Marble, Granite and Onyx
Natural Surfaces for Contemporary Architecture

Timeless materials

Make room for imagination. The choice of Marbles, Granites and Onyx sourced from all over the world knows no bounds.

Innovation and tradition

Craftsmanship combined with cutting-edge technological processes to deliver consistently outstanding products.

Ricerca

Sempre alla scoperta di nuovi materiali e finiture di design per creare progetti unici ed esclusivi.

Marble and granites are fragments of nature sculpted by time.

Every vein tells a story thousands of years in the making, a unique imprint left by the silent passage of natural forces. Selected from the world’s most renowned quarries - in Carrara, Iran, and Brazil - these materials become architecture, transforming spaces into expressions of authentic, timeless beauty.

Natural materials chosen by architects and designers to create residential spaces, hotels, showrooms and high-end projects. Their expressive power takes shape through design, where material becomes architectural language.

Unique, richly textured surfaces define spaces created in Rome, Milan and Florence, in collaboration with architecture and design studios and industry professionals.

pavimento in marmo corridoio

Collaborating to create

We collaborate with architecture studios, interior designers and companies on residential, hospitality and retail projects.
Every project is unique.
 Every material is the result of a vision and a deliberate choice.
KREI is where material and design come together.

Do you have a project in mind?

REQUEST ASSISTANCE
BOOK A SHOWROOM APPOINTMENT

Technical FAQs

1What are marble, granites, and onyx?
Marble, granite, and onyx and onyx are natural stones used in architecture and interior design for flooring, wall cladding and surfaces Marble is a limestone-based stone that can be polished, granite is a highly durable igneous rock, while onyx is a rarer, translucent stone prized for its distinctive decorative appeal.
2What is the difference among marble, granite, and onyx?
Marble is characterized by elegant veining and refined surface. Il granito è più duro e resistente, ideale per applicazioni ad alto utilizzo o per esterni. L’onice, invece, si distingue per la sua trasparenza e profondità cromatica, ed è utilizzato principalmente in contesti decorativi e scenografici.
3Where can they be used?
Marble and granite are suitable for flooring, wall cladding, staircases, bathrooms and kitchens, for both indoor and outdoor applications. Onyx is mainly used for wall cladding, decorative feature walls and backlit surfaces.
4What are the advantages of marble?
Marble offers timeless beauty, a wide variety of colours and natural veining, and a surface that reflects light, helping to create brighter, more refined spaces.
5Is granite more durable than marble?
Yes, granite is generally more resistant to impact, scratches and weathering than marble. For this reason, it is often chosen for surfaces subject to heavy use or for outdoor applications.
6When should you choose Onyx?
Onyx is ideal when a project calls for a material with strong visual impact. Thanks to its translucency, it is often backlit to create unique, striking surfaces.
7Are they also suitable for outdoor use?
Some types of marble and granite can also be used outdoors. Granite, thanks to its natural durability, is particularly well suited to outdoor applications. Marble can be used with the appropriate finishes and treatments. Onyx is generally recommended for indoor applications..
8Are marble floors durable?
Marble offers good resistance to compression and wear and is suitable for flooring and wall cladding, provided it is properly treated and maintained over time.
9Do they require maintenance?
Yes, it is important to use specific cleaning products and avoid acidic substances. With the right protective treatments, marble and onyx retain their aesthetic qualities over time. Granite generally requires less maintenance.
10Can they be customized?
Yes, every slab is unique in terms of colour, veining and texture. They can be crafted with a range of finishes (polished, matt or brushed) and tailored to specific design requirements.