Practical Trades Manual Series
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Book 22 — Property Maintenance and Building Inspection: Preventive Maintenance, Condition Assessment, and Repair Planning

Project 03

Inspect Roof, Gutters, Downspouts, and Water Discharge

Inspect one residential roof-drainage system from approved safe observation points and document conditions affecting roof covering, flashing, gutters, downspouts, discharge, and foundation water exposure.

Field Cue System

These cues appear at the point of work. They identify safe-access, fall-hazard, code, manufacturer, and documentation issues before they become missed hazards or unusable records.

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Safety Cue

Task-specific guidance for ordinary roof-and-gutter inspection hazards.

✋

Critical Safety Cue

An immediate fall, structural, or storm-damage hazard is possible.

⛑

Field Safety Cue

Practical access safety: ladder placement, exclusion zones, and weather limits.

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Code Alert

Roof-walking authorization, fall-protection requirements, and inspection scope vary. Verify before proceeding.

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Manufacturer Cue

Follow product-specific instructions for roofing, gutter, and downspout materials encountered during inspection.

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Documentation Cue

Guidance on recording, labeling, and separating observation from interpretation for roof-drainage findings.

Job Overview

This project qualifies you to inspect one residential roof-drainage system — roof covering, flashing, gutters, downspouts, and discharge — entirely from safe observation points, and to produce a dated record identifying visible defects and water-management deficiencies. The finished work product is a written, photograph-supported roof-water-management inspection record tied to the property's ongoing maintenance log.

You will confirm whether roof walking is authorized for this property, select safe ground, window, balcony, ladder, or remote observation points, photograph each roof plane and drainage component, trace water from the roof surface through the gutters and downspouts to its final discharge point, and correlate what you find with interior evidence and foundation exposure. You will not walk an unsafe roof, remove roofing material, or diagnose remaining roof life from appearance alone.

This project builds directly on the baseline route and documentation method established in Chapter 1 and the property record organized in Chapter 2. It supplies the roof-drainage evidence that Chapter 5 (siding, trim, and flashing), Chapter 6 (foundation and grading), and Chapter 9 (interior finishes) depend on when correlating water-management conditions across the whole building. Chapter 4 returns to this same system to perform approved cleaning and minor maintenance.

Skills You Will Demonstrate

  • MI-013 — Inspect the roof surface from safe locations without climbing an unauthorized or unsafe roof.
  • MI-014 — Inspect gutters for debris, damage, slope, and attachment condition.
  • MI-015 — Inspect downspouts for damage, blockage, and connection to an approved discharge path.
  • MI-016 — Identify drainage defects at the roof, gutter, downspout, and discharge point.
  • MI-017 — Verify discharge is directed away from the structure and does not create erosion, ponding, or hazard.
  • MI-018 — Document roof-water issues by location, condition, priority, photograph, and recommended action.

Where This Skill Fits

Chapter 1 established the fixed inspection route, the finding-identifier system, and the observation-versus-interpretation discipline this project uses throughout. Chapter 2 gave you the property binder where this inspection's findings and photographs are filed. This project is the first system-specific inspection in the book, and it deliberately starts at the top of the water-management system — the roof — because the universal master instructions require water management to be inspected from the roof and site down before interior stains are treated as isolated finish defects.

The roof-drainage record you produce here directly controls the scope of Chapter 4's approved gutter and downspout maintenance. It also supplies the roof-source evidence that Chapter 5's siding and flashing inspection, Chapter 6's foundation and grading inspection, and Chapter 9's interior finish inspection must correlate against before assigning a suspected water source.

