Where Do Dark Stains on Exterior Facades Come From?

Where Do Dark Stains on Exterior Facades Come From?

It’s very common to see the exterior stone on buildings appear dirty and stained over time.  Dark streaks and darkening of entire facades are hard to prevent in many cases. However, finding main sources of the staining can be removed, lessening the effects of the...
Patina for Exteriors

Patina for Exteriors

Patina is an aging process that happens naturally when metal is exposed to the elements and use. When metal is left untreated, over time the metal oxidizes turning it a different color (i.e.: brown, black, or green), or it can darken the color of the metal. For...