Div. B › Part 9 › 9.20 › 9.20.14 — Protection During Work

9.20.14.1 — Laying Temperature of Mortar and Masonry

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(1) Mortar and masonry shall be maintained at a temperature not below 5°C during installation and for not less than 48 h after installation.
(2) No frozen material shall be used in the mortar mix.
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