Scope and Intended Use

This project covers:

  • reviewing roof age, covering type, prior leaks, repairs, warranties, and recent weather before inspection
  • confirming whether roof walking is excluded or separately authorized for this property
  • selecting safe ground, window, balcony, ladder, camera-pole, or binocular observation points
  • photographing every roof plane, eave, rake, valley, penetration, chimney, gutter run, downspout, and discharge point visible from safe locations
  • identifying visible roof-covering, flashing, gutter, and downspout defects without assigning remaining service life from appearance
  • tracing each downspout to its discharge point and verifying discharge is directed away from the foundation
  • correlating exterior roof findings with interior ceiling and upper-wall evidence, labeled as unconfirmed until verified
  • producing one roof-water-management inspection record with location, observation, priority, photograph, and recommended action for every finding

This project does not authorize the learner to:

  • walk a roof that is wet, icy, snow-covered, brittle, damaged, steep, contaminated, or outside an approved fall-protection plan
  • remove roofing material, flashing, or gutter guards beyond the manufacturer-approved procedure covered in Chapter 4
  • assign a remaining roof-service-life estimate, a structural diagnosis, or a code-compliance conclusion from visual appearance alone
  • perform an invasive moisture investigation, cut into a roof assembly, or alter roof ventilation, drainage, or flashing design

Any active leakage, loose overhead material, blocked primary drainage, unsafe chimney component, or major storm damage must be treated as an immediate condition and referred per the Critical Safety Cue in this chapter before the routine inspection continues.

Reference Conventions

Establish these references before the inspection begins, and do not change them mid-inspection.

TermDefinition
Roof planeOne continuous sloped or flat roof surface bounded by a ridge, hip, valley, eave, rake, or wall intersection
Safe observation pointA ground, window, balcony, ladder, camera-pole, binocular, or other approved remote position from which the roof is viewed without unauthorized roof walking
Discharge pointThe location where downspout, splash block, extension, or underground drain releases water away from the building
Suspected source, unconfirmedA label applied to any interior staining or moisture evidence correlated with a roof or gutter finding until the connection is verified
Priority categoryOne of: immediate hazard, active failure, short-term repair, recurring maintenance, monitoring item, capital replacement, or cosmetic preference
LimitationA roof area, gutter run, or downspout segment that was inaccessible, concealed, obstructed, unsafe, or outside the approved scope

Scope and Access Record

Before beginning exterior observation, record the following directly on the Roof-Drainage Inspection worksheet:

Property address: ______________________     Roof age, if known: ______________________

Roof covering type: ______________________     Is roof walking authorized for this property: ______ (Yes/No)

Date: ____________     Time started: ____________     Weather: ____________     Recent precipitation: ____________

Inspector name: ____________

Prerequisites

Common Field Fundamentals

Every roof-drainage inspection in this book follows the same sequence: confirm access authorization and weather, observe from safe points only, trace water from roof to final discharge, correlate with interior evidence without assigning unconfirmed cause, and record limitations. Learning that sequence here, at the whole-roof-system level, means Chapter 4's cleaning and maintenance work and Chapter 6's foundation-drainage inspection both start from the same vocabulary and route.

Roof covering and flashingRoof planes, ridges, hips, valleys, penetrations, chimneys, and roof-wall intersections
GuttersDebris, corrosion, slope, joints, hangers, and overflow evidence
Downspouts and dischargeSections, straps, blockage evidence, and traced discharge points
Interior correlationExterior walls, soffits, fascia, ceilings, and upper-room finishes for related staining
DocumentationFinding identifiers, priority category, photo reference, and limitations for every roof plane and elevation
CloseoutReferral of roofing, flashing, structural, chimney, or high-access concerns before the inspection is filed

Observation Versus Interpretation

Record what is visible from a safe observation point. Do not assign a remaining roof-service-life estimate, a structural conclusion, or a confirmed leak source unless it comes from an identified prior report or a qualified professional. "Curled shingle tabs visible at the southwest roof plane" is an observation. "This roof has five years of life left" is an interpretation and must not be recorded as fact.

MI-013 – MI-018

Inspection / Documentation Qualification

Roof, Gutter, and Downspout Water-Discharge Inspection

Difficulty: Beginner

Estimated Time: 2–4 hours

Estimated Cost: $0–$60

Finished Work: One dated roof-water-management inspection record with photographs, limitations, and referrals

A. Finished-Project Specification

Scope: one complete, non-invasive inspection of one accessible residential roof-drainage system, covering roof covering, flashing, gutters, downspouts, and discharge, performed entirely from safe observation points, producing one roof-drainage inspection record.

