Update on the effort to develop provisions for plastic glazing for introduction into UN R43.

Proposal to replace the term “double glazing” with “multiple glazing” and “double-glazed unit” with “multiple-glazed unit” and to amend provisions to permit approval of such components that involve assemblies of more than two window panes.

Update on the effort to develop provisions for plastic glazing for introduction into UN R43.

Proposal to replace the term “double glazing” with “multiple glazing” and “double-glazed unit” with “multiple-glazed unit” and to amend provisions to permit approval of such components that involve assemblies of more than two window panes.