ejotherm® STR U 2G

Specification

  • Applications

    Universal screw-in anchor for countersunk and surface fixed installation in concrete and masonry

     

    • For all substrates (A, B, C, D, E)
    • For all insulation boards
    • For countersunk and surface fixed instalaltion
    • For homogeneous surfaces and even rendering
    • Up to 40% faster installation
    • With European Technical Approval (ETA)
  • Properties

    • Approved for all building materials
    • Countersunk installation - EJOT STR principle with ejotherm STR cap for homogeneous surfaces and even rendering - quick and easy without milling dust
    • Up to 40% fastener installation
    • Reduced thermal transmission (0.001 W/K)
    • Surface fixed installation using ejotherm STR plug
    • Short embedment depths, high loads for maximum safety and economic anchor usage
    • Permanent contact pressure
    • Premounted screw for quick installation
    • 100% setting control: the countersunk installation of the washer indicates safe anchorage
  • Technical specifications

    • Anchor diameter: 8 mm
    • Washer diameter: 60 mm
    • Drill hole depth, countersunk installation h1 ≥: 50 mm (90 mm)
    • Drill hole depth, surface fixed installation h2 ≥: 35 mm (75 mm)
    • Anchorage depth hef≥: 25 mm (65 mm)
    • Screw drive: TX30
    • Point thermal transmission χ 
      countersunk installation: 0,001 W/K
      surface fixed installation: 0,002 W/K
    • Use categories acc. to ETA*: A, B, C, D, E
    • German DIBt approval: Z-21.2-1769
    • European Technical Approval: ETA-04/0023

    Values in parentheses: anchoring in aerated concrete (use category E)
    *Specification according to ÖNORM B 6124 for concrete, solid brick and vertical brick

     

    Characteristic loads:
     

    Building material class A:

    • Normal weight concrete C 12/15 acc. to EN 206-1: 1.5 kN
    • Normal weight concrete C 16/20 - C 50/60 acc. to EN 206-1: 1.5 kN
    • Pre-cast concrete panel C16/20 - C50/60: 1.5 kN

    Building material class B:

    • Clay bricks (Mz) acc. to DIN 105: 1.5 kN
    • Solid lime sandstone (KS) acc. to DIN EN 106: 1.5 kN
    • Solid masonry of lightweight concrete (V) acc. to DIN 18152: 0.6 kN

    Building material class C:

    • Vertically perforated clay bricks (Hlz) acc. to 105: 1.2 kN
    • Vertical coring reference bricks (Hlz) acc. to ÖNORM B 6124: 0.75 kN
    • Sand-lime perforated (KSL) acc. to EN 106: 1.5 kN
    • Lightweight concrete hollow blocks (HbL)acc. to DIN 18151: 0.6 kN

    Baustoffklasse D:

    • Lightweight aggregate concrete (LAC): 0.9 kN

    Building material class E:

    • Autoclaved aerated concrete P2 - P7: 0.75 kN

    For calculation of design loads the national safety factors have to be included (e.g. Germany: 3). Please observe the approval.