
Waterproof inside, self-cleaning outside — for stone and GRC
Feibo’s stone system pairs a penetrating nano primer with a nano self-cleaning top coat. Proven on landmark sculptures, municipal transport structures and public buildings: waterproof, stain-resistant, mould-resistant — one application, years of protection.
Stone self-cleaning projects
Click a case to see the site, what we did and the before/after results.

Mao Zedong Youth Art Sculpture, Orange Isle, Changsha
A city-landmark stone sculpture, fully exposed and almost impossible to clean, now stays clean on sunlight and rain.
View project →
Guangzhou municipal transport GRC elements
Road and bridge GRC elements and carved ornaments that stained and yellowed now shed rain and stay clean.
View project →
Meixihu Culture & Art Center white curved elements, Changsha
Large white curved facades show every stain; after coating, treated and untreated areas differ at a glance.
View project →Treated vs untreated
Same stone: the treated face sheets rain and stays free of efflorescence and mould; the untreated face absorbs water, stains and blackens.



Which stone is suitable?
- Large sculptures, monuments and cultural landmarks
- GRC curtain walls and municipal transport elements
- Granite and marble facades and plaza paving
- Porous substrates in public buildings and scenic areas that are hard to clean
For product performance and application process, see the stone self-cleaning coating product page →

Stone yellowing, staining and costly upkeep?
Tell us the substrate and area and we will assess a two-layer protection plan.
Contact usProduct details