The National Palace of Culture in the central part of the Bulgarian capital city
The natural facing rock material we are presenting here is well-known
and is applied in four continents of the world in the architectural designs
of banks, governmental buildings, trade centres, temples, etc. It is used
not only for exterior and interior wall cladding but for flooring as well,
being highly durable, resistant to atmospheric attack and practically maintenance
In eight quarries in North-western Bulgaria are obtained Vratsa
travertine - Mushelkalk and natural breccia conglomerate
They are available in the form of blocks or slabs.
The blocks are produced by cutting or by perforation.
Their usual measures are 80-95/80-95/100-300 cm for Vratsa and
the Mushelkalk blocks have no standard dimensions, i.e. they
may have the size desired by the customer.
The width of the slabs is up to 40 cm.
They can be produced in any other required sizes, different from the standard
- thin slates, gang-saw slabs, any stone cladding or cut-to-size and complex