Sizes

Question 1

What does PAR stand for?

Answer 1

Planed all round

Question 2

What does PSE stand for?

Answer 2

Plane square edge

Question 3

What does PAR refer to?

Answer 3

Refers to timber which is planed (smoothened) on all sides, but will have rounded edges to make it safer and easier to handle.

Question 4

Give examples of PAR timber?

Answer 4

Constructional timber, such as for studwork

Question 5

What does PSE refer to?

Answer 5

Refers to timber which is planed (smoothened) on all sides, but will have square edges.

Question 6

Give examples of PSE timber?

Answer 6

Joinery timber, often only available in long lengths (1.8 metres).

Question 7

What size is timber sold in?

Answer 7

Sawn size (even if timber has been plane e.g. if you buy 100 x 50 PSE, it will in reality measure 96mm x 47mm)

Question 8

What is an important measurement, which a deciding factor of the price of Timber?

Answer 8

Cross-sectional area

Question 9

How do you convert from inches to milimetres?

Answer 9

1’ = 25mm

Question 10

What are the most common quality of timbers?

Answer 10

C16 and C24

Question 11

What are the most common sizes of timbers?

Answer 11

• 15mm x 75, 100, 150mm
• 50mm x 50, 100mm
• 75 x 75mm
• 100 x 100mm

Question 12

How do you calculate cross sectional area?

Answer 12

height x width of cross-section

Question 13

How do you measure the diameter of a shape?

Answer 13

Measuring from one side of the circle to the other

Question 14

What are the most common sizes for manufactured boards?

Answer 14

• 24400 x 1220mm
• 1220 x 610mm
• They vary in thickness from 1mm, used for modelling
• Up to 40mm for kitchen worktops