Superstructure - Roofs

What is the main purpose of a roof?

• Provide strength and durability to a building

• Enhance the appearance of the building

• Prevent the loss of heat from the building
  
  

• Provide sound insulation

Which roof type has a maximum pitch of 10°?

• Pitched Roof

• Flat Roof
  
  

• Gable End Roof

• Hipped Roof
  
  

What two types of timber are commonly used for the structural elements of roofs?

• C12 class

• C16 class
  
  

• C20 class

• C24 class

Which roof shape is the simplest?

• Gable End

• Hipped

• Barn Hip Gablet

• Right Angled

What is the purpose of a valley rafter in roof construction?

• To provide sound insulation

• To enhance the appearance of the building
  
  

• To allow for Cripple Rafters to be fixed at their feet
  
  

• To transfer load to walls and provide a fixing for jack rafters

Which roofing material is mainly used for religious buildings and flashings?

•  Lead

• Slate

•  Tiles

•  Felt

What is GRP?

• Glass Reinforced Plastic

• Galvanized Roof Panels

• Gravel Roof Protection
  
  

• Green Roofing Product

Which roofing material can be manufactured from clay or concrete?

• Lead

• Slate

• Tiles

• Felt

What is the purpose of flashings in roofing?

• Provide strength and durability to a building

• Prevent the loss of heat from the building

• Enhance the appearance of the building

• Provide waterproofing at joints where roofing meets walls or around chimneys

What is a wall plate in roofing terminology?

• A load bearing timber sat over timber, brick or blockwork

• A type of roof flashing

• . A wooden structure at the ridge of a roof

• What tiles are nailed too