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Business Details
43 Years
experience
Expert Roofing & Waterproofing Consulting Services
Van Dijk & Associates has been a trusted name in roofing and waterproofing consulting for over four decades. Our consultants combine extensive industry experience with cutting-edge technology to deliver durable, cost-effective solutions tailored to each project's unique requirements. With global affiliations, we ensure access to the latest advancements in materials and methodologies, enabling clients to implement energy-efficient, environmentally responsible building systems. Our services span customized specifications, quality assurance inspections, expert witness support, and preventative maintenance programs.

We prioritize transparency, integrity, and long-term client relationships, as evidenced by testimonials from satisfied clients spanning residential, commercial, and municipal sectors. Our commitment to avoiding shortcuts ensures clients receive meticulously documented compliance records and actionable recommendations for optimal project outcomes.
Services
Customized Specifications Quality Assurance Inspection Expert Witness Maintenance Program Evaluation Surveys Waterproofing Consulting Roofing Consulting Building Envelope Consulting
Details
  • Year established: 1983
Highlights and features
  • We provide expert witness services for roofing litigation cases.
  • Our preventative roof maintenance program extends roof life and reduces costs.
  • We offer customized specifications using the latest technology and materials.
  • Our consultants have over 40 years of experience in roofing and waterproofing.
  • We maintain global affiliations to deliver cutting-edge solutions.
What people say
Trusted consultants Expert witness services Preventative maintenance program Tailored solutions Global affiliations
Services
Customized Specifications
We develop customized roofing and waterproofing specifications using cutting-edge technology and material research. Our consultants analyze site conditions, insulation needs, and drainage requirements to create cost-effective, code-compliant systems. Clients receive detailed documentation ensuring project alignment with evolving industry standards and manufacturer guidelines.
Quality Assurance Inspection
Our inspectors perform in-process quality assurance checks to verify adherence to project specifications. Regular progress reports and photographic documentation guarantee transparency throughout construction phases. Electronic file records provide clients with comprehensive compliance evidence for future reference and warranty claims.
Expert Witness
We provide expert witness services for roofing and waterproofing litigation cases, offering technical analysis and court testimony. Our consultants' decades of experience help resolve disputes through deposition support, forensic evaluations, and code compliance assessments for both plaintiff and defense cases.
Maintenance Program
Our Preventative Roof Maintenance Program includes scheduled inspections, reflective coating maintenance, and early issue detection. Technicians identify potential problems before costly failures occur, extending system longevity while maintaining optimal energy efficiency for commercial and residential properties.
Evaluation Surveys
We conduct comprehensive roofing and waterproofing evaluations to prioritize project needs with clear budget recommendations. Our surveys deliver actionable insights for decision-making, including system performance analysis and cost-effective repair or replacement strategies tailored to each property's requirements.
People
Thomas A. Tomeo
Client Partner
Over 27 years of collaboration with Van Dijk & Associates, recognizing their expertise in roofing codes, material applications, and professional service delivery for commercial and residential projects.
Matt Davis
Project Manager
Holland Partner Group representative with experience on high-rise developments like Apex Phase II, commending the team's reliability and technical proficiency in waterproofing and building envelope consulting.
Andrew B. Nelson
Principal
Red Oak Investments representative overseeing residential developments, endorsing Van Dijk & Associates for their qualified inspections and straightforward approach to waterproofing system evaluations.
Questions
What services does Van Dijk & Associates offer?
We provide customized specifications, quality assurance inspections, expert witness services, preventative maintenance programs, and building envelope consulting for roofing and waterproofing projects.
How does Van Dijk ensure project quality?
Our vigilant inspectors monitor projects continuously, deliver detailed progress reports, and maintain comprehensive documentation for compliance and client peace of mind.
Do you offer litigation support?
Yes, our consultants provide expert witness services for roofing and waterproofing litigation, supporting both plaintiffs and defendants with technical expertise.
What areas do you serve?
We primarily serve Southern California, including Los Angeles, Orange County, and San Bernardino County, with nationwide client partnerships.
Do you provide maintenance programs?
Our Preventative Roof Maintenance Program includes regular inspections, coating maintenance, and proactive repairs to extend roof lifespan and reduce costs.