ROOFING MEMBRANE INSTALLATION CHECKLIST

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--- PRE-INSTALLATION & SITE PREPARATION ---
[ ] Project Start Date
[ ] Project Site Location
[ ] Weather Conditions - Assessment (Clear, Partly Cloudy, Rain, Snow, Windy)
[ ] Wind Speed (mph)
[ ] Site Survey Notes
[ ] Existing Roof Condition (New, Good, Fair, Poor)
[ ] Site Photos (Pre-Installation)
[ ] Permits and Approvals Verified?

--- SUBSTRATE PREPARATION ---
[ ] Substrate Type Verified? (Concrete, Wood Sheathing, Metal Deck, Other (Specify))
[ ] Describe Substrate Condition (Dryness, Cleanliness)
[ ] Substrate Moisture Content (%)
[ ] Substrate Contaminants Present? (None, Dust, Debris, Oil/Grease, Existing Coating, Other (Specify))
[ ] Details of Contaminant Remediation (if applicable)
[ ] Surface Profile/Roughness Verified? (Yes, No)
[ ] Surface Profile Reading (mil/microns)
[ ] Notes on Substrate Preparation

--- MEMBRANE MATERIAL HANDLING & STORAGE ---
[ ] Ambient Temperature Upon Arrival (F)
[ ] Relative Humidity Upon Arrival (%)
[ ] Manufacturer's Storage Recommendations Followed? (Y/N)
[ ] Description of Storage Area Condition (Cleanliness, Shelving, etc.)
[ ] Storage Conditions Verified (Select all that apply) (Dry, Protected from Sunlight, Flat & Supported, Ventilated, Free from Obstructions)
[ ] Membrane Orientation (Rolls Stored Vertically or Horizontally) (Vertically, Horizontally)
[ ] Date Membrane Received
[ ] Lot Number Verified and Recorded?
[ ] Photo Documentation of Storage Conditions (Optional)

--- MEMBRANE INSTALLATION - UNROLLING & POSITIONING ---
[ ] Record Ambient and Substrate Temperature
[ ] Wind Speed (mph)
[ ] Membrane Orientation (Parallel/Perpendicular to Roof Slope) (Parallel, Perpendicular)
[ ] Note any obstructions or challenges encountered during unrolling.
[ ] Overlap Width (inches) - Verify per specification
[ ] Membrane Roll Condition (New/Damaged) (New, Damaged)
[ ] Describe any visible defects in membrane (e.g., wrinkles, tears).

--- MEMBRANE INSTALLATION - SEAMING & ADHERING ---
[ ] Seam Overlap (inches)
[ ] Seam Width (inches)
[ ] Seaming Method (Heat Welding, Cold Glue, Adhesive Bonding)
[ ] Welding Temperature (°F)
[ ] Welding Pressure (psi)
[ ] Welding Speed (inches/minute)
[ ] Seam Failure Indicators (Check all that apply) (Incomplete Weld, Delamination, Air Pockets, Burnt Membrane, Irregularity in Seam Width)
[ ] Notes on Seam Quality (Describe any deviations or issues)
[ ] Photograph of Representative Seam

--- PENETRATION & DETAIL FLASHING ---
[ ] Type of Penetration(s) Flashed? (Vents, Chimneys, Skylights, Pipes, Other (Specify in LONG_TEXT))
[ ] If 'Other' Penetration Type, specify:
[ ] Flashing Material Used: (Metal (Specify gauge in NUMBER), Membrane Extension, PVC, EPDM, Other (Specify in LONG_TEXT))
[ ] Metal Flashing Gauge (if applicable):
[ ] Describe detailing procedures around penetrations:
[ ] Was sealant used around penetrations? (if applicable) (Yes, No)
[ ] Sealant type and application details (if sealant used):
[ ] Upload photos of penetration flashing details.
[ ] Detailing adhered to manufacturer's specifications? (Yes, No, N/A)

--- QUALITY CONTROL & INSPECTION ---
[ ] Membrane Seam Overlap (inches)
[ ] Welding Temperature (°F)
[ ] Welding Pressure (PSI)
[ ] Seam Weld Appearance (Uniform and Continuous, Slightly Discolored, Significant Discoloration/Voids)
[ ] Substrate Conditions (Clean and Dry, Free of Debris, Proper Slope, Sound and Stable)
[ ] Notes on Weld Quality (if any issues)
[ ] Photos of Critical Seam Welds
[ ] Overall Membrane Installation Quality (Excellent, Good, Fair, Poor)
[ ] Date of Inspection

--- POST-INSTALLATION & CLEANUP ---
[ ] Detailed Description of Final Appearance & Condition
[ ] Debris Removal Verification (Check all that apply) (Loose Membrane Scraps, Packaging Materials, Tools, Fasteners, All Debris Removed)
[ ] Number of Debris Piles Removed
[ ] Notes on any Areas Requiring Further Attention (if any)
[ ] Date of Final Cleanup
[ ] Time of Final Cleanup
[ ] Contractor Signature (Confirmation of Completion)
[ ] Overall Job Satisfaction (Contractor) (Excellent, Good, Fair, Poor)

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