This Committee Draft Rwanda Standard provides information and recommendations for vertical glazing in the external walls and interiors of buildings, with respect to: a) structural sealant glazing; b) bolt fixed structural glazing; c) frameless doors and entrances; d) mirrors; e) bolt fixed structural glazing with countersunk holes is not specifically covered. NOTE Some guidance is also given on non-vertical use of mirrors. These recommendations do not apply to: a) patent glazing; b) glass in non-vertical applications; c) glazing for furniture and fittings; d) glazing for commercial greenhouses; e) glazing for domestic greenhouses. This standard does not specify requirements for workmanship for the application of sealants.