B. Inspection Route Schedule

SegmentAreas CoveredPrimary Purpose
Preparation and access reviewRoof age, covering type, prior leaks, repairs, warranties, drainage plan, weather, and roof-walking authorizationConfirm the inspection can proceed safely and within scope
Roof planes and penetrationsRoof planes, eaves, rakes, valleys, ridges, hips, chimneys, skylights, vents, and plumbing stacksIdentify visible roof-covering and flashing defects
GuttersDebris, corrosion, holes, joints, sag, slope, hangers, and overflow evidenceIdentify gutter conditions affecting water capture
Downspouts and dischargeSections, seams, straps, blockage evidence, and traced discharge pointsVerify water is carried away from the structure
Interior correlationExterior walls, soffits, fascia, ceilings, and upper-room finishesIdentify related staining or moisture evidence, labeled unconfirmed

C. Records and Reference Takeoff

  • Records to collect before entry: roof age, covering type, number of roof areas, prior leaks, repairs, warranties, drainage plan, and recent weather.
  • Roof-Drainage Inspection worksheet: one copy, used to record every finding, limitation, and referral generated by this inspection.
  • Photograph index: maintained alongside the worksheet, linking each finding identifier to its overview and close photograph.

D. Acceptance Standards

CheckStandard
Access authorizationRoof-walking authorization is confirmed in writing before any elevated observation, and no roof is walked without it
Route coverageEvery roof plane, gutter run, and downspout visible from a safe observation point is inspected and photographed
Finding completenessEvery recorded finding has a unique identifier, location, observed condition, priority category, recommended next action, and photo reference
Discharge verificationEvery traced downspout's discharge point is recorded as directed away from the foundation or flagged as a defect
Observation/interpretation separationNo finding states a remaining service-life estimate, structural diagnosis, or confirmed leak source not supported by a prior report or qualified professional
Limitations recordedEvery inaccessible, concealed, obstructed, unsafe, or excluded roof area is listed, with no statement that it is satisfactory
Immediate-hazard handlingAny immediate roof, chimney, or drainage hazard is referred to the appropriate qualified professional before the inspection is filed

E. Preparation — Records, Weather, and Access Planning

  1. Review available roof and drainage records. Record roof age if known, covering type, slope, number of roof areas, prior leaks, repairs, warranties, drainage plan, and recent weather.
  2. Confirm the inspection scope and roof-walking authorization. Record whether roof walking is excluded or separately authorized for this property before proceeding.
  3. Check weather and site conditions. Record wind, precipitation, temperature, lightning, roof-surface condition, and daylight before beginning exterior observation.
  4. Select safe observation points. Choose ground, window, balcony, ladder, camera-pole, binocular, or other approved remote observation points for the property's roof configuration.
  5. Establish exclusion zones. Set up public and ladder exclusion zones wherever elevated access is used for observation.
  6. Confirm the roof is not accessed under unsafe conditions. Do not access a roof that is wet, icy, snow-covered, brittle, damaged, steep, contaminated, or outside the approved fall-protection plan.

F. Roof Plane and Penetration Inspection

  1. Photograph each roof plane and drainage component. Capture every roof plane, eave, rake, valley, penetration, chimney, wall intersection, gutter run, downspout, and discharge point visible from safe locations.
  2. Identify the roof covering material and pattern. Record the visible installation pattern without assigning remaining service life solely from appearance.
  3. Inspect the roof surface for visible defects. Note missing, displaced, cracked, curled, blistered, punctured, worn, or debris-covered roofing.
  4. Inspect ridges, hips, valleys, and penetrations. Cover visible ridges, hips, valleys, eaves, rakes, roof-wall intersections, chimneys, skylights, vents, plumbing stacks, and other penetrations.
  5. Identify flashing and fastener defects. Note exposed fasteners, failed sealant, loose flashing, damaged boots, open joints, corrosion, staining, biological growth, and temporary patches.

