BL-40 Ladder Reinforcement

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The BL-40 consists of a ladder-type masonry reinforcing for composite walls with box ties lap-welded every 16” (400 mm) O.C. that extend into the collar joint.

  • A System 2000 wire tie is then engaged to complete the system.
  • The collar joint between wythes should be filled with mortar or grout to achieve maximum strength.
  • Not recommended for use in cavity wall systems.
  • Minimum embedment of tie is 1 1/2” (40 mm).
  • A fabricated ladder-type reinforcement designed to be embedded in the horizontal mortar joints of cavity, veneer and composite masonry walls.
Finish Material Specification Coating Specification Minimum Coating Mass
Mill Galvanized Wire CSA A370-14 A641 .010”
Hot Dipped Galvanized After Fabrication Wire CSA A370-14 ASTM A153 Class B2 1.50 oz/ft2 (457 g/m˛)
Stainless Steel Wire ASTM 79-AISI, Type 302 & 304 None Uncoated
  • 10’ (3.048 m) lengths.
  • 25 pieces per bundle.
  • Bed joint alignment for connecting wythes recommended.
  • Complies with ASTM C951, ACI 530 for joint reinforcement, CSA standard A370.

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