456®-2 sidelock clip to mount on

The sidelock clip 456®-2 guarantees a high level of resistance against wind uplift loading. It was developed by FOS® in response to benchmark changes in the national roofer’s regulation in Germany in 2011 specifically to improve the securing of tiles. It has become the most frequently used storm clip for professional fixing of tiles on pitched roofs in Germany and therefore plays an important role in day to day life of roofing contractors and carpenters.  

In order to simplify the handling of the clip for roofers, FOS® offers the 456®-2 collated on plastic strips. Each strip contains 25 clips and is suitable for the FOS ClipHOLSTER®. The collated clips allow for swift removal from its package.

On the roof the use of the ClipHOLSTER accelerates the installation considerably. Because the ClipHOLSTER is fastened to the belt, the clips are within easy reach. The roofer has his hands free and can therefore work more efficiently. Empty magazine strips can be replaced quickly and conveniently. In practical tests, time savings of up to 25 % were recorded. Note: When mounting 456®-2 strips, the red protective cover cannot be used.

The 456®-2 is mounted onto the batten from the back. A special notch on the clip guarantees a secure hold on the batten at all times. The hook of the clip is placed in the outer sidelock of the roof tile. The clip holds three tiles in the four-tile corner. The optimised shape prevents the elongation of the clip under load. Single roof tiles secured with the 456®-2 can be replaced quickly and easily if damaged by weather or age.

The clip is available in various types for a wide range of roof tiles and with a round and an angular hook. The product locator FOS ClipCHECK® determines the perfect clip by entering the area of application, the type of mounting, the roof tile and the batten. Stainless steel BS 301 S 22 or ZIAL® (zinc aluminium) coated surfaces guarantee long durability of the sidelock clip. The 456-2 is offered in packaging units of 250 pieces each.

Stamp of approval DIN EN 14437FOS quality Made in Germany and tested according to DIN EN 14437

This storm clip has been produced in FOS® quality Made in Germany and tested according to DIN EN 14437.

With round hook

FOS sidelock clip 456 205
135,0004,024 x 48456244
145,0004,024 x 48456246
145,0006,024 x 48456242
155,0004,024 x 48456241
155,0006,024 x 48456226
165,0006,024 x 48456227
175,0006,024 x 48456243
145,0006,030 x 50456201
155,0004,030 x 50456234
155,0006,030 x 50456203
155,0007,530 x 50456228
165,0006,030 x 50456205
165,0007,530 x 50456230
175,0006,030 x 50456207
185,0006,030 x 50456222
195,0006,030 x 50456223
205,0006,038 x 73456249
162,0004,040 x 60456236
162,0006,040 x 60456209
172,0004,040 x 60456235
172,0006,040 x 60456211
172,0007,540 x 60456229
182,0006,040 x 60456213
182,0007,540 x 60456231
192,0006,040 x 60456215
202,0006,040 x 60456217
212,0006,040 x 60456219
179,0004,045 x 70456240
195,0006,045 x 70456253
205,0006,045 x 70456245
Application picture Installation instructionProduct flyerVideo

With angular hook

FOS sidelock clip 456 206
135,0007,024 x 48456239
145,0007,024 x 48456238
135,0007,030 x 50456220
145,0007,030 x 50456202
155,0007,030 x 50456204
160,0007,030 x 50456232
170,0007,030 x 50456224
152,0007,040 x 60456221
162,0007,040 x 60456210
172,0007,040 x 60456212
177,0007,040 x 60456233
187,0007,040 x 60456225
Application picture Installation instructionProduct flyerVideo


  • Storm safety in compliance with professional standards.
  • High wind uplift resistance.
  • High quality materials.
  • Deliverable in different lengths.
  • Deliverable in round and angular hook forms.
  • Suitable for standard wooden battens.
  • Suitable for most standard roof tiles.
  • Special interlocking at roof batten ensures secure hold.
  • Optimal shape prevents clip from lengthening when under load.
  • Replacement of single tiles possible.
  • Possible for pre-installation.
  • Tool-free installation.
  • Shorter installation time.
  • Storage on POM strips for FOS ClipHOLSTER®.
  • International patents EP NP.
  • German Federal Utility Model DBGM.
  • Packaging unit: 250 pcs.