Asphalt shingles
- Best when
- Accessible budgets and a broad installer network
- Think twice if
- Shorter planning life than premium systems
- Service-life lens
- Condition and installation matter
Your roof field guide
What’s over your head shouldn’t feel over your head.
Learn the parts of a roof, compare materials, decode contractor quotes, and plan practical next steps for your building and climate.
Free to use · No contact information required · No account
Roof coveringThe weather-facing material
UnderlaymentA secondary water-shedding layer
DeckThe structural surface below the system
Air + heat controlInsulation, sealing, and ventilation strategy
- Understand
- How a roof works
- Compare
- Systems and tradeoffs
- Measure
- Area, slope, and roofing squares
- Buy
- With a clearer scope
Start with your situation
What brings you here?
Roofing advice makes more sense when it begins with the decision you actually face. Pick a path; change it anytime.
Your clearest first step
Start with repair or replace
Leaks, storm damage, stains, or a roof that suddenly looks different.
Follow this pathNo account or contact information required.Your clearest first step
Compare roof systems
Build a realistic plan before materials, proposals, and timing pile up.
Follow this pathNo account or contact information required.Your clearest first step
Decode my quotes
Normalize scope, allowances, warranties, and exclusions—not just totals.
Follow this pathNo account or contact information required.Your clearest first step
Build a due-diligence list
Understand age, condition, likely capital needs, and inspection questions.
Follow this pathNo account or contact information required.Your clearest first step
Open the commercial guide
Plan low-slope systems, maintenance, disruption, drainage, and lifecycle cost.
Follow this pathNo account or contact information required.The tradeoff explorerThere is no best roof.
There is no best roof.
Only the best fit.
Every system moves cost, service life, repairability, weight, weather performance, and appearance in a different direction.
Standing-seam metal
- Best when
- Long horizons, snow shedding, and heat-aware design
- Think twice if
- Higher upfront cost and detail-sensitive installation
- Service-life lens
- Inspect coatings, clips, seams, and flashing
Slate
- Best when
- Historic character and very long ownership horizons
- Think twice if
- Weight, cost, and specialist repair requirements
- Service-life lens
- Stone, fasteners, and flashing age differently
Low-slope membranes
- Best when
- Commercial and large-span roof assemblies
- Think twice if
- Drainage, seams, edges, and maintenance drive outcomes
- Service-life lens
- Assembly-specific maintenance
Service life depends on the whole assembly, exposure, workmanship, maintenance, and product details. Compare the complete assembly, expected upkeep, and repair options for your building.
Roof Lab 01
Understand the shape of your roof.
Convert a known footprint and pitch into roof surface area and roofing squares. No roof access or contact details needed.
Why area is only one part of a quote
A real proposal depends on measured planes, tear-off, deck repair, access, flashing, ventilation, permits, labor, and the exact tested assembly—not simply square footage.
Read pricing methodologyA calmer buying process
From first clue to final inspection.
Save the useful pieces, skip what does not apply, and keep one roof plan as the project changes.
Preview the buying kitDiagnose
Separate symptoms from likely causes.
Compare
Choose systems by fit, not slogans.
Price
Build a range and name the unknowns.
Scope
Define the same work for every bidder.
Hire
Verify, compare, document, and inspect.
East Coast climate desk
One coast. Several roofing realities.
Snow and ice, mixed humidity, coastal wind, salt, heat, and storm rain do not reward the same details. Our regional guides begin with climate corridors—not copy-and-paste city pages.
Explore East Coast guidanceNortheast
Freeze–thaw · Ice dams · Snow · Historic materials
Mid-Atlantic
Mixed humidity · Rowhouses · Wind-driven rain · Low-slope additions
Coastal Southeast
Uplift · Hurricane rain · Salt compatibility · Heat
Field notes
Start with the question you need answered.
Start with the short answer, then follow the guide for practical details and questions to ask about your own roof.
Is a roof replacement really necessary?
Age matters, but leaks, deck condition, failure pattern, and repairability matter more.
Explore repair or replacementHow do I compare roofing quotes fairly?
Normalize tear-off, decking allowances, flashing, ventilation, permits, and warranties first.
Read the quote-comparison guideWhich roof works best on the East Coast?
There is no single answer—the Northeast, Mid-Atlantic, and coastal Southeast pose different risks.
Explore East Coast guidance