There is no single approach to restoring historic building surfaces. Beyond aesthetic concerns, accumulated soiling and pollution retain moisture that accelerates deterioration from weathering. Open mortar joints, cracked masonry, and loose roofing or wall components allow moisture intrusion, leading to structural deterioration, fractures, and corrosion.

Because each substrate reacts differently to soiling and treatment methods, investigation and testing are essential to determine the safest and most effective approach. Modern laser technology and high-capacity steam systems can provide less invasive and more environmentally sensitive cleaning options in certain cases.

EverGreene’s conservators conduct detailed façade surveys and develop scope drawings to support planning and targeted conservation treatments. With expertise spanning investigation, conservation, and specialty contracting, EverGreene provides integrated solutions that address both the long-term preservation and performance of historic façades.