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SANDTOFT ROOF TILE FIXING SPECIFICATIONS - ZONAL METHOD
Lindum Tiles - with counterbattens
Site altitude: 0 - 100 m
Headlap
75 mm
100mm
Pitch
35-44º
45-55º
Below 35º
Below 35º
35-44º
Zone 1
5m
E
D
D
D
D
10 m
E
D
D
D
D
15 m
E
D
D
D
D
Zone 2
5m
E
D
D
D
D
10 m
E
D
D
D
D
15 m
D
E
D
D
D
Zone 3
For Zone 3 calculation to BS 6399 and BS 5534 is required.
Site altitude: 100 - 200 m
Headlap
75 mm
100mm
Pitch
Below 35º
35-44º
45-55º
Below 35º
35-44º
Zone 1
5m
E
D
D
D
D
10 m
D
E
D
D
D
15 m
D
D
E
D
D
Zone 2
5m
E
D
D
D
D
10 m
E
D
E
E
D
15 m
D
E
D
E
E
Zone 3
For Zone 3 calculation to BS 6399 and BS 5534 is required.
Site altitude: 200 - 300 m
Headlap
75 mm
100mm
Pitch
Below 35º
35-44º
45-55º
Below 35º
35-44º
Zone 1
5m
D
D
D
E
D
10 m
D
D
D
E
D
15 m
E
D
E
E
D
Zone 2
5m
D
D
E
E
D
10 m
E
D
E
E
D
15 m
E*
D
E
E*
D
Zone 3
For Zone 3 calculation to BS 6399 and BS 5534 is required.
45-55º
E
E
E
E
E
E
45-55º
E
E
E
E
E
E
45-55º
E
E
E
E
E
E
Site altitude: > 300 m
Calculation to BS 6399 and BS 5534 is required.
Zonal fixing specifications
Key
A
No fixings required
B
Each tile once nailed (right hand hole on flat tiles)
C
Each tile twice nailed (flat tiles only)
D
Each tile clipped
E
Each tile once nailed and clipped
F
Each tile twice nailed and clipped
X
Wind uplift force exceeds tile resistance (contact Sandtoft's Technical Team on 0870 1452021)
* = Improved Nail
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