Code: EIFS (building term)
Description: (Exterior Insulation And Finish System) is a non‑load‑bearing exterior wall covering that adds insulation and a protective finish to the outside of a building. It is a multi‑layer system that looks similar to stucco but is built with insulation boards, base coats, and a textured finish.
Practical Meaning: For a NYC homeowner, this means your building’s exterior may be covered with a synthetic stucco‑type system that provides extra insulation but must be installed and maintained correctly to avoid water or safety problems. If you plan facade repairs or Local Law 11 work, your architect or engineer must understand this system to design proper repairs and meet DOB and fire‑safety rules.
Where You May See It: You may see this term in facade inspection reports, Local Law 11 (FISP) engineer reports, architect specifications, DOB plan sets, contractor proposals, and building envelope or waterproofing surveys.
Why It Matters: EIFS can improve energy efficiency and reduce heat loss but, if damaged or poorly detailed, can trap water and cause hidden facade or structural problems, leading to expensive repairs. In NYC, unsafe or deteriorated EIFS areas found during FISP inspections can trigger DOB violations, repair orders, sidewalk sheds, and delays in refinancing or selling the property.
Source: More about EIFS exterior walls