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Table 1: WinterGard Mesh Product Selection
Catalog #
EN
WM1-0205
WM1-0210
CF
WM1-0215
WM1-0220
WM1-0225
WM1-0230
WM1-0310
WM1-0315
WM1-0320
WM2-0205
WM2-0210
WM2-0215
WM2-0220
WM2-0225
WM2-0230
WM2-0235
WM2-0240
WM2-0245
WM2-0250
WM2-0260
WM2-0310
WM2-0320
WM2-0325
WM2-0330
WM2-0340
3.4 WinterGard Mesh Installation
All connections and electrical testing should be carried out by a qualified electrician.
•
For irregularly shaped areas, it is acceptable to cut the mesh and adjust the heating element position in order to achieve good coverage.
See illustrative examples on page 13.
•
The heating element must not be cut or damaged
•
The heating element must not be crossed over itself
•
The heating element must not be installed within 3" (7.6cm) of another section of heating element or 1" from the cold leads
•
WinterGard Mesh must not be installed across expansion joints, across separate concrete slabs. Crack control joints may be crossed as
shown in the figure.
1/2 x 1/2 x 12 in
(1.2 x 1.2 x 30 cm)
angle iron filled
with RTV or silicone
rubber caulk
Angle iron
•
Minimum wire spacing is 3" (7.6cm)
•
Maximum exposure temperature for WinterGard Mesh: 221°F (105°C) (for asphalt pouring, short term exposure up to 464°F (240°C) is
allowed).
Base slab
•
The mesh must be secured to the underlaying surface to prevent movement during the installation. The cold lead cable must be protected
Well-drained base
in a conduit. The entire length of heating wire should be covered by wet sand-cement mixture, concrete, limestone screening, dry sand, or
Nonmetallic
asphalt depending on the selected top surface.
conduit
|
10
nVent.com/RAYCHEM
Voltage (V)
Width (ft)
120
2
120
2
120
2
120
2
120
2
120
2
120
3
120
3
120
3
240
2
240
2
240
2
240
2
240
2
240
2
240
2
240
2
240
2
240
2
240
2
240
3
240
3
240
3
240
3
240
3
Heating cable
Control joints
(cut into both bottom
and top slabs for two
pour installations)
Hot/cold joints
Cold leads
Length (ft)
Area (ft
)
2
5
10
10
20
15
30
20
40
25
50
30
60
10
30
15
45
20
60
5
10
10
20
15
30
20
40
25
50
30
60
35
70
40
80
45
90
50
100
60
120
10
30
20
60
25
75
30
90
40
120
Resistance (Ω)
Power (W)
28.8
500
14.4
1000
9.6
1500
7.2
2000
5.8
2500
4.8
3000
9.6
1500
6.4
2250
4.8
3000
115.2
500
57.6
1000
38.4
1500
28.8
2000
23.0
2500
19.2
3000
16.5
3500
14.4
4000
12.8
4500
11.5
5000
9.6
6000
38.4
1500
19.2
3000
15.4
3750
12.8
4500
9.6
6000
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