Wall Systems

Question 1

High mass walls

Answer 1

• Double brick
• reverse brick veneer
• insulated concrete
• earth-bermed
• rammed earth

Question 2

Low mass walls

Answer 2

• Lightweight
• cross-laminated timber
• structural insulated panels
• log walls
• cladding

Question 3

Composite or mixed mass walls

Answer 3

• AAC (Autoclaved Aerated concrete)
• concrete block
• mudbrick
• straw bale
• panel systems
• hemp lime composite

Question 4

are masonry and included brick, concrete block and precast concrete.

Answer 4

High mass wall systems

Question 5

Uses varying levels of cement depending on earth type and therefore has high embodied energy than mud brick

Answer 5

Rammed earth

Question 6

must be insulated, and provide most thermal performance benefit when insulated externally and exposed internally.

Answer 6

All high mass wall systems

Question 7

These have high thermal mass and high embodied energy. They require cavity insulation.

Answer 7

Double brick

Question 8

They are low maintenance and high durable on stable soil types.

Answer 8

Double brick

Question 9

This wall system are usually high cost

Answer 9

Double brick

Question 10

This wall system has high thermal mass and good thermal performance if coupled with effective external insulation.

Answer 10

Reverse brick veneer

Question 11

These walls are very durable and require little maintenance for the internal surface

Answer 11

Clay brick walls

Question 12

This wall system cost varies from average to high, depending on mass type and cladding

Answer 12

Reverse brick veneer

Question 13

Are the most common materials used for residential buildings

Answer 13

Brickwork and blockwork

Question 14

Brickwork and blockwork can be formed as:

Answer 14

• brick veneer
• reverse brick veneer
• double brick
• solid brick

Question 15

where the bricks are the external surface of the building, in conjunction with an internal frame

Answer 15

Brick veneer

Question 16

Where the bricks are the internal surface of the building to provide thermal mass, in conjunction with an external frame

Answer 16

Reverse brick veneer

Question 17

With 2 layers of bricks and a cavity in between

Answer 17

Double brick

Question 18

Mostly used for internal walls

Answer 18

Solid brick

Question 19

Are components of durable masonry construction, in which uniformly shaped individual units are laid in courses with mortar as the bed and binding material

Answer 19

Bricks and blocks

Question 20

Is usually left exposed for its aesthetic qualities

Answer 20

Brickwork

Question 21

Types of brickwork and blockwork

Answer 21

• clay and concrete brickwork
• blockwork
• stonework
• timbercrete
• glass blocks

Question 22

Is made from selected clays that are moulded or cut in shape and fired in ovens

Answer 22

Clay brickwork

Question 23

Are affordable, readily available, mass-produced, and thoroughly tested modular building components.

Answer 23

Clay bricks

Question 24

Are the same size and intended for the same uses as clay bricks.

Answer 24

Concrete Bricks

Question 25

is construction with concrete or cement blocks that are larger than a standard clay or concrete brick.

Answer 25

Blockwork

Question 26

is used to make a special kind of concrete blockwork much lighter than normal concrete and with significantly higher thermal resistance

Answer 26

Autoclaved aerated concrete (AAC)

Question 27

is an ancient tradition and the basis of some of the world’s oldest building, but it is rarely part of modern construction.

Answer 27

Cutting of stone into building blocks

Question 28

In modern Australian housing, ________ is typically used for feature walls, fireplaces, garden walls and landscaping.

Answer 28

Stone masonry

Question 29

is extremely durable— it has provided some of history’s most enduring monuments — but its moisture resistance varies enormously.

Answer 29

Stone masonry

Question 30

is a relatively new lightweight composite masonry material invented in Australia

Answer 30

Timbercrete

Question 31

Made from excess sawmill waste from plantation timbers mixed with sand and binders such as Portland cement and a non toxic deflocculating additive

Answer 31

Timbercrete

Question 32

They are made in modular units that can be built into walls and transmit light.

Answer 32

Glass blocks

Question 33

Shares some of the properties of both blockwork and glazing

Answer 33

Glass blocks

Question 34

Is extremely robust, and can be relocated and reused.

Answer 34

Insulated concrete

Question 35

These have high embodied energy and high thermal mass, and high insulation values

Answer 35

Insulated concrete

Question 36

These wall systems have the huge thermal mass, and also have the additional benefits of earth coupling, resulting in significantly reduced energy requirements

Answer 36

Earth-bermed

Question 37

these wall systems have high thermal mass and low to medium embodied energy, depending on cement content.

Answer 37

Rammed earth

Question 38

Using timber weatherboard, fiber cement sheet, plywood and other sheet cladding systems have low thermal mass, but medium to high insulation values can be easily added

Answer 38

Lightweight

Question 39

Have low embodied energy and general low environmental impact

Answer 39

Low mass walls

Question 40

These consist of an insulating layer of rigid insulation material, sandwiched between 2 structural skins of sheet metal, plywood, fiber cement, or engineered timber.

Answer 40

Structural insulated panels

Question 41

These may achieve good thermal performance with the addition of insulation, and have low environmental impact when logs are sustainably sourced

Answer 41

Log walls

Question 42

Lightweight walls reduce heat loss when insulated and can have minimal embodied energy, depending on the cladding material used.

Answer 42

Cladding

Question 43

Is a material that is attached to the exterior of your home’s walls to form an outer weatherproof skin to the home

Answer 43

Cladding

Question 44

Cladding systems consist of 2 interacting components:

Answer 44

Wall systems Cladding layers

Question 45

These systems fit between high and low mass with either moderate density

Answer 45

Composite mass walls

Question 46

Where high mass concrete is used to trap tiny air bubbles

Answer 46

AAC

Question 47

They have good thermal mass when filled with concrete but low insulation values

Answer 47

Concrete blocks

Question 48

These have high thermal mass, but insulation is difficult to add unless the walls are constructed with a cavity, or are lined externally

Answer 48

Mud brick

Question 49

Are one of the oldest building materials in the world

Answer 49

Mud brick

Question 50

Usually only require earth and the energy of the sun, so have very low embodied energy and environmental impact

Answer 50

Mud brick

Question 51

They have excellent breathability when rendered with earth or lime based renders.

Answer 51

straw bale

Question 52

Must be compressed well to minimize settlement and movement, generous overhangs are the most reliable rain protection

Answer 52

Straw bale

Question 53

They respond rapidly to heating and cooling and are ideally used with a high-mass concrete slab floor

Answer 53

Panel system

Question 54

This building material is composed of hemp,lime binder and water.

Answer 54

Hemp lime composite ( hempcrete)

Question 55

It offers a range of ecological benefits and provides good insulation and excellent permeability to water vapor

Answer 55

Hemp line composite (hempcrete)

Question 56

Is made of the woody part of the stem of a hemp plant, combined with lime binder, water and sometimes sand.

Answer 56

Hemp masonry