door class

class-A door

A door having a 3-hr fire-endurance rating, suitable for use as a closure in a class-A opening.
Mentioned in ?
References in periodicals archive ?
Catchy guitar riffs, dancing fiddles and a whole lot of lovable girl next door class. Anyone familiar with country trends knows that Canada has been a singular source for new country trends and Fisher confirms that's not changing soon.
Civic 3dr is second only to the Ford Focus in the petrol C-sector three- door class
Among the 12 young people appearing on stage and selected at auditions in November last year will be Nathaniel Ellis, seven, from Slaithwaite, who is a member of the Lawrence Batley Theatre's Young Company, which runs Stage Door classes introducing children to the theatre.