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doitBau® Thermoschraubdübel TSDB

Retractable (screw-in) insulation anchor


This insulation anchor is equipped with a special head sealing which effectively prevents heat loss and protects the screw from moisture or corrosion. This anchor particularly distinguishes itself by its level installation as its special crumple zone allows a flush embedding into the insulation material. It is also perfectly suited for problematic substrates as its extended and moisture resistant expansion legs provide a strong hold. It offers particular security by its three-parted anchorage, which guarantees a high clamping force with a consistent contribution of force as well as a low torque and an excellent pullout resistance.

  • ƒGripping head ensures render bonding
  • Plaster saving due to flush mounting
  • Galvanized steel screw
  • Optimal centric screw guidance
  • According to ETAG 014 and ETA 004 within system

Technical data

Screw anchor Galvanisized steel Installation Drill
Anchor body Polypropylene Use categories A, B, C, D
Washer diameter 62 mm Suitable Base Materials Concrete, aerated cement (restricted use), hollow bricks, solid bricks, natural stone
Anchorage depth 30 mm Thermal conductivity (chi) 0,003 W/K