Description: For fastening the roof covering and insulation sheet to aerated concrete (Siporex). The length of the fastener is chosen according to the insulation thickness so that the fastener will be at least 50 mm deep in the base. A hole of Ø 12 mm and 50–70 mm deep must be pre-drilled. Expansion plug which fastens the fastener to aerated concrete is included.

Dimensions: Flange Ø 50 mm.

Contents: Croco 512 fastener, expansion plug.

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Product categories: Discontinued