofing and Drafting Terms

Roofing Fundamentals

• The primary purpose of a roof is to provide protection from the elements.
• The term for the horizontal distance that a roof projects beyond a wall is an overhang or eave.
• Flashing is used to prevent water from entering a building by directing water away from joints and seams.

Roof Components

• The triangular end of an exterior wall above the eaves is called a gable.
• A channel iron is a structural piece of rolled steel shaped to form a 90-degree angle.
• The vertical height of a roof is referred to as the pitch.

Roof Types and Purposes

• A valley rafter is a structural element that runs along the intersection of two sloping roofs, providing additional support.
• A nipa roof is commonly used in the Philippines for 'bahay kubo' and raw houses.
• The primary advantage of a hip roof is that it provides excellent protection from wind and weather.
• A shed-type roof is characterized by a single sloping surface, often used for simple structures.

Roof Planning and Design

• A roof plan is a detailed drawing that shows the layout and design of a roof, including its shape, size, and features.
• A ridge roll is a waterproofing material used to cover the ridge of a roof, providing additional protection from the elements.