CPD Online: www.keystonelintels.co.uk/cpd
Heavy Duty Loading
70-90mm Cavity
HD/K-70 Manufactured Length in 150mm increments
600 1200
1350 1500
1650* 2250* 2700* 3150* 3750* 2100* 2550* 3000* 3600* 4200*
Height ‘h’
103
117
167
205
205
205
205
Thickness
2.9
2.9
2.9
2.9
3.2
3.2
3.2
Total UDL kn 3:1
30
30
40
40
40
35
33
Total UDL kn 19:1
22
22
35
35
35
32
28
‘h’ nominal
95
100
68
HD/K-70 WIL
150mm wide inner leaf Manufactured Length in 150mm increments
‘h’ nominal
95
125
68
600 1350
1500* 1950* 2250* 1800* 2100* 2700*
Height ‘h’
130
155
192
192
Thickness
2.9
2.9
2.9
3.2
Total UDL kn 3:1
20
25
30
36
Total UDL kn 19:1
17
22
25
32
600 1500
1650 2100
2250 3000
3150 4000
4200 4800
Height ‘h’
229
229
229
229
229
Thickness
2.9
2.9
2.9
3.2
3.2
Total UDL kn 19:1
70
60
50
45
40
CFS/K-70 Manufactured Length in 150mm increments 229
95
68
100
CFS/K-70 WIL
To achieve loading figures, lintel must be built in with blockwork as shown.
150mm wide inner leaf Manufactured Length in 150mm increments
229
95
68
125
600 1500
1650 2100
2250 3000
3150 4000
4200 4800
Height ‘h’
229
229
229
229
229
Thickness
2.9
2.9
2.9
3.2
3.2
Total UDL kn 19:1
70
60
50
45
40
To achieve loading figures, lintel must be built in with blockwork as shown.
*Continuous Bottom Plate
11