Timber Floors

Question 1

What is a wall plate?

Answer 1

A continuous length of softwood timber that rests along the length of a wall.

Question 2

Timber joists are usually around what thickness and depth?

Answer 2

Between 38 and 75mm thick &

75 to 235mm deep.

Question 3

Timber joists are usually spaced at what 3 sizes?

Answer 3

400, 450 or 600mm centres.

Question 4

Floor boards for timber floors are usually what 4 thicknesses?

Answer 4

16, 19, 21 or 28 mm thick

Question 5

Floor boards for timber floors are usually what 4 widths?

Answer 5

65, 90, 113 or 137mmwide

Question 6

Floor boards for timber floors are usually up to what length?

Answer 6

Up to around 5m in length

Question 7

What is timber strutting?

Answer 7

Short lengths of solid wood nailed between joists as a stabilizing method

Question 8

What is an alternative to building in the ends of timber joist?

Answer 8

Using joist hangers

Question 9

What is pugging?

Answer 9

A layer of plaster or sand placed between timber joists to reduce the transmission of airborne sound.

Question 10

What is nogging?

Answer 10

A nogging is a strut used to give rigidity to a structure.

Question 11

What are the minimum dimensions for nogging?

Answer 11

At least half the depth of the joist and at least 38mm thick.