CUSTOM RADIATION PROTECTION,
SHIELDING AND STORAGE
Continental Toll Free 1-800-381-5335
Recommended Lead Sheet Thickness' for X-Ray Rooms
X-Rays Generated by Peak
Voltages Not Exceeding
Minimum Thickness of Lead
Weight per Square
Foot in Pounds
Millimetre
Inches
75 kv
1.0
0.039
2 1/2
100 kv
1.5
0.059
4
125 kv
2.0
0.079
5
150kv
2.5
0.093
7
175 kv
3.0
0.118
8
200 kv
4.0
0.157
10
225 kv
5.0
0.197
13
300 kv
9.0
0.354
24
400 kv
15.0
0.591
38
600 kv
34.0
1.343
81
900 kv
51.0
2.000
120
