Business Details
41 Years
experience
Trusted Roof Consulting & Building Envelope Solutions
Founded in 1985, Wja Consultants (WJA) has built a proven track record of delivering clearly articulated proposals, progress reports, and defensible final reports to clients responsible for absolute satisfaction with total building envelope solutions. Our team serves major law firms, hospitality corporations, and insurance companies, consistently delivering unparalleled transparency through fact-based reporting that holds up in court. With nearly four decades of industry experience, we combine personalized service with specialized personnel and equipment to address complex roofing and building envelope challenges. Our global reach extends to North America, Hawaii, the Caribbean, Mexico, Southeast Asia, Australia, the United Kingdom, Spain, France, and Morocco. We specialize in insurance inspections, asset management programs, and expert legal services, including storm causation reports, expert witness testimony, and building asset management.Our commitment to distinguishing between hail damage, wind uplift, mechanical faults, and normal aging ensures accurate diagnoses and tailored solutions for residential, small commercial, and large commercial clients. We develop preventative maintenance programs, conduct life-cycle forecasting, and provide detailed project specifications aligned with insurance, building code, and manufacturer requirements. Our legal clients rely on our unbiased, fact-based testimony and our reputation for integrity in deposition and trial settings. We pride ourselves on exceeding customer expectations through technical expertise, transparency, and a dedication to resolving complex building envelope issues worldwide.
Services
Roof Consulting
Building Envelope Assessment
Legal Expert Testimony
Asset Management
Insurance Inspections
Details
- Year established: 1985
Highlights and features
- We offer 40+ years of experience in roof consulting and building envelope engineering.
- Our team delivers court-defensible, fact-based reporting for legal and insurance needs.
- We provide customized asset management programs for residential and commercial clients.
- Our global reach spans five continents and diverse roofing systems.
- We combine technical expertise with transparent communication and preventative solutions.
What people say
Expert opinions clear and concise
Instrumental part of our team
Quality installation with minimal change orders
Essential to ensuring project success
Invaluable expertise continues to prove
Services
Roof Consulting
Our roof consulting services evaluate wind damage, hail damage, and installation defects using non-destructive methods. We assess steep and low-slope roofs made of shingles, tile, slate, or metal. Clients receive detailed reports with photographs, weather data, and repair cost estimates. Our expertise distinguishes between aging, mechanical faults, and storm damage to ensure accurate diagnoses.
Asset Management
We develop customized asset management programs for condo associations, schools, and corporations. Services include roof condition reports, preventative maintenance, moisture analysis, and life-cycle forecasting. Our team creates project specifications aligned with insurance and building codes while providing in-process inspections to ensure quality installations and cost-effective repairs.
Legal Expert Testimony
WJA provides expert legal services including deposition and trial testimony for roof and faade damage cases. We analyze opposing counsel's reports, conduct impartial inspections, and deliver fact-based testimony trusted by law firms. Our court-defensible reports combine technical expertise with clear communication to support litigation outcomes.
Insurance Inspections
We specialize in insurance inspections for residential and commercial properties. Our engineers identify hail, wind, and aging-related damage through thorough evaluations. Clients receive comprehensive reports with photographic evidence, weather data, and repair cost estimates. Our transparent methodology ensures accurate claims processing and dispute resolution.
Building Envelope Assessment
Our building envelope assessments analyze roof and faade systems to identify vulnerabilities. We use diagnostic testing and infrared thermography to detect moisture intrusion and material defects. Services include FM approvals, code compliance checks, and project close-out inspections. Our solutions enhance building longevity while minimizing unexpected repair costs.
People
J. Douglas Wallace
President & Founder
J. Douglas Wallace founded WJA in 1985 and pioneered its approach to transparent, fact-based reporting. With decades of experience in roof consulting and legal testimony, he leads complex building envelope projects globally. His expertise ensures technical excellence across all client engagements.
Joe Bragg
Senior Roof Inspector/Senior Legal Consultant
Joe Bragg combines technical roof inspection skills with legal expertise to support insurance and litigation cases. He conducts detailed damage analyses and prepares court-defensible reports. His dual specialization bridges engineering precision with legal requirements for client success.
Timothy D. Levine, AIA
Senior Exterior Faade Consultant
Timothy D. Levine specializes in exterior faade consulting for commercial buildings. As a licensed architect, he evaluates structural integrity and aesthetic performance. His work includes condition assessments, repair specifications, and project management for high-profile clients like Marriott Vacations Worldwide.
Michael Thomspson, P.E.
Building Envelope Engineer
Michael Thomspson provides engineering expertise for building envelope systems. He conducts technical analyses of roof and faade failures, develops repair solutions, and ensures compliance with industry standards. His engineering background supports complex projects requiring precise diagnostics and remediation.
Nate Mallott
Drone Supervisor/Infrared Thermographer
Nate Mallott leads drone operations and infrared thermography for moisture detection. He uses advanced technology to identify hidden roof defects efficiently. His data-driven approach enhances inspection accuracy while minimizing disruption to building occupants.
Questions
What services does WJA Consultants offer?
We provide roof consulting, building envelope assessments, legal expert testimony, asset management programs, and insurance inspections for residential and commercial clients globally.
How long has WJA been in business?
William John Associates has delivered building envelope solutions since 1985, with our founding team maintaining continuous industry leadership for over 35 years.
Which regions does WJA serve?
We operate across North America, Hawaii, the Caribbean, Mexico, Southeast Asia, Australia, the United Kingdom, Spain, France, and Morocco through our global network.
Can WJA handle legal cases involving roof damage?
Yes, we provide expert witness testimony, deposition support, and court-defensible reports for roof and façade damage litigation cases.
What makes WJA different from other consultants?
Our combination of technical expertise, transparent reporting, and global experience with complex building envelope systems sets us apart in the industry.
Do you work with insurance companies?
Yes, we've partnered with insurers for 35+ years, providing storm causation reports, damage assessments, and expert analysis to resolve claims efficiently.
