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BEMO
Curving Guidelines
BEMO 305, 400 & 500 CONVEX Lay-Down Curves*
Minimum Panel Radius without mechanical curving
| ALUMINUM |
STEEL |
Thickness |
Min.
Radius |
Gauge |
Min.
Radius |
.032 |
125
ft. |
24
ga. |
175
ft. |
.040 |
135
ft. |
22
ga. |
215
ft. |
.050 |
145
ft. |
20
ga. |
250
ft. |
ZINC |
COPPER |
Thickness |
Min.
Radius |
Wt./Sq.Ft. |
Min.
Radius |
.8
mm |
175
ft. |
20
oz. |
175
ft. |
1.0
mm |
185
ft. |
24
oz. |
185
ft. |
1.25
mm |
200
ft. |
32
oz. |
200
ft. |
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BEMO
305 CONVEX Mechanical Curves
Minimum Panel Radius with mechanical curving
| ALUMINUM |
STEEL |
Thickness |
Min.
Radius |
Gauge |
Min.
Radius |
.032 |
17
ft. |
24
ga. |
32
ft. |
.040 |
12
ft. |
22
ga. |
32
ft. |
.050 |
10
ft. |
20
ga. |
32
ft. |
ZINC |
COPPER |
Thickness |
Min.
Radius |
Wt./Sq.Ft. |
Min.
Radius |
.8
mm |
30
ft. |
16
oz. |
25
ft. |
1.0
mm |
30
ft. |
20
oz. |
22
ft. |
1.25
mm |
30
ft. |
32
oz. |
15
ft. |
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BEMO
305 and 400 CONCAVE Mechanical Curves
Minimum Panel Radius with mechanical curving
| ALUMINUM |
STEEL |
Thickness |
Min.
Radius |
Gauge |
Min.
Radius |
.032 |
18
ft. |
24
ga. |
33
ft. |
.040 |
13
ft. |
22
ga. |
33
ft. |
.050 |
12
ft. |
20
ga. |
33
ft. |
ZINC |
COPPER |
Thickness |
Min.
Radius |
Wt./Sq.Ft. |
Min.
Radius |
.8
mm |
25
ft. |
16
oz. |
33
ft. |
1.0
mm |
18
ft. |
20
oz. |
30
ft. |
1.25
mm |
16
ft. |
32
oz. |
20
ft. |
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BEMO
400 CONVEX Mechanical Curves
Minimum Panel Radius with mechanical curving
| ALUMINUM |
STEEL |
Thickness |
Min.
Radius |
Gauge |
Min.
Radius |
.032 |
30
ft. |
24
ga. |
40
ft. |
.040 |
20
ft. |
22
ga. |
40
ft. |
.050 |
15
ft. |
20
ga. |
40
ft. |
ZINC |
COPPER |
Thickness |
Min.
Radius |
Wt./Sq.Ft. |
Min.
Radius |
.8
mm |
27
ft. |
16
oz. |
33
ft. |
1.0
mm |
20
ft. |
20
oz. |
30
ft. |
1.25
mm |
18
ft. |
32
oz. |
20
ft. |
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