Technical Data Sheet

Roofing Insulation Fixings
GOK75, GOK75-N + WW, WW-T Rofing fixing system
Pre-assembled, wide plate, telescopic fastening system for timber substrates.
Approvals and Reports
• ETA-09/0346
Product information
Features and benefits
Applications
Base materials
• High-quality material used for the production
of telescopic fasteners ensures constant me­
chanical properties for many years. Also, reta­
ins its properties over a wide temperature ran­
ge.
• The lower part of the connector telescope has
been designed in the shape of a cone with an
optimum angle of inclination which significan­
tly affects the speed of its installation.
• Specially designed inner part of the cone al­
lows pre-assembly of the telescopic tube with
a screw
• Hardened screw's thread surface. High quality
anti-corrosion coating guarantees resistance of
15 Kesternich cycles.
• The shape and type of screw's thread is desi­
gned specifically for connecting to wood.
• The drill point is designed to provide a fast and
hassle-free installation. Sharp point of the drill
prevents movement of the surface of the fixtu­
re.
• Insulation layers to flat roofs to
substrate: timber
Approved for use in:
• Timber
• Plywood
• Chipboard
Installation guide
1.Lightly insert plastic sleeve into insulation material
2.Using drilling machine, drive the WW screw into substrate until fixing depth is reached
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1
Roofing Insulation Fixings
Product information
Plastic sleeve
Fixture
Max. thickness
Diameter
Length
Product Code
Plate diame­
ter
Min. thick­
ness
Timber
Plywood
Chipboard
OSB
d
L
D
tfix
tfix
tfix
tfix
[mm]
[mm]
[mm]
[mm]
[mm]
[mm]
[mm]
GOK75-015
GOK75-015-N
15.5
15
75
30
96
100
102
GOK75-035
GOK75-035-N
15.5
35
75
50
116
120
122
GOK75-065
GOK75-065-N
15.5
65
75
80
146
150
152
GOK75-075
GOK75-075-N
15.5
75
75
90
156
160
162
GOK75-085
GOK75-085-N
15.5
85
75
100
166
170
172
GOK75-095
GOK75-095-N
15.5
95
75
110
176
180
182
GOK75-105
GOK75-105-N
15.5
105
75
120
186
190
192
GOK75-125
GOK75-125-N
15.5
125
75
140
206
210
212
GOK75-135
GOK75-135-N
15.5
135
75
150
216
220
222
GOK75-165
GOK75-165-N
15.5
165
75
180
246
250
252
GOK75-185
GOK75-185-N
15.5
185
75
200
266
270
272
GOK75-225
GOK75-225-N
15.5
225
75
240
306
310
312
GOK75-255
GOK75-255-N
15.5
255
75
270
336
340
342
GOK75-285
GOK75-285-N
15.5
285
75
300
366
370
372
GOK75-325
GOK75-325-N
15.5
325
75
340
406
410
412
GOK75-385
GOK75-385-N
15.5
385
75
400
466
470
472
GOK75-425
GOK75-425-N
15.5
425
75
440
506
510
512
GOK75-525
GOK75-525-N
15.5
525
75
540
606
610
612
GOK75-625
GOK75-625-N
15.5
625
75
640
706
710
712
GOK75-725
GOK75-725-N
15.5
725
75
740
806
810
812
Screw
Diameter
Length
d
L
Product Code
[mm]
[mm]
WW-5045
WW-50T45
55
4545
WW-5055
WW-50T55
55
5555
WW-5075
WW-50T75
55
7575
WW-5090
WW-50T90
55
9090
WW-5120
WW-5T120
55
120120
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Roofing Insulation Fixings
Installation data
Substrate
Timber
Plywood
