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Thin Joint Wall Ties    Product

Thin Joint Wall Ties

appex innovation

Thin joint blockwork ties ties are hammered directly in to thin joint blocks, providing a high speed and reliable connection.  Suitable for all makes and strengths of aircrete blocks and in cavities up to 150mm wide.  CE Marked to BS EN 845-1

Category: Cavity Wall Ties

Cavity wall ties for tying thin joint blockwork construction.  Thor Helical thin joint wall ties are precision engineered for fixing to Thermalite, Celcon, Xella and similar gas aerated thermal blocks.

The helical wall ties are hammered directly in to thin joint blocks to a depth of 85mm.  Work hardened helical blades cut a precise interlocking thread into the host wall material providing a high speed and reliable connection.  Patented pitch accuracy ensures unrivaled performance in thermal blocks.

Thin joint wall ties are cold-roll profiled and twisted to form a 7mm diameter helical tie with a cross sectional area of just 9mm2 and a nominal tensile strength of 9.5kN. The dynamic stiffness of the ties is less than 113MN/m3, taking both cavity width and tie density of 2.5 ties per square metre into account.

  • Suitable for all makes and strengths of aircrete blocks – 2.8 to 10.5N/mm2
  • Suitable for wide cavities – up to 150mm.
  • Thor Helical thin joint wall ties conform to BS EN 845-1 and conditions for CE marking according to Annex ZA.1
  • The ties meet the requirements of PD 6697 as a type 2 or 3 tie, the classification being dependent on the strength of the block and the width of the cavity:

Thin joint ties are supplied in cartons of 2000 pieces.  They can be packed in distributor-supplied boxes in bespoke quantities.

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Description

International Manufacturer of Precision Engineered Helical Bars, Wall Ties & Fixings

Thin joint blockwork ties ties are hammered directly in to thin joint blocks, providing a high speed and reliable connection.  Suitable for all makes and strengths of aircrete blocks and in cavities up to 150mm wide.  CE Marked to BS EN 845-1

Category: Cavity Wall Ties

Cavity wall ties for tying thin joint blockwork construction.  Thor Helical thin joint wall ties are precision engineered for fixing to Thermalite, Celcon, Xella and similar gas aerated thermal blocks.

The helical wall ties are hammered directly in to thin joint blocks to a depth of 85mm.  Work hardened helical blades cut a precise interlocking thread into the host wall material providing a high speed and reliable connection.  Patented pitch accuracy ensures unrivaled performance in thermal blocks.

Thin joint wall ties are cold-roll profiled and twisted to form a 7mm diameter helical tie with a cross sectional area of just 9mm2 and a nominal tensile strength of 9.5kN. The dynamic stiffness of the ties is less than 113MN/m3, taking both cavity width and tie density of 2.5 ties per square metre into account.

  • Suitable for all makes and strengths of aircrete blocks – 2.8 to 10.5N/mm2
  • Suitable for wide cavities – up to 150mm.
  • Thor Helical thin joint wall ties conform to BS EN 845-1 and conditions for CE marking according to Annex ZA.1
  • The ties meet the requirements of PD 6697 as a type 2 or 3 tie, the classification being dependent on the strength of the block and the width of the cavity:

Thin joint ties are supplied in cartons of 2000 pieces.  They can be packed in distributor-supplied boxes in bespoke quantities.

PRODUCT SPECIFICATION

The 7mm ø Thor Helical thin joint wall ties are manufactured from AISI304 Austenitic Stainless Steel. The thin joint ties are supplied standard lengths of:

  • 205mm ties for 50mm cavity
  • 230mm ties for 75mm cavity
  • 255mm ties for 100mm cavity
  • 280mm ties for 120mm cavity
  • 305mm ties for 150mm cavity

TIE CLASSIFICATION

Block Strength 50 – 100mm Cavity 125 – 150mm Cavity
2.8 – 4.0 N/mm2 Type 3 Tie Type 3 Tie
7.0 – 10.5 N/mm2 Type 2 Tie Type 3 Tie

PERFORMANCE LOADS at 150mm cavity (taken from CE Mark Testing)

Block Strength Tension Compression
2.9N/mm² 1410N 930N
3.5N/mm² 1673N 1346N
7.0N/mm² 1888N 930N
10.0N/mm² 1856N 930N
PERFORMANCE LOADS at 100mm cavity (taken from CE Mark Testing)
Block Strength Tension Compression
2.9N/mm² 1410N 930N
3.5N/mm² 1673N 1346N
7.0N/mm² 1888N 1844N
10.0N/mm² 1856N 1844N

TYPICAL MECHANICAL PROPERTIES OF THOR HELICAL THIN JOINT TIES

Product Attributes Value
Diameter 7mm
CSA 10mm2
0.2% Proof Stress >880N/mm2
Ultimate Tensile Strength* 1025-1225N/mm2
Mean Tensile Capacity # 11kN

* Ultimate Tensile Strength is measured within a calibrated tolerance of +/- 2% # Mean Tensile Capacity is an indicative value derived from CSA x Mean UTS

This video demonstrates the helical bars being used to create deep brick beams to span a window opening. The stainless steel helical reinforcing bars are bonded with WHO-60 polymer modified grout into cut slots cut into masonry. It offers a quick, simple and durable solution for strengthening and stabalising damaged masonry structures

CE Mark Declaration of Performance Thin Joint Tie (PDF)