KON 121

Question 1

clay tiles

Answer 1

435x265 Clay roofing tiles with all bedding mortar to be igmented to match the
colour of the tiles. All butt-joints to be solid bedded

Question 2

batten

Answer 2

38x50mm SA Pine batten @340mm cts. according to SABS 563. Batten joints
must meet halfway across the top face of the rafter

Question 3

micron plastic

Answer 3

250 micron plastic underlay nailed to the rafterns with non-corrodible clout nails

Question 4

gangnail

Answer 4

galvanised steel gangnail

Question 5

web member

Answer 5

38mm SA Pine web member according to SABS 563

Question 6

rafter

Answer 6

28x114 SA Pine rafter according to SABS 563

Question 7

downpipes

Answer 7

100mm diameter galvanised steel downpipes

Question 8

gutter

Answer 8

150mm diameter galvanised steel gutter to fall 1:50 resting
on galvaised steel brackets screwed to facia @60mmcts.

Question 9

facia

Answer 9

38x228mm painted SA Pine facia nailed to
38x38 SA Pine piece nailed to side of rafter

Question 10

tilting batten

Answer 10

38x76 SA Pine tilting batten

Question 11

hoopiron strap

Answer 11

32x1.6mm galvanised steel
hoopiron strap nailed to wallplace

Question 12

trusses

Answer 12

SA Pine trusses to be
installed @760mmcts

Question 13

tie beam

Answer 13

38x114mm SA Pine tie beam according to SABS 563

Question 14

ceiling board

Answer 14

6.4mm plastered gypsum ceiling board nailed @ 400mm cts to brandering

Question 15

brandering

Answer 15

38x50mm SA Pine brandering @400mm cts according to SABS 563

Question 16

insulation

Answer 16

50mm thick fibre ceiling insulation

Question 17

cornice

Answer 17

50x50mm concave ceiling cornice

Question 18

wallplate

Answer 18

38x114 SA Pine wallplate fixed to brickwork with hoopiron strap