IBC TopFix 200 Installation Manual page 41

Step 6: Insert and align the TF27-T carrier rail
Figure 60: Insert the carrier rail
Figure 63: Mount carrier rail
Step 7A: Affix the TRAPEZOIDAL CLAMP to the outer roofing with blind rivets
Important:
A drill with a diameter of 5.0 mm is mandatory to maintain static properties!
Figure 64: Drilling clamps
Figure 65: Inserting blind rivets
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Version 17.01, as of: 27-Jun-2017
Figure 61: Align the carrier rail

When using the rivets drill two bores with a diameter of 5.0 mm per
TRAPEZOIDAL CLAMP . In this process, make sure you drill carefully to
maintain static properties.

Now insert the 4.8x15mm blind rivets into the bores and rivet.

The enclosed 4.8x15 mm blind rivets are approved for a sheet metal or
aluminium thickness of 0.5 mm to 1.5 mm.
Figure 66: Riveting using a standard rivet head
Figure 62: Close the clamp