Timber Floors Quiz

There are three types of timber floors; name them.

• Solid wood, Engineered wood, Laminate

• Bamboo, Cork, Vinyl

• Parquet, Reclaimed wood, Composite

• Hardwood, Softwood, Plywood

What is the difference between ‘effective span’ and ‘clear span’?

• Effective span includes the length of the support, while clear span is the distance between the supports.

• Clear span includes the length of the support, while effective span is the distance between the supports.

• Both effective span and clear span are the same.

• Effective span is always longer than clear span.

The distance between joist centres will depend upon what factors?

• Load requirements

• Material type

• Span length

• All of the above

If a room measures 3.4m x 5.0m, how many joists will be required if the joists are spaced at 400mm centres?

• 10

• 12

• 14

• 16

What are honeycomb or sleeper walls?

• A type of wall with a pattern of hexagonal cells

• A type of wall used for soundproofing

• A type of wall used in underground construction

• A type of wall used for decorative purposes

The ends of joists can be supported in a number of ways; name them.

• By using hangers

• By resting on beams

• By embedding in walls

• All of the above

Joists must be laid with their curved edge uppermost because:

• It provides better aesthetic appeal.

• It ensures better load distribution.

• It is easier to install.

• It reduces material cost.

Explain the difference between: a) A trimming joist. b) A bridging joist.

• A trimming joist is used to support openings in floors, while a bridging joist is used to distribute loads across multiple joists.

• A trimming joist is used to distribute loads across multiple joists, while a bridging joist is used to support openings in floors.

• Both are used to support openings in floors.

• Both are used to distribute loads across multiple joists.