Chipboard OSB
Screw diameter
d
[mm]
5
5
5
Hole diameter in substrate
d0
[mm]
-
-
-
Min. hole depth in substrate
h0
[mm]
-
-
-
Installation depth
hnom
[mm]
24
20
18
Min. substrate thickness
hmin
[mm]
24
20
18
Min. spacing
smin
[mm]
120
120
120
Min. edge distance
cmin
[mm]
30
30
30
Basic performance data
Size
Effective embedment depth hef
[mm]
Timber, grade C24
Plywood
Chipboard OSB
24.00
20.00
18.00
1.84
1.84
1.66
1.32
0.83
0.66
0.59
0.47
MEAN ULTIMATE LOAD
GOK + WW
[kN]
1.84
CHARACTERISTIC LOAD
GOK + WW
[kN]
1.66
DESIGN LOAD
GOK + WW
[kN]
GOK + WW
[kN]
0.83
RECOMMENDED LOAD
0.59
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Roofing Insulation Fixings
Product commercial data
Screw
Size
Quantity [pcs]
Weight [kg]
Bar Codes
Length
[mm]
Ø5.0
1)
Plastic sleeve
Product Code
Diameter
[mm]
Length
[mm]
Box
Outer
Pallet
Box
Outer
Pallet
R-WW-50T45
45
250
4000
96000
1.22
19.5
497.6
5906675104485
R-WW-50T55
55
200
3200
76800
1.21
19.4
494.7
5906675104010
R-WW-50T75
75
100
1600
38400
0.78
12.4
328.0
5906675104515
R-WW-50T90
90
100
1600
38400
0.91
14.5
378.2
5906675104539
R-WW-5T120
120
100
1600
38400
1.11
17.8
457.0
5906675104546
R-GOK75-015
15.5
15
1100
1100
9900
12.9
12.9
145.8
5906675108964
R-GOK75-035
15.5
35
600
600
5400
8.3
8.3
104.8
5906675110721
R-GOK75-065
15.5
65
400
400
4800
6.4
6.4
106.8
5906675112169
R-GOK75-075
15.5
75
300
300
3600
5.0
5.0
89.4
5906675112183
R-GOK75-085
15.5
85
300
300
4800
5.6
5.6
118.8
5906675112206
R-GOK75-095
15.5
95
250
250
3000
4.4
4.4
82.5
5906675112220
R-GOK75-105
15.5
105
250
250
3000
5.3
5.3
93.4
5906675112244
R-GOK75-125
15.5
125
200
200
2400
4.0
4.0
78.0
5906675112268
R-GOK75-135
15.5
135
200
200
3200
4.7
4.7
105.0
5906675112299
R-GOK75-165
15.5
165
150
150
2400
3.7
3.7
88.8
5906675112312
R-GOK75-185
15.5
185
100
100
1600
3.0
3.0
77.8
5906675112336
R-GOK75-225
15.5
225
100
100
1600
2.9
2.9
75.9
5906675112350
R-GOK75-255
15.5
255
75
75
1200
2.4
2.4
69.0
5906675112381
R-GOK75-285
15.5
285
75
75
900
2.5
2.5
60.2
5906675112404
R-GOK75-325
15.5
325
50
50
600
1.83
1.83
51.9
5906675112428
R-GOK75-385
15.5
385
50
50
600
2.0
2.0
54.0
5906675112442
R-GOK75-425
15.5
425
50
50
450
2.3
2.3
50.7
5906675112466
R-GOK75-525
15.5
525
50
50
300
3.8
3.8
52.8
5906675119113
R-GOK75-625
15.5
625
50
50
300
4.2
4.2
55.2
5906675119120
R-GOK75-725
15.5
725
50
50
300
4.6
4.6
57.8
5906675119137
R-GOK75-015-N
15.5
15
R-GOK75-035-N
15.5
35
R-GOK75-065-N
15.5
65
R-GOK75-075-N
15.5
75
R-GOK75-085-N
15.5
85
R-GOK75-095-N
15.5
95
R-GOK75-105-N
15.5
105
R-GOK75-125-N
15.5
125
R-GOK75-135-N
15.5
135
R-GOK75-165-N
15.5
165
R-GOK75-185-N
15.5
185
R-GOK75-225-N
15.5
225
R-GOK75-255-N
15.5
255
R-GOK75-285-N
15.5
285
R-GOK75-325-N
15.5
325
R-GOK75-385-N
15.5
385
R-GOK75-425-N
15.5
425
R-GOK75-525-N
15.5
525
50
50
300
4.6
4.6
57.5
5906675119144
R-GOK75-625-N
15.5
625
50
50
300
5.1
5.1
60.6
5906675119151
R-GOK75-725-N
15.5
725
50
50
300
5.7
5.7
63.9
5906675119168
ETA-09/0346
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