Cappings for use in conservatory roof construction

A capping as claimed in 10, wherein the gasket forms part of said edge spanning the gap between the ends of the inner and outer walls.

14-21. (canceled)

A glazing bar and capping combination as claimed in claim 23, wherein the projections extend up to said stem.

A glazing bar and an upper capping therefor and means for locating the capping on the glazing bar, the glazing bar having a stem and lateral flange means for supporting roofing panels directly or indirectly, and wherein the upper capping comprises at least a twin wall construction.

A glazing bar and capping combination as claimed in 33, wherein the gasket forms part of said edge spanning the gap between the ends of the inner and outer walls.

A glazing bar and an upper capping therefor and means for locating the capping on the glazing bar, and wherein the glazing bar has a stem and lateral flange means for supporting roofing panels, and wherein the space within the capping between the stem and the roofing panel is divided into at least two chambers.

(canceled)

(canceled)

A glazing bar and upper capping therefor of plastics material and means for locating the capping on the glazing bar, wherein the glazing bar has a stem and lateral flange means for supporting roofing panels, and wherein the space within the capping between the stem and the roof panel is divided into at least two chambers.