G. Gutter, Downspout, and Discharge Inspection

  1. Inspect gutters from a safe location. Note debris, vegetation, standing water, corrosion, holes, loose joints, sag, poor slope, detached hangers, and overflow evidence, along with gutter attachment and fascia condition.
  2. Inspect downspouts. Note missing sections, open seams, crushed areas, loose straps, blockage evidence, reverse slope, and disconnected underground drains.
  3. Trace each downspout to its discharge point where accessible. Follow the visible path from downspout outlet to final discharge.
  4. Verify discharge direction. Confirm discharge is directed through an approved path away from the foundation and does not create erosion, icing, ponding, neighbor impacts, or walkway hazards.
  5. Inspect discharge components. Check splash blocks, extensions, leaders, underground connections, catch basins, and outlets for position and visible function.

H. Correlation, Referral, and Documentation

  1. Correlate exterior evidence with interior finishes. Inspect exterior walls, soffits, fascia, ceilings, attic access areas, and upper-room finishes for related staining or moisture evidence, labeling any suspected roof source as unconfirmed until verified.
  2. Identify immediate conditions. Note active leakage, loose overhead material, blocked primary drainage, unsafe chimney components, or major storm damage as immediate referral conditions.
  3. Refer conditions beyond this chapter's scope. Direct roofing, flashing, structural, chimney, electrical, or high-access concerns to the appropriate qualified professional.
  4. Record every finding. Note roof plane or elevation, component, observed condition, priority, photograph, and next action for each finding.

I. Closeout and Recordkeeping

  1. Record inaccessible or concealed roof areas and observation limitations.
  2. Update the property maintenance log. Include inspection date, weather, findings, referrals, and recommended reinspection condition.
  3. File the completed inspection. Store the roof-drainage inspection record, photographs, and any immediate-hazard notifications in the property record established in Chapter 2.

Common Roof-Drainage Inspection

Review every finding using the same checks regardless of which segment of the route it came from.

Complete the Roof-Drainage Inspection worksheet in the Inspection Checklist section below before beginning Project 04.

Image Placeholder
Recommended image: a full roof plane photographed from a safe ground-level position before close inspection begins.
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Recommended image: an inspector using binoculars from grade level to view a chimney and valley flashing.
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Recommended image: an overview photograph and a matching close photograph of a gutter defect, labeled with the same identifier.
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Recommended image: a downspout traced from outlet to a splash block or extension, showing the final discharge point.
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Recommended image: a completed Roof-Drainage Inspection worksheet entry showing identifier, location, observation, priority, and photo reference.

Failure Points and Troubleshooting

Cleanup

This project ends with a filed record, not a set of loose notes.

Field Terms

Roof Plane
One continuous sloped or flat roof surface bounded by a ridge, hip, valley, eave, rake, or wall intersection.
Safe Observation Point
A ground, window, balcony, ladder, camera-pole, binocular, or other approved remote position from which the roof is viewed without unauthorized roof walking.
Flashing
Material installed at roof penetrations, valleys, and wall intersections to direct water away from a joint.
Discharge Point
The location where a downspout, splash block, extension, or underground drain releases water away from the building.
Suspected Source, Unconfirmed
A label applied to interior staining or moisture evidence correlated with a roof or gutter finding until the connection is verified.
Priority Category
The classification of a finding as immediate hazard, active failure, short-term repair, recurring maintenance, monitoring item, capital replacement, or cosmetic preference.
Limitation
A roof area, gutter run, or downspout segment that was inaccessible, concealed, obstructed, unsafe, or outside the approved scope.
Overview Photograph
A wide photograph establishing the location and context of a finding before a close photograph is taken.
Close Photograph
A detailed photograph of a specific finding, including a scale reference where useful.
Roof-Drainage Inspection Record
The single dated document recording every roof, gutter, downspout, and discharge finding, limitation, and referral from this inspection.

