Dry cleaning limestone NAS - Before

Dry cleaning limestone NAS - After

NAS - Complete limestone facade - Front

NAS - Complete limestone facade - After

Dry cleaning concrete block pallet juice - Before

Dry cleaning concrete block pallet juice - After

Dry cleaning efflorescence on concrete block - Before

Dry cleaning efflorescence on concrete block - After

Dry cleaning efflorescence on clay brick - Before

Dry cleaning efflorescence on clay brick - After

Dry cleaning - Concrete brick efflorescence slide - Before

Dry cleaning - Concrete brick efflorescence slide - After