Independent Roof & Building Envelope Inspections

Northlines provides independent commercial and residential roof inspections, roof quality assurance observation (QAO), forensic leak investigations, building-envelope assessments, and property due diligence. Our work draws on over a decade of hands-on roofing systems experience. Based in Central Texas, we work on projects across the country.

Explore Our Services

Commercial roof and building envelope inspection in Central Texas.
Roof inspection documentation and building envelope assessment.
Certified roof inspector evaluating commercial roofing conditions.
Commercial property roof inspection and condition assessment in Central Texas.
Storm conditions over a residential property during a roof damage assessment.
Certified roof inspector performing a residential roof inspection.

Proven Experience. Independent Answers.

When nearly everyone calls themselves an expert or consultant, the title alone does not tell you who to trust. Look at experience, credentials, independence, and evidence behind the conclusion. Northlines provides independent roof and building-envelope inspections and investigations backed by extensive field experience and nationally recognized credentials. Our findings follow the observed evidence regardless of who retains us or who benefits from the conclusion.

Professional Credentials

  • IIBEC Registered Roof Observer (RRO)

  • IIBEC Registered Exterior Wall Observer (REWO)

  • Haag Certified Inspector – Master Level

  • Haag Residential Roofs (HCI-R)

  • Haag Commercial Roofs (HCI-C)

  • Haag Wind Damage (HCI-W)

Commercial flat roof inspection with rooftop HVAC equipment and penetrations.

Who We Help

Drone aerial inspection of residential roofs and surrounding property conditions.
Property professionals reviewing roof inspection findings and documentation.
Property inspection documentation and professional reporting.
Commercial property professionals reviewing building and roof conditions.

Buyers, Investors, & Lenders

Insurance Agents & Real Estate Professionals

Property Owners & Managers

Attorneys & Legal Teams

Roof Inspection Questions & Answers

Looking for an independent roof inspector in Central Texas?
Northlines provides independent commercial and residential roof inspections throughout Central Texas and across Texas. Our inspection work is separate from selling roofing repairs or replacements.

Who should I call for a roof leak inspection?
Northlines investigates roof leaks, water intrusion, roofing conditions, and building-envelope concerns to help identify and document observed conditions and likely sources.

Are your roof inspections performed by a Haag Certified Inspector?

Northlines inspections are performed by a Haag Certified Inspector – Master Level who holds Residential Roofs (HCI-R), Commercial Roofs (HCI-C), and Wind Damage (HCI-W) certifications, along with IIBEC RRO and REWO credentials.

Do you provide commercial roof inspections?
Yes. Northlines provides commercial roof inspections, roof condition assessments, forensic investigations, due diligence inspections, drone inspections, and professional documentation throughout Texas.

Do you provide roof quality assurance observation (QAO) during construction?

Yes. Northlines provides independent roof quality assurance observation (QAO) for active commercial, institutional, and government roofing projects, including field observations, photographic documentation, and written reporting based on the project requirements.

What makes a Northlines roof assessment independent?
Northlines evaluates and documents the conditions that are actually present. Findings are based on observed conditions, available evidence, construction details, and industry standards—not a predetermined outcome. The goal is to clearly identify what is happening and provide recommendations supported by the findings.

Request an Inspection or Consultation

Tell us about the property and what you’re experiencing. Northlines will review your request and contact you to discuss the appropriate inspection or consulting service.