Cavity Walling L1 A

Which three materials would commonly be used in traditional cavity wall construction?

• Lightweight blocks, timber, insulation.

• Dense blocks, insulation, steel.

• Engineering bricks, timber, steel.

• Facing bricks, insulation, lightweight blocks.

What is the minimum height the horizontal Damp Proof Course should be above the ground level?

• One course of bricks.

• Two courses of bricks.

• Three courses of bricks.

• Four courses of bricks.

What is a partial fill cavity wall?

• The insulation is fixed to the outside surface of the external wall.

• Insulation batts are fastened to the inside face of the blockwork.

• The insulation is mechanically blown in to the cavity on completion.

• Cavity is completly filled with insulation during construction.

Which drawing is used to help position windows and door openings?

• Location.

• Site.

• Detail.

• Elevation.

Which component helps stabilise the inner and outer walls of a cavity?

• Blocks.

• Straps.

• Bricks.

• Ties.

Which component ventilates the underside of a hollow floor?

• Lintels.

• Airbricks.

• Insulation batts.

• Wall ties.

Why is a weep hole positioned above an opening?

• To allow for movement in the wall.

• To provide a fixing point for window frames.

• To allow moisture to travel out of the cavity.

• To provide a decorative feature in the wall.

Which type of block should be used to improve the thermal efficiency of a wall?

• Lightweight.

• Fair-faced.

• Dense concrete.

• Foundation block.

What is the required vertical spacing of wall ties in cavity wall construction?

• 225 mm

• 450 mm

• 675 mm

• 900 mm

Which tool would be used to plumb individual brick soldiers?

• Spirit level.

• Optical level.

• Water level.

• Boat level.