(57) A wall tie system for use during construction of a new structure to tie the new structure
to an existing wall. The system comprises a backing plate (l) which in use, is fixed
to the existing wall and a number of wire ties (20, 2l, 22) having one part (2l) which
is, in use, engaged with the backing plate (l) and another part (20) which is interposed
between successive courses of the new wall. The backing plate is provided along its
length with a number of hook-like tabs (7) extending out of the front face of the
backing plate behind which the wire ties are engaged. The tabs (7) are arranged in
opposed pairs and the pairs in longitudinally spaced groups with three pairs to a
group. The wire ties (20, 2l, 22) are approximately U-shaped with the ends (2l, 22)
of the links of the U bent at right angles to the plane of the U. The tie (20, 2l,
22) is fitted to the backing plate (l) by inserting the bent ends (2l) of the limbs
of the U behind the tabs (7) so that the web (20) of the U extends outwardly from
the backing plate (l) and positioning the tie on the backplate (l) so that the web
(20) of the U lies between two successive courses of the new wall.
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