The Apex Channel Tie System is engineered to offer both positive and negative axial restraint against wind loads or shear restraint when applied at columns, for instance. This system enables a masonry wall to be connected to a concrete substrate, eliminating the need for site drilling and post fixing. The Apex Channel is available in standard lengths of 100mm or 3000mm, equipped with nail holes in the channel’s back, facilitating easy attachment to the formwork prior to the concrete pour. The channel is filled with a polystyrene infill to prevent concrete ingress. 4600 Range Channel Ties can be supplied with a debondable plain end and debonding sleeve for movement joint usage or a safety end with or without a drip feature, depending on the specific application requirements.
The Apex Channel, in combination with the 4600 Range Channel Tie, was cast into C30/35 concrete and evaluated at Ceram Research Limited to ascertain the Declared Load Capacity in tension, compression, and shear. The design resistance of ties adhering to BS EN 845‑1 is determined by the declared load capacity relevant to the type of mortar and masonry units, divided by the value of γM for ancillary components usage as stated in NA to BS EN 1996-1-1:2005, Table NA.1, which is a value of 3.5 for UK sites.
- Is compatible with masonry and channel tie
- Can withstand tension, compression, and shear
- Made from austenitic stainless steel (Grade 304)
- Has a CE mark (EN 845-1)
- Has been tested by CERAM
- Allows in-plane movement
- Provides lateral/shear restraint
- Has a debonded/plain/dripped feature
- Fulfills the requirements of the NHBC Technical Specification
The Apex channel, a high-performance, self-anchoring, cast-in channel, is designed to provide a horizontal or vertical slot in a concrete slab for accepting 4600 Range Channel Ties. Typically used to restrain brickwork, stonework, or other masonry structures, the Apex channel is suitable for applications with reduced cover to reinforcement. Installation involves nailing the channel onto the formwork prior to the concrete pour. Ties are installed by twisting them into the channel aperture to engage the profiled end into the corresponding channel profile.