What is structural carcassing timber primarily used for in construction?

• Decorative finishes

• First-fixing structural components

• Furniture making

• Insulation

Which of the following is a common use of structural carcassing timber?

• Wall painting

• Floor and roof joists

• Electrical wiring

• Plumbing

What type of wood is structural carcassing timber often made from?

• Hardwoods

• Softwoods

• Bamboo

• Plywood

What is the premium grade of carcassing timber known for its strength?

• C12

• C16

• C20

• C24

How is the grade of carcassing timber usually indicated?

• By colour coding

• By a stamp on the end of the timber

• By a barcode

• By a label attached to the side

What process is used to remove impurities from carcassing timber?

• Air drying

• Kiln drying

• Sun drying

• Water soaking

Which treatment can be applied to carcassing timber to improve its durability?

• Painting

• Chemical treatment

• Sanding

• Varnishing

What is one of the chemical treatments used on carcassing timber?

• Water repellent treatment

• Preservative treatment

• Colour treatment

• Wax treatment

Which of the following is NOT a type of carcassing timber?

• Plywood

• Oriented strand board (OSB)

• Laminated veneer lumber (LVL)

• Particle board

What is the main purpose of using carcassing timber in decking frames?

• Aesthetic appeal

• Structural support

• Insulation

• Soundproofing