- See that all joints are thoroughly raked out before work commences except where pointing is in the same mortar as the masonry when joints should be struck as masonry proceeds. Insist on a whole wall being treated at one time, i.e., the joints from top to bottom in the whole length should be laked out. Where cement mortar is used in the masonry and joints are not to be struck along with work insist on joints being raked out every evening after the days work, as otherwise the mortar will set hard and have to be cut out, damaging the edges of the bricks. See that joints are washed and well wetted before commencement of work.
- See that the correct type of pointing as specified is done. All the pointing should be .as per the sample already approved.
- Take great care in mixing mortar for plaster and pointing. Ensure that mixing is in accordance with specifications.
- Plastering must not commence till all the internal plumbing and conduits for electrification have been laid and covered.
- In plastering see that laths are used to show thickness of coat required at not more than 1.5 m spacing.
- In two-coat work never allow first coat to exceed 10 mm or as specified and see that it is kept wet for 7 days before second coat is applied.
- Check plaster to see that it is in plumb.
- Reject any plaster which 'blows'. Insist on careful slaking of lime to guard against this in lime or lime gauged plaster except where hydrated bagged lime is used.
- Avoid excessive troweling.
- Plastered and pointed surfaces should be kept wet for 10 days after completion.
Plastering and Pointing
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