GOK75, GOK75-N + WW, WW-T Roofing fixing system

Pre-assembled, wide plate, telescopic fastening system for timber substrates.

Features and benefits

  • High-quality material used for the production of telescopic fasteners ensures constant mechanical properties for many years. Also, retains its properties over a wide temperature range.
  • The cone’s optimal shape facilitates speed and ease of installation through the thermal insulation.
  • Internal sleeve design allows pre-assembly with any Rawlplug roofing screw, shortening installation

  • 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 designed 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 fixture.

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    Product information

    Product Code

    Plastic sleeve

    Fixture

    Diameter

    Length

    Plate diameter

    Min. thickness

    Max. thickness

    Timber

    Plywood

    Chipboard OSB

    d

    L

    D

    tfix

    [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

    Product Code

    Screw

    Diameter

    Length

    d

    L

    [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

    Base material

    • Timber

      Timber

    • Plywood

      Plywood

    • Chipboard

      Chipboard

    Applications

    • Insulation layers to flat roofs to substrate: timber

    Installation guide

    Installation guide
    Installation guide
    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

    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]

    -

    -

    -

    Min. 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

    Downloads

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