Roofing Membrane Installation Checklist
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This Template was installed 2 times.
Pre-Installation & Site Preparation
Tasks to be completed before membrane installation begins. This includes site assessment, substrate verification, and material staging.
Project Start Date
Project Site Location
Weather Conditions - Assessment
Wind Speed (mph)
Site Survey Notes
Existing Roof Condition
Site Photos (Pre-Installation)
Permits and Approvals Verified?
Substrate Preparation
Ensuring the underlying substrate is clean, dry, and properly prepared to receive the roofing membrane.
Substrate Type Verified?
Describe Substrate Condition (Dryness, Cleanliness)
Substrate Moisture Content (%)
Substrate Contaminants Present?
Details of Contaminant Remediation (if applicable)
Surface Profile/Roughness Verified?
Surface Profile Reading (mil/microns)
Notes on Substrate Preparation
Membrane Material Handling & Storage
Proper handling and storage procedures for the roofing membrane to prevent damage and degradation.
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)
Membrane Orientation (Rolls Stored Vertically or Horizontally)
Date Membrane Received
Lot Number Verified and Recorded?
Photo Documentation of Storage Conditions (Optional)
Membrane Installation - Unrolling & Positioning
Steps involved in safely unrolling, positioning, and aligning the membrane sheets.
Record Ambient and Substrate Temperature
Wind Speed (mph)
Membrane Orientation (Parallel/Perpendicular to Roof Slope)
Note any obstructions or challenges encountered during unrolling.
Overlap Width (inches) - Verify per specification
Membrane Roll Condition (New/Damaged)
Describe any visible defects in membrane (e.g., wrinkles, tears).
Membrane Installation - Seaming & Adhering
Detailed steps for properly seaming and adhering the membrane, including overlap specifications and weld quality.
Seam Overlap (inches)
Seam Width (inches)
Seaming Method
Welding Temperature (°F)
Welding Pressure (psi)
Welding Speed (inches/minute)
Seam Failure Indicators (Check all that apply)
Notes on Seam Quality (Describe any deviations or issues)
Photograph of Representative Seam
Penetration & Detail Flashing
Addressing roof penetrations (vents, chimneys, skylights) and detailing edges with appropriate flashing.
Type of Penetration(s) Flashed?
If 'Other' Penetration Type, specify:
Flashing Material Used:
Metal Flashing Gauge (if applicable):
Describe detailing procedures around penetrations:
Was sealant used around penetrations? (if applicable)
Sealant type and application details (if sealant used):
Upload photos of penetration flashing details.
Detailing adhered to manufacturer's specifications?
Quality Control & Inspection
Verification of workmanship and adherence to specifications. Includes visual inspections and testing.
Membrane Seam Overlap (inches)
Welding Temperature (°F)
Welding Pressure (PSI)
Seam Weld Appearance
Substrate Conditions
Notes on Weld Quality (if any issues)
Photos of Critical Seam Welds
Overall Membrane Installation Quality
Date of Inspection
Post-Installation & Cleanup
Final steps, including debris removal, surface cleaning, and documentation.
Detailed Description of Final Appearance & Condition
Debris Removal Verification (Check all that apply)
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)
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