WATERPROOFING MEMBRANE INSTALLATION CHECKLIST

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--- PRE-INSTALLATION & SITE PREPARATION ---
[ ] Project Number
[ ] Scheduled Installation Date
[ ] Existing Conditions Report (describe site conditions)
[ ] Substrate Type (e.g., Concrete, Wood) (Concrete, Wood, Metal, Other)
[ ] Site Hazards Identified (check all that apply) (Uneven Surface, Sharp Objects, Standing Water, Vegetation, Proximity to Traffic, Environmental Concerns)
[ ] Surface Temperature (°C/°F)
[ ] Ambient Temperature (°C/°F)
[ ] Weather Conditions (Clear, Cloudy, Rain, Snow, Windy)
[ ] Description of any necessary surface repairs required

--- MATERIAL VERIFICATION & HANDLING ---
[ ] Membrane Type Verified? (PVC, TPO, EPDM, Bitumen, Other (Specify))
[ ] Batch Number(s) Verified
[ ] Membrane Manufacturing Details
[ ] Material Certificates
[ ] Storage Conditions Verified? (Yes, No)
[ ] Storage Condition Notes (if No)
[ ] Number of Rolls/Units Received

--- SUBSTRATE PREPARATION & PRIMING ---
[ ] Describe Existing Substrate Condition (e.g., concrete, wood, metal)
[ ] Substrate Cleaning Required? (Yes - Sweep/Vacuum, Yes - Pressure Wash, Yes - Chemical Cleaning, No - Clean Enough)
[ ] Substrate Moisture Content (%)
[ ] Note any repairs needed to the substrate (cracks, voids, delamination)
[ ] Substrate Repair Method (Concrete Patching, Wood Replacement, Metal Repair, Other (Specify))
[ ] If 'Other' selected in Substrate Repair Method, describe repair:
[ ] Primer Type (Primer A, Primer B, Primer C, As per Manufacturer's Recommendation)
[ ] Primer Application Rate (e.g., ft²/gallon)
[ ] Notes on Primer Application (e.g., weather conditions, dry time)

--- MEMBRANE INSTALLATION & OVERLAP ---
[ ] Sheet Temperature During Installation (minimum)
[ ] Ambient Temperature During Installation (minimum)
[ ] Membrane Orientation (roll direction) (Parallel to Roof Slope, Perpendicular to Roof Slope, As per Manufacturer's Recommendation)
[ ] Minimum Overlap Width (longitudinal)
[ ] Minimum Overlap Width (transverse)
[ ] Description of any deviations from manufacturer's overlap recommendations and justification
[ ] Methods used to secure membrane during installation (select all that apply) (Sandbags, Temporary Adhesive, Weighted Boards, Other (specify in LONG_TEXT))
[ ] Photo Evidence of Proper Overlap & Positioning (at least 2 photos)

--- SEAM WELDING / ADHERING (IF APPLICABLE) ---
[ ] Membrane Welding Method (If Applicable) (Hot Air Welding, Hot Wedge Welding, Open Flame Welding, Cold Bonding Adhesive)
[ ] Welding Temperature (if applicable)
[ ] Welding Pressure (if applicable)
[ ] Overlap Width (Welded Seams) - Minimum (inches/mm)
[ ] Adhesive Type (If Applicable) (Polyurethane, Acrylic, Epoxy, Other (Specify in LONG_TEXT))
[ ] Adhesive Manufacturer & Product Name (If Applicable)
[ ] Seam Inspection Criteria (Check all that apply) (Visual Inspection for Uniformity, Air Leak Test (Vacuum Box), Water Pressure Test, Adhesive Coverage, Proper Seam Fusion)
[ ] Upload Photos of Representative Welds/Adhesive Application

--- DETAILING & PENETRATION FLASHINGS ---
[ ] Penetration Type Identified? (Pipe, Vent, Duct, Chimney, Other)
[ ] Number of Penetrations Flashed
[ ] Flashing Material Used? (Membrane Material, Compatible Metal, Other (Specify in Long Text))
[ ] Details of 'Other' Flashing Material (if applicable)
[ ] Flashing Lap Over Membrane? (Yes, No)
[ ] Minimum Lap Length (inches)
[ ] Photo of Flashing Detail
[ ] Flashing Sealed at Perimeter? (Yes, No)
[ ] Any Deviations from Standard Flashing Details?

--- QUALITY CONTROL & TESTING ---
[ ] Wind Uplift Test Pressure (kPa)
[ ] Seam Strength Test Result (N/mm)
[ ] Visual Inspection - Membrane Defects Observed? (None, Wrinkles, Tears, Pinholes, Discoloration, Other (Specify in LONG_TEXT))
[ ] Details of Other Defects Observed (if applicable)
[ ] Water Pressure Test Pass/Fail (Pass, Fail)
[ ] Details of Water Pressure Test Failure (if applicable)
[ ] Date of Water Pressure Test
[ ] Upload Photos of Quality Control Checks
[ ] Inspector Name
[ ] Inspector Signature

--- POST-INSTALLATION & PROTECTION ---
[ ] Date of Final Inspection
[ ] Observations During Final Inspection (damage, potential issues)
[ ] Temperature During Final Inspection (degrees Celsius/Fahrenheit)
[ ] Protection Board Installed? (Yes, No)
[ ] Details Regarding Protection Board Installation (type, condition)
[ ] Photos of Installed Membrane and Protection (if applicable)
[ ] Client Sign-Off Received? (Yes, No)
[ ] Contractor Signature (acknowledging completion & protection)

--- END OF TEMPLATE ---
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