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