9.28.6. |
Stucco Application |
9.28.6.1. |
Low Temperature Conditions
- The base for stucco shall be maintained above freezing.
- Stucco shall be maintained at a temperature of not less than 10°C during application, and for not less than 48 h afterwards.
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9.28.6.2. |
Number of Coats and Total Thickness
- Stucco shall be applied with at least 2 base coats and one finish coat, providing a total thickness of not less than 15 mm, measured from the face of the lath or the face of the masonry where no lath is used.
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9.28.6.3. |
First Coat
- The first coat shall be not less than 6 mm thick, measured from the face of the lath or masonry, fully embedding the lath.
- The surface of the first coat shall be scored to provide a key with the second coat.
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9.28.6.4. |
Second Coat
- The second coat shall be not less than 6 mm thick.
- The surface of the second coat shall be lightly roughened to provide a key with the finish coat if the finish coat is other than stone dash.
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9.28.6.5. |
Finish Coat
- When the finish coat is other than stone dash, the base shall be dampened but not saturated before the finish coat is applied.
- The thickness of the finish coat shall be not less than 3 mm.
- When a stone dash finish is used, the stone shall be partially embedded in the second coat before the second coat starts to set or stiffen.
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