Helical wall ties by using a continuous deep-trough helix that gives a fantastic keying area to reinforce bonding when secured with resin, grout or mortar.
-Drill pilot hole from the façade material and to the backup substance to the specified embedment depth + 1" employing appropriate drill bit(s) while in the chart down below. Drill ought to be in rotation-only method when drilling into tender masonry or into hollow backing material.
Thor Helical manufacture A selection of remedial tying methods for wall tie substitution, brick pinning and lateral restraint strapping. Strategies for setting up these substitute wall ties include:
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Suitable for flat websites in which The fundamental wind pace is as many as 31m/s and altitude is not greater than 150m over sea degree
Joist Hangers - Assist in anchoring joists in a set place, creating a improved link among the joist and also the wall or beam. They can be found in both a encounter mount or top flange software for nominal, rough-cut, glulams and all kinds of engineered lumber.
Cavities are ever more wider to support thicker insulation depths, as Vitality performance expectations enhance. Typical wall ties are now accessible to click here fit cavity widths from 50mm to 450mm.
Shear failures involve fastener breakage and back again pry-out (In particular with a gaggle of fasteners or Those people hooked up into hollow CMU through the encounter shell) and edge breakout.
One more indication is bulging or leaning walls. This can be attributable to the wall ties not having the ability to maintain the two layers of masonry together. In the event you observe any of those indications, it’s crucial that you Get the wall ties checked out by a professional immediately.
Remedial wall ties are most often utilized for reconnecting the internal and outer walls of an existing cavity-wall framework. Wall tie replacement is usually essential when the first tying method loses power because of corrosion.
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Metal bar joists typically use pocketed or ledger connections to concrete masonry walls. Proprietary programs that use concrete masonry models like a filler concerning the steel joists are obtainable.
When replacing cavity ties with a remedial tying process it is necessary to bear in mind which the substitute wall here ties should really complete exactly the same capabilities as Individuals demanded from ties Utilized in the structures design. They ought to:
Producer’s literature must be consulted for details pertinent to the fastener and its application. A partial list of national examination approaches and benchmarks relevant to fasteners contains references 4 via 8.