IPIQ

FIXED CONSTRUCTIONS

E04

BUILDING

E04B

GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS

2/00

Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls

E04B2/02

built-up from layers of building elements

E04B2/14

Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element