QA/QC  › Painting & Coatings  › Primer & Undercoat
Checklist · QC-PNT-CHK-002
Primer & Undercoat Application Checklist
17 checkpoints across 7 sections. During primer and undercoat application; quality gate before topcoat
17 Checkpoints
7 Sections
Daily during primer application; per 100m² minimum
QC Engineer, Painting Contractor

Checklist Preview

S.No.CheckpointIS RequirementStatus
A. MATERIAL VERIFICATION
A1Primer product approved: Type, grade, batch verified against specification; test cert available
Acceptance: Product cert available; batch within shelf-life; coverage rate verified from label
Cl. 302 — Material approval
A2Primer quality verified: Viscosity, adhesion, coverage rate per IS standard; storage conditions OK
Acceptance: Product undiluted (if specified); no lumps/sediment; color uniform; ready for use
Cl. 302 — Quality check
B. APPLICATION PREPARATION
B1Surface preparation complete: Surface clean, dry, defects filled, ready for primer
Acceptance: Surface prep sign-off available; moisture <10%; visual inspection confirms ready state
Cl. 302 — Prerequisite check
B2Weather conditions suitable: Ambient 10-35°C, humidity <85%, no rain forecast in next 24 hrs
Acceptance: Temperature logged; humidity confirmed; dry application conditions; rain protection available
Cl. 302 — Environmental conditions
B3Equipment ready: Brushes, rollers, trays clean; application tools in good condition
Acceptance: Tools clean, dry; bristles intact; roller nap 6-8mm for primer; no old paint residue
Cl. 302 — Tool readiness
C. PRIMER APPLICATION
C1Coverage rate verified: Primer coverage rate per label (typically 8-12 m²/liter); area×rate=quantity
Acceptance: Coverage rate documented; quantity per m² calculated; actual consumption logged
Cl. 302 — Material control
C2Primer applied uniformly: Full coverage, no thin spots, no missed areas; consistent color across surface
Acceptance: Visual inspection shows uniform color; straightedge test shows no bare spots; 100% coverage
Cl. 302 — Application control
C3Application thickness: Wet thickness 80-120 microns typical; dry film thickness 20-40 microns
Acceptance: Wet thickness measured immediately; DFT checked after drying per spec
Cl. 302 — Thickness control
C4Edges and corners adequately filled; no thick runs or sags; application technique adequate
Acceptance: No drips >2mm; corners filled; brush marks minimal; smooth finish
Cl. 302 — Quality application
Showing 9 of 17 checkpoints ·
A. MATERIAL VERIFICATION
A1Primer product approved: Type, grade, batch verified against specification; test cert available
Cl. 302 — Material approval (IS 2395)
Product cert available; batch within shelf-life; coverage rate verified from label
A2Primer quality verified: Viscosity, adhesion, coverage rate per IS standard; storage conditions OK
Cl. 302 — Quality check (IS 2395)
Product undiluted (if specified); no lumps/sediment; color uniform; ready for use
B. APPLICATION PREPARATION
B1Surface preparation complete: Surface clean, dry, defects filled, ready for primer
Cl. 302 — Prerequisite check (IS 2395)
Surface prep sign-off available; moisture <10%; visual inspection confirms ready state
B2Weather conditions suitable: Ambient 10-35°C, humidity <85%, no rain forecast in next 24 hrs
Cl. 302 — Environmental conditions (IS 2395)
Temperature logged; humidity confirmed; dry application conditions; rain protection available
B3Equipment ready: Brushes, rollers, trays clean; application tools in good condition
Cl. 302 — Tool readiness (IS 2395)
Tools clean, dry; bristles intact; roller nap 6-8mm for primer; no old paint residue
C. PRIMER APPLICATION
C1Coverage rate verified: Primer coverage rate per label (typically 8-12 m²/liter); area×rate=quantity
Cl. 302 — Material control (IS 2395)
Coverage rate documented; quantity per m² calculated; actual consumption logged
C2Primer applied uniformly: Full coverage, no thin spots, no missed areas; consistent color across surface
Cl. 302 — Application control (IS 2395)
Visual inspection shows uniform color; straightedge test shows no bare spots; 100% coverage
C3Application thickness: Wet thickness 80-120 microns typical; dry film thickness 20-40 microns
Cl. 302 — Thickness control (IS 2395)
Wet thickness measured immediately; DFT checked after drying per spec
C4Edges and corners adequately filled; no thick runs or sags; application technique adequate
Cl. 302 — Quality application (IS 2395)
No drips >2mm; corners filled; brush marks minimal; smooth finish
Showing 9 of 17 ·
Inspection Sign-Off
APPROVED
APPROVED WITH TOUCH-UP
REJECTED — RE-PRIME
Remarks
Name / Sign / Date
Inspected By
Name / Sign / Date
Reviewed By
Name / Sign / Date