Enclosures & Structures

Getting the Highest Performance for Your Enclosure, Structure and Facade

Enclosures & Structures

Want to learn more about this specialty?

Let's Talk
 2021/12/specialty_enclosures_A_2x.png  2021/12/specialty_enclosures_B_2x.png

Confidence in Your Building’s Future

In an era when enclosure-related construction claims, defects, and warranty call-backs are soaring, we help your projects move ahead and eliminate worries about risk. We bring 35 years of building enclosure and performance testing expertise. And, we are the first integrated source for building enclosure, enclosure design and enclosure access. 


Lerch Bates specializes in creating, testing, and repairing enclosure systems on all six sides of your building and structure throughout its entire lifecycle. 


  • Enclosure Design – Realize your most ambitious architectural visions for facades with unique access to cutting-edge materials. Our experience with more than 2,000 facade design projects completed in 20+ countries around the globe includes design, engineering, material applications, procurement, quality control, and construction of facade elements.


  • Enclosure Access Design – As a world leader in facade access design for nearly 40 years, we set the standard for innovation in exterior building maintenance equipment systems. Access your exterior facades for window cleaning and exterior maintenance safely and preserve the longevity of your building.


  • Enclosure Engineering – Our building science experts help you control every element affecting your building: from air and water to thermal and vapor. With thousands of completed projects and 120 building enclosure specialists, we restore confidence in your project.

 2021/12/enclosures_photo_2x-1-e1641926781134.jpg Services

Enclosure and Structure Expertise for Every Stage in the Life of Your Building



  • Enclosure Design
  • Enclosure Access Design
  • Pre-Design Consultation and OPR Development
  • Exterior Enclosures & Cladding Design
  • Roofing and Waterproofing Consulting
  • Curtain Wall Design and Consultation
  • Technical Plan and Specification reviews
  • Air Barrier Consulting and Testing
  • Material Reviews and Mockup Testing
  • 2-D Thermal Modeling and Hygrothermal Analysis




  • Building Enclosure Commissioning (BECx)
  • Bid Document Preparation
  • Bid Management
  • Subcontractor Submittals and Shop Drawing Reviews
  • Preconstruction Meetings and Training Seminars 
  • Comprehensive Enclosure Quality Assurance Observations 
  • Field Performance Testing
  • Construction Administration and Issues Tracking
  • Verification Plans and Checklists




  • Roof Asset Management
  • Warranty and Maintenance Observations
  • Pre-Purchase Due Diligence
  • Operations and Maintenance Manuals and Training
  • 3D Imaging Using Matterport
  • Fall Protection



  • Diagnostic Testing
  • Property Loss
  • Expert Witness
  • Property Condition Assessments
  • Roof and Enclosure Assessments
  • Non-Destructive Evaluations
  • Ground Penetrating Radar


Repair + Modernize

  • Historical and Masonry Restoration
  • Building Code Upgrade Analysis
  • Feasibility Studies
  • Heavy Demolition, Implosion, or Construction Activity Vibration Monitoring
  • Structural Repairs
  • Residential and Commercial Building Assessments

“Lerch Bates’ support has made our project outcomes more successful and predictable. It is always a pleasure to work with this team and the peace of mind it brings knowing that things will be done correctly.”