Assertion: mullion | /r/HasProperty | provided with latching ribs
Facets:
Source sentences:
text: A mullion structure for curtain walls as claimed in claim 1, wherein the mullion and the capping member are U-shaped and provided with latching ribs and the connector strip is a web having a pair of flanges extending from each face, the flanges having latching ribs at their free ends, and a pair of stop members aligned with the web and adapted to be engaged between contiguous faces when the mullion structure is assembled and form a vapour barrier separation between said faces.