(1)
Masonry veneer 70 mm or more in thickness and resting on a bearing support shall be tied to masonry backing or to wood framing members with straps that are
(a)
corrosion-resistant,
(b)
not less than 0.76 mm thick,
(c)
not less than 22 mm wide,
(d)
shaped to provide a key with the mortar,
(e)
pre-bent during manufacture to a right angle within 6 mm of the fastener hole,
(f)
fastened with
(i)
corrosion-resistant wood screws conforming to Sentence 9.23.3.1.(3) that have a minimum diameter of 4.16 mm (No. 8) and a wood penetration of not less than 38 mm, or
(ii)
corrosion-resistant common spiral nails conforming to Sentence 9.23.3.1.(1) that are not less than 76 mm long and have a wood penetration of not less than 63 mm, and
(g)
spaced in accordance with Table 9.20.9.5.
Table 9.20.9.5. Veneer Tie Spacing
Forming Part of Sentence 9.20.9.5.(1)
(2)
Where hot-dipped, zinc-coated straps are used to meet the requirements of Sentence (1), they shall be pre-bent and pre-drilled or pre-punched prior to hot-dip, zinc-coated galvanizing.
(3)
Masonry veneer individually supported by masonry or wood-frame backing shall be secured to the backing in conformance with Subsection 4.3.2.
(4)
The straps described in Sentence (1) may be installed against one of the sheathings listed in Table 9.23.17.2.-A provided that
(a)
the tie is in contact with the exterior surface of the sheathing, and
(b)
the sheathing beneath the tie is not compressed.