These are permitted only on wood backup walls.
Coragated concrete wall ties.
16 mm of the bend in the tie.
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These include the type of masonry to be tied the cavity width.
Typically used in low rise residential veneer over wood frame construction and are not recommended for construction incorporating brick veneer over steel studs masonry backed cavity walls multi wythe walls or grouted.
The corrugated wall tie is for anchoring wood stud to masonry.
Brick or masonry to concrete.
Tms402 aci530 building code allows corrugated wall ties in walls with a maximum airspace of 1.
The best location of the nail is at the bend in the corrugated tie and the bend should be 90o in many cases residential ties are 26 or 28 gauge.
Traditionally bricklayers installed ties as they moved up the wall which ensured a proper bend.
Standard spacing for cavity brickwork 900mm x 450mm centres in a staggered pattern 2 5 ties per square metre wall tie selection.
Used for anchoring brick veneer to wood stud backups with a maximum airspace of 1.
For larger airspaces use the corrugated brick veneer anchor with hole 187.
1 provide a connection 2 transfer lateral loads 3 permit in plane movement to accommodate differential movements and in some cases restrain differential movement.
The selection of wall ties depends on many factors.
Available in 22 18 and 16 ga.
Check code requirements for seismic zones.
They are made of cold rolled steel.
Since the slot provides up to 4 inches of vertical adjustment the installer can align the vee with any joint height.
Mill galv hot dip galv stainless steel.
Standard size is 7 8 wide x 7 long.
Attach to wood studs or framing with a corrosion resistant 8d common nail or fastener with equivalent or greater pullout.
Function of wall ties.
Brick or masonry to frame construction.
Bia technical note 28 states.
Wall ties are an essential component of a cavity wall helping to keep the structure safe and stable.
The nail attaching a corrugated tie must be located within 5 8 in.
Used to bond masonry veneer to a wood frame backup wall with maximum 1 airspace.
If that s not acceptable consider using base and vee ties which consist of a base with a slot that is attached to the wall and a wire vee that extends from the slot to the mortar joint.
Corrugated wall ties for use in tying.
This product is only recommended for use in residential construction.
Typically wall ties perform three primary functions between a wythe of brick and its backing or another wythe of masonry.
Wtf wall ties are manufactured to meet the requirements of today s various pouring methods.
Corrugated ties are only stiff enough for a 1 inch airspace.
Further information about the position and density of cavity wall ties may be found in pd 6697 2010.