Welcome Kevin Buckley, Building Envelope Consultant
August 14, 2026
Kevin Buckley’s career has always centered on buildings, but the way he looks at them
Open the Envelope
Featured Posts
When to Call a Restoration Engineer: Doctor, Urgent Care, or Emergency Room?
July 28, 2026
We have used the healthcare analogy extensively over the years in these articles, this one
Reflecting on the Effectiveness of NYC’s Facade Inspection & Safety Program
July 28, 2026
After almost 30 years as a professional in the construction industry in NYC the road
Post Category
Mortar Types and Mortar Joint Profiles in Masonry Restoration
In masonry restoration, the spotlight often falls on the brick, stone, or terra cotta. Yet
Hofstadter’s Law and the Exterior Restoration Schedule
Hofstadter’s Law: engineers & physicists are doomed to be nerds… No…wait… we are talking about
From Thinking to Doing: What The Bomber Mafia Can Teach Us About Exterior Restoration
In The Bomber Mafia, Malcolm Gladwell sets up a sharp contrast between Haywood Hansell and
Rust Jacking in Existing Buildings: Understanding the Cause, Impact, and Prevention
Rust jacking is one of the most destructive yet often hidden deterioration mechanisms affecting older
Introducing Michael Olayo, Building Envelope Consultant
Duffy is proud to welcome Michael Olayo as Building Envelope Consultant in our New York
Introducing Steven Lockwood, Senior Building Envelope Consultant
Duffy is proud to welcome Steven Lockwood as Senior Building Envelope Consultant in our Massachusetts