Knowledge
Commercial roofing systems, materials, maintenance, replacement, coatings, warranties, and technical fundamentals.
The trusted knowledge platform for commercial roofing decisions.
Independent, sourced guidance for the people who actually carry commercial roofing decisions — owners, property managers, boards, and the professionals who advise them. No sales pitch, no scare tactics: published editorial standards, sources on every published page, and plain statements of what we do not yet know.
Press / anywhere to search.
Assessments may be performed by Victory E&I Roofing and Construction LLC, which shares common ownership with CRI — relationship disclosed. CRI itself is an independent educational platform and performs no roofing work.
✓ Editorial independence — public standards ✓ Every published page lists its sources ✓ Public corrections policy
9
Encyclopedia articles
1
Decision guide
6
Comparisons
8
Glossary terms
Every count is of published, sourced work — the library is early and grows only as each piece clears editorial review. Work in progress is listed below, and stays unlinked until its sources are verified.
Start anywhere
Six ways into the knowledge base
The same library, organized six ways — by topic, by tool, by emergency, by role, by evidence, and by question. Enter wherever your problem starts; every page cross-links to the rest.
Tools
Decision-support calculators and planners, built with published methodology — in development, shipping only as their underlying data is validated.
Situations
Guidance organized around real decision moments — leaks, storm damage, insurance claims, repair versus replacement, hurricane preparation, and due diligence.
For Your Role
Resources tailored to property owners, property managers, facility managers, HOA boards, investors, developers, architects, engineers, and insurance professionals.
Data & Research
Benchmark datasets, roof-life research, and methodology reports — versioned and published as they are validated.
AI Assistant
In development: a citation-disciplined research assistant that will answer only from approved sources and clearly acknowledge gaps or uncertainty.
Start with the decision in front of you
Featured guidance
Most people arrive here mid-decision — a leak, a bid, a board meeting. These are the pages that answer the questions we see most, in the order the decision actually unfolds.
Repair or Replace? How to Decide
The framework for the most consequential decision a roof forces: what to weigh, what evidence to gather, and when each path deserves serious analysis.
My Roof Is Leaking — What To Do Right Now
The first hour, in order: protect people, contain water, document everything before cleanup — and the expensive mistakes people make while it is still raining inside.
Storm Damage: The First 72 Hours
What to document, who to call, and what not to sign. The steps that protect both the building and the insurance claim, sourced to Ready.gov and OSHA guidance.
TPO Roofing Systems: An Owner's Reference
The most widely installed commercial membrane in North America: how it performs, how it fails, and the four things to verify before specifying it.
EPDM Roofing: Performance, Uses, and Tradeoffs
Where the oldest single-ply system still wins, where it does not, and how to read its long material history without mistaking it for a service-life promise.
In verification now
The pages below are written and in source verification. They publish — and appear here — only when every claim has a citation that survives review. That is slower than the industry norm. It is also the point.
TPO vs. EPDM · Property Manager role guide · HOA Board role guide · Glossary: ponding water, positive drainage, scupper · Roof Life Expectancy Benchmarks v1.0
The research desk
What’s moving at CRI
Everything below is published and sourced. This library is deliberately small — it grows only as each piece clears editorial review.
Recently updated
How pages earn their place
Every page on CRI carries a visible publication status. Published means every claim carries a listed source that survived verification review. Technical review pending means editorially complete, with subject-matter verification still open — and the page says so. Draft work is excluded from search, from promotion, and from this homepage until its sources are verified.
The full framework is public: editorial standards, methodology, and a corrections policy that fixes errors in the open.
For your role
Different seats, different questions
A leaking roof is one event, but it is ten different problems depending on where you sit — a capital decision for the owner, a claim for the insurer, a board vote for the association. Start from the questions your seat actually asks.
Building Owners
One roof, one budget, and a repair-or-replace question with six figures attached.
“Do I actually need a new roof, or am I being sold one?”
Property Managers
Tenant calls, vendor quotes, and owners who want one defensible recommendation.
“A tenant reported a leak — what do I do before the contractor arrives?”
HOA & Condo Associations
Volunteer boards making the building’s largest capital decision in public.
“How do we compare bids that don’t even describe the same scope?”
Facility Managers
Keeping the roof documented, maintained, and off the emergency list.
“What should be in the file before storm season, not after?”
Asset Managers
The roof is a capital asset with a service life — but the data behind “remaining life” claims is thin industry-wide.
“What evidence actually stands behind a life-expectancy number?”
CRE Professionals
Due diligence windows are short, and the roof is the deal’s least-inspected major system.
“What does the membrane on this building actually tell me?”
Developers
Specifying a roof system today that someone else will own for decades.
“What should the spec verify beyond the brand name?”
Architects & Engineers
Clients bring roofing claims from sales meetings; you need neutral references to answer with.
“Where is the sourced version of that claim?”
Insurance Professionals
Claims live or die on what was documented in the first days after a storm.
“What should the insured have on file before we ever meet?”
Financial Decision Makers
Approving roofing spend without a way to pressure-test the recommendation.
“Is this expenditure defensible, and what were the alternatives?”
Dedicated hubs for each role are in development and will publish under the same review standard as everything else. Until then, the links above go straight to the published work most relevant to each seat — nothing on this page links to unfinished content.
Why trust CRI
Built like a reference institution, governed like one
Independent
Editorial decisions are made solely by our editors, under public standards. CRI sells no roofing work and accepts no payment for coverage. Every relationship is disclosed.
Sourced, and honest about the gaps
Published pages list the documents behind them, and say plainly where the evidence runs out. Where our own data is not yet validated, we mark it and decline to publish a number rather than dress up a guess. See our methodology.
Accountable
Review dates on every page. A named editor behind every review. Errors fixed in public under our corrections policy.
When reading isn't enough
Want eyes on your actual roof?
Guides answer the general question. A written condition report with photos answers yours — what is actually up there, what needs attention, and what can wait.
CRI arranges complimentary commercial roof assessments: a documented walk of the roof, photographs, and a written condition report that is yours to keep — whether or not any work ever follows. No obligation, and a no-pressure standard: pitching during an assessment is grounds for removal from the referral program.
Disclosure: assessments may be performed by Victory E&I Roofing and Construction LLC, which shares common ownership with CRI. If you later choose to engage a partner for work, CRI may receive a referral fee — this is how the free platform is funded, documented under Funding & Relationships. CRI is an independent educational platform and performs no roofing work itself.
What you get
A documented roof walk, photos, and a written condition report — plus the
knowledge base to read it against.