Skill Check

  1. Under what conditions is roof walking authorized during this project, and what must be confirmed before any elevated observation begins?
  2. Why must a roof-covering finding describe only what is visible, rather than assigning a remaining service life or structural conclusion?
  3. What is the required sequence for tracing water from the roof surface to its final discharge point?
  4. What must the inspector do immediately upon encountering active leakage, loose overhead material, blocked primary drainage, or an unsafe chimney component?
  5. Why must interior staining correlated with a roof finding be labeled "suspected source, unconfirmed" rather than stated as a confirmed cause?
  6. What conditions make a roof unsafe to access, even where roof walking is otherwise authorized for the property?
  7. Why must an overview photograph and a close photograph both be taken for a significant roof, gutter, or downspout finding?
  8. What five pieces of information must every entry in the roof-drainage inspection record include?
  9. Why must an inaccessible or concealed roof area be recorded as a limitation rather than marked as satisfactory?
  10. Why does this chapter require discharge points to be verified as directed away from the foundation rather than assumed from the downspout's presence alone?

Competency Rubric

CompetencyIndependent Pass StandardNot DemonstratedWith AssistanceIndependently
MI-013Inspects the roof surface entirely from safe observation points, without climbing an unauthorized or unsafe roof
MI-014Inspects gutters for debris, damage, slope, and attachment condition and records findings by location
MI-015Inspects downspouts for damage and blockage and traces each to its visible discharge connection
MI-016Identifies drainage defects at the roof, gutter, downspout, and discharge point as observed conditions
MI-017Verifies discharge is directed away from the structure and does not create erosion, ponding, or hazard
MI-018Documents roof-water issues with location, condition, priority, photograph, and recommended action for every finding

Mark one column per competency. Only Demonstrated Independently awards the competency; Demonstrated with Assistance authorizes additional supervised practice but does not complete the requirement.

Inspection Checklist — Roof-Drainage Inspection Worksheet

Finding IDRoof Plane / ComponentObserved ConditionPriorityRecommended Next ActionPhoto Ref.Status
001
002
003
004
005

Roof areas excluded or inaccessible: ____________________________________________________

Downspouts traced to a verified discharge point: ______ of ______     Discharge defects noted: ______ (Yes/No)

Roof-drainage inspection declared complete: ______ (Pass/Fail)     Date: ____________     Inspector name: ____________

Performance Check

With the inspection complete, review the finished roof-drainage inspection record against the Acceptance Standards table and confirm every roof plane, gutter run, and downspout visible from a safe observation point was inspected and photographed, every finding has a unique identifier, location, observed condition, priority category, recommended next action, and photo reference, no finding states an unsupported service-life or structural conclusion, every traced downspout's discharge point is recorded as directed away from the foundation or flagged as a defect, every inaccessible or excluded roof area is recorded as a limitation rather than assumed satisfactory, and any immediate roof hazard was referred to the appropriate qualified professional. Correct any incomplete entry before beginning Project 04.

Project Closeout

You have completed the third project in the property maintenance and building inspection sequence: inspecting the roof, gutters, downspouts, and water discharge. This project required you to inspect the roof surface from safe locations (MI-013), inspect gutters for debris and damage (MI-014), inspect downspouts and trace their connections (MI-015), identify drainage defects (MI-016), verify discharge direction away from the structure (MI-017), and document roof-water issues completely (MI-018).

You now have a dated roof-drainage inspection record that identifies visible roof, gutter, and downspout conditions, traces water to its final discharge point, and flags any interior evidence as unconfirmed until verified. This record carries directly into the next project: performing approved gutter and downspout cleaning and minor maintenance on the same system.

File your completed roof-drainage inspection record, photographs, and any referrals where they can be retrieved for Chapter 4. You will use these findings to define the exact scope of the approved gutter and downspout maintenance in that project.