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500 ONE PIECE SILLS/ THRESHOLDS
• Bed joints: Leave open except under:
- End bearings.
- Masonry mullions.
• Pointing on completion: Mortar to match adjacent work.
535 POINTING
• Joint preparation: Rake out to depth of 7–10 mm as work proceeds. Remove
debris. Dampen surface.
• Mortar application: Neat and consistent.
RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01
