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Business Details
40 Years
experience
Expert Building Envelope Solutions Since 1986
Founded in 1986, Roof Spec, Inc. (RSI) is a specialty engineering firm dedicated to addressing the design and performance of building envelopes. With decades of experience, we provide tailored solutions for roofing, waterproofing, flashing, and wall systems, focusing on moisture, air, and thermal intrusion challenges. Our team collaborates closely with clients to understand unique project requirements, delivering sound engineering solutions for commercial, industrial, educational, and historic structures. As an independent firm, we maintain no affiliations with contractors or manufacturers, ensuring unbiased, client-centric recommendations. Our expertise spans over 14,500 completed projects across North America and internationally, supported by advanced testing methodologies and a commitment to sustainable design practices.

We prioritize long-term client relationships, offering facility asset management programs and quality assurance observation services to safeguard building integrity. Our team's technical proficiency and adherence to industry standards have established us as a trusted leader in building enclosure commissioning and forensic engineering. Clients benefit from our comprehensive approach, which integrates investigative analysis, meticulous design, and construction administration to achieve durable, cost-effective outcomes. Our work on iconic structures like the Minnesota State Capitol and Cathedral of St. Paul underscores our ability to balance historical preservation with modern performance requirements.
Services
Building Envelope Investigation Quality Assurance Testing Enclosure Commissioning Asset Management Forensic Engineering Sustainable Design Waterproofing Solutions Roof System Analysis Historic Preservation Thermal Performance Assessment
Details
  • Year established: 1986
Highlights and features
  • We offer 40+ years of specialized building envelope expertise.
  • Our tailored solutions address unique project requirements and budgets.
  • As an independent firm, we provide unbiased engineering recommendations.
  • We've completed 14,500+ projects across diverse building types.
  • Our team combines forensic analysis with innovative design approaches.
Services
Building Envelope Investigation
Our team conducts comprehensive evaluations of roofing, waterproofing, and wall systems to identify performance issues. Using infrared thermography and moisture testing, we diagnose causes of water infiltration and thermal inefficiencies. Clients receive detailed reports with cost-effective repair recommendations tailored to structural requirements and budget constraints.
Quality Assurance Observation
We monitor construction projects to ensure compliance with design specifications and industry standards. Our observers document workmanship quality, material storage, and installation techniques. This service helps maintain project integrity while addressing field issues in real-time to prevent costly rework and ensure long-term performance.
Building Enclosure Commissioning
Our commissioning process validates performance of exterior building systems including roofs, windows, and air barriers. We verify conformance to project requirements through design reviews and field testing. This proactive approach ensures systems work cohesively to manage moisture, air movement, and thermal efficiency throughout the building's lifecycle.
Facility Asset Management
We develop customized programs for managing building envelope assets across multiple properties. Services include condition assessments, repair prioritization, and budget forecasting. Our systematic approach helps owners plan capital expenditures while extending the service life of roofing and waterproofing systems through preventive maintenance strategies.
Sustainable Design Consulting
Our sustainable design services integrate energy-efficient practices with building envelope performance. We recommend material reuse strategies and energy-conserving assemblies that meet environmental goals without compromising durability. This approach balances ecological responsibility with functional requirements to deliver long-term value for commercial and institutional clients.
Questions
What building types do you specialize in?
We work on commercial, industrial, educational, governmental, religious, and historic structures nationwide and internationally.
How do you handle complex roofing challenges?
Our team combines forensic analysis with innovative design solutions to address unique performance issues in challenging environments.
Are your services available outside Minnesota?
Yes, we provide consulting and field services across North America and for international projects.
What makes your firm different from competitors?
As an independent firm, we offer unbiased recommendations without manufacturer affiliations or construction conflicts of interest.
Do you work on historic preservation projects?
Yes, we specialize in restoring historic buildings while maintaining architectural integrity and meeting modern performance standards.
How do you ensure project quality during construction?
Our quality assurance observation services monitor installations in real-time to verify compliance with design specifications and industry standards.