Amogh N P
 In loving memory of Amogh N P — Architect · Designer · Visionary 
Quality Supervision

Painting Prep & Quality Checklist

The steps painters skip when no one is watching. 10 categories, 65+ checkpoints — prep, putty, primer, coats, enamel, external, ceilings, defects, and final QC.

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Audit Details

📦

Materials & Brand Verification

Paint brand and product

Brand as per agreement (Asian / Berger / Nerolac / Dulux / Jotun)

Product grade matches (premium / standard) — check shade card name

No substitution without written approval

Sealed containers

Cans are factory-sealed on arrival

Manufacturing date within 12 months

Batch numbers noted for uniformity

Putty and primer

Water-based putty (acrylic) or brand as per spec

Primer matches paint system (water- or solvent-based)

No generic unbranded putty

Solvent / thinner

Brand-approved thinner only

Correct ratio per data sheet (usually 30-40% for first coat, 15-20% for finish)

No excess dilution

Quantity estimate

Calculated from area × coats / coverage rate

Ordered enough for full project + 10% wastage

No running out mid-project

🧱

Surface Preparation

Wall moisture

Moisture meter reading < 12%

New plaster cured 28+ days

No active leaks or dampness

Surface cleaning

All dust, oil, loose paint removed

Fungus cleaned with fungicide wash

Wall brushed and wiped

Old paint removal

Peeling / flaking paint scraped fully

Chalking layer sanded

Glossy surfaces lightly sanded for key

Crack filling

Hairline cracks opened to V-groove

Filled with crack-filler / white cement slurry

Cured before putty

Masking and protection

Floor fully covered

Furniture moved to centre, sheeted

Switches, sockets, windows, frames taped

Door hardware removed or taped

🎯

Putty Application

Putty coats

Two coats minimum

Second coat applied after first is fully dry

24 hours minimum between coats

Sanding between coats

Fine grade sandpaper (320–400)

Smooth finish — no undulations

Dust wiped between coats

Finishing standard

Visual check under grazing light

No pinholes or trowel marks

No excessive filler build-up

Corners sharp and clean

Consumption control

Actual kg used recorded

Consumption reasonable — 0.8 to 1.2 kg/sqm for 2 coats

Not excessive to hide poor plaster

🖌️

Primer Coat

Correct primer

Water-based primer for interior emulsion

Solvent-based for enamel

Alkali-resistant primer for fresh plaster

Full coverage

Entire wall primed — no gaps

Thinned per manufacturer

Rolled / brushed uniformly

Drying time respected

Spot priming

Patch repairs primed before second putty

Stained areas stain-blocked

No bleed-through

Colour tint

Primer tinted toward final shade for deep colours

Reduces number of finish coats required

🎨

Emulsion Finish Coats

Number of coats

Minimum two finish coats

Three coats for deep / bright shades

Matches brand data sheet

Coat thickness and uniformity

No brush marks or roller lines

No lap marks at edges

Uniform sheen (matte / satin / silk)

No thin spots showing primer

Drying between coats

Minimum 4-6 hours (touch dry)

Recoat per data sheet

Not recoated on visibly wet paint

Shade uniformity

Same batch number across a wall

No visible colour variation between walls of same colour

Approved shade-card reference kept on site

Sheen and finish

Matte / satin / luxury emulsion as per spec

Consistent sheen — no dull patches

Cleanability as promised (washable)

Accent / feature walls

Colour matches approved render / moodboard

Clean transition line between colours

Texture finish (if any) applied as per sample

🚪

Enamel — Doors, Windows, Railings

Surface prep for enamel

Rust removed on metal

Wood sanded and dust-free

Knot sealer on wood knots

Old paint scraped where needed

Primer

Metal primer (red oxide / zinc chromate)

Wood primer (alkyd / enamel primer)

Both coats dried fully

Putty on wood

Wood filler used on grain / knots

Sanded smooth

No putty visible through final coat

Enamel coats

Two finish coats minimum

Proper brush / spray technique

No runs, sags, curtains

Uniform gloss (high / semi / satin as per spec)

Hardware masking

Hinges, locks, handles taped

No paint on polished hardware

Knobs replaced correctly after drying

🌤️

External / Weatherproof

Exterior product

Weatherproof emulsion as per spec (Apex / Weathercoat / Elastomeric)

UV and fungal protection

Not interior emulsion

Crack bridging

Elastomeric crack bridger on hairline cracks

Texture matches adjacent surface after

Waterproofing

Anti-carbonation / hydrophobic coat on exposed walls (if spec)

Separate data-sheet coverage

Not a substitute for external painting

Scaffolding safety

Proper scaffolding certified

Harnesses used

Tools secured

Weather conditions

No painting during rain or high humidity

Morning / late afternoon application

Not in direct sun if surface temperature > 50°C

🌫️

Ceiling & False Ceiling

RCC ceiling

Cracks at joint mesh-taped and compounded

Undulations levelled before paint

No sagging bulges

Gypsum board ceiling

Joints taped and compounded

Screw heads covered with compound

Two coats sanded before primer

Ceiling paint choice

Ceiling white or special ceiling paint (low-splatter)

Matte finish typically

Emulsion, not whitewash

Coat coverage

Primer + two coats minimum

Even roller pattern

No roll marks visible at grazing light

Cove and shadow gap

Inner cove painted if visible

Shadow gap painted dark matte (as per design)

LED strip area not painted over

⚠️

Defect Prevention

Bubbling / blistering

Moisture resolved before paint

No application on damp / hot surface

Primer and finish compatible

Peeling / flaking

Old paint fully removed at edges

Surface sanded for adhesion

Primer not skipped

Efflorescence / chalking

Fresh plaster primed with alkali-resistant primer

Existing chalking fully brushed off

Fungicidal wash if black patches

Brush / roller marks

Correct nap length for surface

Wet-on-wet technique used

Thinning per data sheet

Colour non-uniformity

Same brand mixing ratio followed

Batches mixed in single pot for one wall

Final coat applied wet on wet

Final QC & Handover

Grazing light inspection

Torch at acute angle at night

No pinholes, drips, roller tracks

Walls smooth to touch

Edge and cutting

Clean line at ceiling, corners, switches

No paint on ceiling / windows / frames

Switch plate area clean

Touch-ups

All snag areas addressed

Touch-up paint kept with owner for future

Brand and shade label on container

Site cleanup

Masking tape removed carefully

Floor cleaned — no spatter

Empty containers disposed / taken back

Brushes not washed in kitchen / bath drains

Warranty

Paint warranty (5/7/10 years as per product)

Applicator workmanship guarantee

Invoice and warranty card retained

Download Painting QC PDF

Share with painter before work begins. Most disputes come from unagreed shortcuts — this locks down the spec.