Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation

Full Title

Roof covering by making use of flat or curved slabs or stiff sheets > Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

BUILDING

Subclass:

ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS