VERT / GREEN
Observe, document and maintain without altering the system.
RenoAtlas · Ma maison / My Home
Chimney crown and cap: keeping water out
Separate crown/cap, roof flashing, masonry-joint and flue problems before only repointing visible mortar.
V47 · sources checked 2026-08-23
JAUNE / YELLOW
Measure and diagnose before closing or repairing.
ROUGE / RED
Stop DIY when structure, water, fire or heavy plumbing is involved.
Triage
What the professional checks
The professional checks cap slope/drip, liner separation, flashing, joints, water absorption, freeze-thaw and flue condition.
Sources
Related path
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Start from a symptomOrganize plausible causes, observations, urgency and the right professional.Open →Track water useCompare meter readings and flag unusual changes.Open →Review water resilienceConnect flooding, drainage and future events to building adaptations.Open →Score home resiliencePrioritize water, outages, fire, climate, health and records.Open →Plan site, drainage and utilitiesCoordinate access, water, sewer, wells, septic, grading and site constraints.Open →
V14
Systems to check before closing the work
V14 connects envelope, air, fire, structure, water and code instead of treating each project in isolation.
V15
Remaining system checks not to miss
V15 covers issues that can block a project, cause a loss or become expensive once concealed.
V16
Advanced diagnostics to cross-check
V16 connects water, soil, climate, safety, materials and seasonal use to existing projects.
V27
Project risks and overlooked interfaces
V27 connects payment, water, envelope, ventilation and jobsite details that often create costly surprises.
V28
Finish and service details to verify
V28 connects small details that become costly once finishes are closed.
V33
Invisible constraints before work
V33 checks electrical, legal, environmental and climate constraints that can block a project before demolition starts.