Roof Tiling Quiz

What is the difference between a double lap plain roof tile and a single lap interlocking roof tile?

• There is no difference.

• Double lap plain tile has two courses above covering whereas single lap interlocking tile has one.

• Interlocking tile has two courses above covering whereas double lap plain tile has one.

• Double lap plain tile interlock at the top and side whereas single lap interlocking lock at the bottom and side.

What method would you use for working out the eaves course in plain tiling?

• Measure tile from tail to nib.

• Measure tile from right to left.

• Measure tile from top to bottom.

• Measure tile diagonally.

The main source of information when fixing plain tiles can be taken from:

• student notes

• architect’s drawings

• manufacturer’s booklet

• the British Standards

What is the main function of tile battens on a roof?

• For the tile to have a fixing on.

• To strengthen the roof surface.

• To allow free drainage of water.

• To hold the ridge tile in place.

What is the recommended tile batten size for laying double lap plain tiles?

• 50 mm x 25 mm

• 38 mm x 50 mm

• 25 mm x 25 mm

• 38 mm x 25 mm

What is the purpose of ‘perpendicular lines’ in double lap plain tile roof work?

• To ensure the tile batten is fixed straight.

• To ensure the counter battens are fixed to the rafters straight.

• To ensure the tiles are laid straight.

• To ensure the eaves course has the correct overhang into the gutter.

What are the two main materials double lap plain roof tiles are manufactured from?

• Concrete and polymer resin.

• Asbestos and concrete.

• Clay and cement.

• Concrete and clay.

What is the maximum spacing between double lap plain tiles when laid to a pitched roof surface?

• 3 mm

• 4 mm

• 2 mm

• 1 mm

Prior to re-roofing a double lap plain tiled roof surface you must:

• clean scaffold down

• brush all loose debris off roof

• load scaffold with tiles

• cut all tile battens to size

One roll of breathable membrane covers 45 m². How many rolls are required to cover a roof area of 585 m²?

• 13

• 12

• 14

• 15