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Trellis holder M8 "Styro", GH 08555

Insulation anchor for trellis

Product sheet

Description / Price

Stainless steel AISI 304, with clamping head (18 mm diameter) and grub screw, M8 shaft, hexagonal flange nut, domed thrust washer with laminated seal, large cover disc d=60 for the drill hole, weatherproof foam seal, and integrated nylon threaded dowel. The head is also available separately.




Inexpensive way to install a stainless steel trellise on a a facade with External Thermal Insulation System (ETICS) panels that are at least 10 cm thick. For hard foam panels, polystyrene panels, soft wood fibre boards etc.. Not suitable for mineral wool and other flaked or poured insulating materials. No need o cut open the facade. No thermal bridge! Light loads only. Distance to wall 40 mm. Please read the general information on how to securely fasten a trellis to a facade.


Recommended tools

For pre-drilling (8-12 mm) we recommend our hammer drills HB 44444, or our concrete drills. For the 2nd hole, we recommend our hammer drill HB 16160.



Step one: drill the outer plaster layer of the insulation panel (using a drill bit from 8 mm to 12 mm in diameter) (Fig. 02). Step two: drill the insulation material with a 16 mm bit, 15 - 25 mm deep, without percussion, to guide the plug. (In soft wood fibre boards: drill 90 mm deep with the 16 mm bit). Use a 13 mm open-end wrench and carefully screw in the mount while applying pressure from behind with the ball of the thumb, while using work gloves (Fig. 03) until the thread takes hold and align it vertically and horizontally. Screw the holder further in, constantly checking the vertical and horizontal alignment and correcting it by applying lateral pressure. Turn the mount until the foam seal is compressed (Fig. 04). The large cover plate must be virtually in contact with the plaster in order to act as a pressure plate. Once all mounts have been installed, the trellis is placed in the grooves of the mounts, aligned and fixed using the grub screws.

To tighten the grub screws, hold the holder with a wrench on the flat nut while screwing the grub screws tight.



"Made in Germany": head from Saxony, shaft from Lower Saxony, thrust washer from North Rhine-Westphalia, plug system from Bavaria, foam gasket from Thuringia, small parts imported from Asia.

Drilling out the insulation panel
Fig. 02: Piercing the external layer
Installing the anchor
Fig. 03: Screwing in the anchor while applying pressure
Installing the insulation anchor
Fig. 04: Screwing in the holder with a wrench