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Btec Construction Unit 5
Methods of construction for domestic buildings
Different types ofstructures
• Up to the 1920s most buildings had solid walls
Cavity walls• The cavity prevents
moisture passing through the wall.
• As long as the cavity is kept clean and the wall ties are correctly positioned
• Water is free to run down the inner face of the external wall
• The water drips safely below the DPC.
Cavity Walls
Timber frame wall construction
Pre-fabricated
Pre-fabricated
Timber frame house
From the inside
What do you think is more efficient?
Modern insulation materials
• Rockwool• Recycled Paper• Sheep's wool
• Polystyrene balls
Flat and Pitched Roofs
Where is the insulation ?
Which one is more efficient ?
Modern Trussed Roof
Traditional “Cut” Roof
Stairs, Doors, Windows
Construction of Floors
• Suspended Timber floors
• Solid Floors
Solid Floor Screed
Internal Walls
Services
Different structural stability
• What is a internal load bearing wall?
Concretefoundations and excavation
What are the different types of foundation?
Narrow strip foundation
Wide strip foundation
Raft foundation
Pad foundation
Excavation
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