Project Overview
This scope covers flashing installation including roof flashing, wall flashing, window and door head flashing, and waterproofing transitions. Applicable to new construction, reroofing, and leak repair projects.
Typical Projects Include:
- Roof flashing at chimneys and walls
- Step flashing on sidewalls
- Window and door head flashing
- Kick-out flashing at roof-to-wall transitions
- Counter flashing on parapet walls
- Leak repair and reflashing
Scope of Work
Assessment & Prep
| Task | Description |
|---|---|
| Leak Investigation | Inspect existing flashing for failures, corrosion, or improper installation (for repair projects). |
| Material Selection | Determine flashing material — aluminum, copper, galvanized steel, or lead — based on application and aesthetics. |
| Removal | Remove failed flashing, sealant, and damaged material. Clean surfaces for new installation. |
| Surface Prep | Prep surfaces for new flashing — clean, dry, and free of debris. |
Installation
| Task | Description |
|---|---|
| Roof Flashing | Install step flashing, valley flashing, and counter flashing at all roof intersections. |
| Wall Flashing | Install through-wall flashing and weep holes at masonry-to-roof and masonry-to-window transitions. |
| Window & Door Flashing | Install head flashing, sill pan flashing, and jamb flashing per window manufacturer requirements. |
| Transition Details | Install kick-out flashing, diverter flashing, and other specialty details at complex intersections. |
Sealing & Closeout
| Task | Description |
|---|---|
| Sealant Application | Apply compatible sealant at flashing terminations and overlaps. Use backer rod where specified. |
| Integration Check | Verify flashing integrates properly with roofing, siding, and waterproofing layers. |
| Water Testing | Water test critical flashing details to verify waterproof performance (if specified). |
| Documentation | Photo-document all flashing details before they're covered by finish materials. |
Timeline & Milestones
Flashing work is typically quick — 1-3 days for most residential projects. It's the coordination with other trades that takes time.
| Phase | Duration | Description |
|---|---|---|
| Prep | 0.5-1 day | Investigation, removal, and surface prep. |
| Installation | 1-2 days | Flashing installation at all locations. |
| Sealing | 0.5 day | Sealant, testing, and documentation. |
Roles & Responsibilities
GC / Property Owner
- •Identify all flashing locations and requirements
- •Coordinate flashing with roofing and siding trades
- •Provide access to all work areas
- •Process payments per the agreed schedule
Flashing Contractor
- •Fabricate or supply all flashing materials
- •Install flashing per building code and best practices
- •Integrate flashing with the building envelope
- •Document all concealed flashing before cover-up
Materials & Equipment
Flashing Materials
- •Aluminum flashing
- •Copper flashing (for premium applications)
- •Galvanized steel flashing
- •Self-adhering membrane flashing
Sealants
- •Polyurethane sealant
- •Silicone sealant
- •Backer rod
- •Butyl tape
Tools
- •Metal brake for custom bending
- •Tin snips
- •Caulking gun
- •Hammer and roofing nails
Quality Control Standards
Proper Lapping
All flashing overlaps shed water correctly — upper pieces lap over lower pieces.
Material Compatibility
Flashing material is compatible with adjacent metals and materials to prevent galvanic corrosion.
Integration
Flashing integrates properly with roofing, siding, and waterproofing — no gaps in the weather barrier.
Safety Protocols
Roof Safety
Use fall protection when working on roofs. Follow OSHA requirements for roof work.
Sharp Edges
Cut metal flashing has very sharp edges. Wear cut-resistant gloves.
Ladder Safety
Use proper ladder setup with secure footing and three points of contact.
Project Documentation
- Signed contract and scope of work
- Flashing detail drawings
- Material specifications
- Photos of all installed flashing (before cover-up)
- Water test results (if performed)
- Warranty information
Financial Terms
Payment Structure
Flashing work is typically a short project billed as a lump sum or part of a larger roofing/siding scope.
Terms & Conditions
- •Payment due at completion for small jobs
- •Deposit and final for larger projects
- •Custom copper work is priced at a premium
- •Repair work is typically time and material
- •Change orders for additional flashing locations
Acceptance Criteria & Sign-Off
The project is considered complete when the following criteria are met:
- 1All flashing installed at specified locations
- 2Proper lapping and integration with adjacent materials
- 3Sealant applied at all terminations
- 4No visible gaps in the weather barrier
- 5Water test passed (if specified)
- 6Photo documentation provided
Frequently Asked Questions
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