Durability to simulated bird guano of nano-filled oleo/hydrophobic coatings for the protection of stone materials

[Display omitted] •The effects of simulated guano were evaluated on porous and compact stone materials.•Experimental fluorine resin with SiO2 nanoparticles was used as a protective product.•Coatings from commercial fluoropolyether or silicon-based polymer were compared.•The coatings provided hydroph...

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