Interior White Paint
The everyday natural-resin interior white wall paint for residential and commercial fit-outs. Washable Class 3, vapour-permeable Class 1, solvent-free.
View product detailsMineral Surfaces · Solutions
Interior Walls
A fresh lime-plastered living room in a Bangalore apartment, a Mumbai bedroom with brass switch-plates and a Madhubani feature wall, a Pondicherry heritage reception with lime ceiling, a Goa coastal bathroom that lives in RH 95% for half the year — interior walls earn their life under cooking vapour, monsoon humidity, brass-fixture reflection, dhurri-rug dust, and the slow seasonal rhythm of an Indian household. The finishes documented for that reality are the LEINOS interior wall system — Natural Resin Emulsion Paint 660, Interior White Paint 650, Lime Brush Rendering 667 — backed by chemistry-matched primers (620, 621, 622), texture tools (683, 684) and protective Wall Wax 350.
InteriorThree-Layer System9 compatible products
- Breathable mineral coatings, vapour-permeable Class 1
- Moisture-handling chemistry per room reality
- Linseed-and-lime ingredient family, no chemical biocides
- Three chemistry families, picked by room not aesthetic
Find your application
Pick the substrate. We'll show what fits.
Comfort + tinted aesthetics — caned chairs, hand-loom rugs, brass fixtures, Madhubani art. Natural Resin Emulsion 660 (2 coats over Deep Sealer 620 primer) is the default for the modern Bangalore / Mumbai residential register, tintable via 668 pigment across the warm-earthy palette (sage, dusty terracotta, cream). Lime Brush Rendering 667 over Silicate Primer 621 for the breathable bedroom feature-wall heritage register. Optional Wall Wax 350 on the lower dado band in toddler bedrooms only.
9 compatible productsNatural Resin Emulsion Paint
Natural-resin emulsion wall paint for modern Indian interiors — washable Class 3, vapour-permeable Class 1, solvent-free. The natural-chemistry alternative to acrylic emulsion.
View product detailsMineral Plaster Primer
Water-based silicate primer that evens absorbency on interior mineral walls — lime plaster, cement, clay, brick, aerated concrete, gypsum board. The prep coat under LEINOS lime, silicate, and natural mineral paints.
View product detailsDeep Sealer
The water-based deep-penetrating primer for absorbent interior wall substrates — saponified shellac and natural-resin soap flow into the pore network, the wax phase binds substrate dust, the topcoat lays down at uniform thickness and colour register. Solvent-free, plasticiser-free, very low VOC.
View product detailsSystem & Substrates
Three chemistry families, one room at a time. Primer matched to paint.
For wet-zone anti-mould protocol see the Breathable Anti-Mould Systems route; for decorative-only effects see Decorative Mineral Finishes.
The Coating System
Primer plus topcoat — the full chain.
Topcoat Options
Choose the finish character; the primer underneath stays the same.
Long-term Care
Extends the life of the finish over the years.
How This System Works
1
Primer
OptionalSubstrate-control primer — Deep Sealer 620 (water-based acrylate dispersion) binds dusty fresh plaster and evens out absorbency before emulsion paints. Mineral Plaster Primer 622 (sand-textured silicate sealer) is the alternative on textured renders. 1 coat, dust-dry 4–6 h, recoat with paint after 12 h.
Deep SealerRecommended
Deep Sealer 620 — water-based acrylate dispersion primer for absorbent fresh plaster, gypsum board, and chalky old paint. Dilute 1:1 with water for the first coat on highly absorbent walls. Dry 4–6 h, paint over after 12 h.
Mineral Plaster PrimerAlternative
Mineral Plaster Primer 622 — sand-textured primer for textured renders and silicate stacks. Apply undiluted with brush or roller. Dry 6 h, recoat 12 h.
2
Base Coat
Wall paint — Natural Resin Emulsion 660 is the default for Bangalore and Mumbai residential walls (soft matte, vapour-permeable, tintable via 668 pigment, washable after 7 d). Interior White Paint 650 for clean white-only schemes. Lime Brush Rendering 667 for the breathable lime register on bedroom feature walls. 2 coats, recoat 4–6 h.
Natural Resin Emulsion PaintRecommended
Natural Resin Emulsion Paint 660 — hybrid water + plant-resin binder + mineral fillers. Soft matte, vapour-permeable, washable after 7 d cure. 2 coats, dry to touch 2–4 h, recoat 4–6 h, full cure 24–48 h. Tintable via Pigment Concentrate 668.
Interior White PaintAlternative
Interior White Paint 650 — white-only natural-resin emulsion for clean specifier schemes. Same chemistry family as 660, opaque white. 2 coats, dry 2–4 h, recoat 4–6 h.
Lime Brush RenderingAlternative
Lime Brush Rendering 667 — decorative lime coat for breathable bedroom feature walls. Soft chalky matte with natural cloudiness. Brush-applied, 1–2 thin coats, carbonation cure 7–14 d (21 d in monsoon RH).
× 2 coats
3
Top Coat
OptionalOptional protective wax finish for the lower dado band (skirting to chair-rail height) where slipper scuffs and toddler hand-prints concentrate. Skip on bedroom walls above hand-touch height — the matte paint reads cleaner without sheen.
Wall Wax FinishAlternative
Wall Wax Finish 350 — natural plant-wax topcoat over 660 emulsion. 1–2 thin coats over fully cured paint (7 d). Dry 6–8 h between coats. Adds soft sheen + wipe-resistance to the 1.2 m skirting band.
Step by Step
How to Apply
Assess substrate and Indian-season window
Confirm the wall substrate: fresh lime/gypsum plaster (≤6 weeks old, alkaline, absorbent), old painted wall, or skim-coated plasterboard. Pin-meter moisture below 14% across the wall — sample at 1 m height in 4 spots. Plan painting for the cool-dry window (Oct–Feb in most of India) when emulsion paints cure cleanly; in monsoon (Jul–Sep, RH 80–95% in Mumbai/Goa/Chennai) the recoat interval extends from 4–6 h to 8–12 h.
Mask hardware, remove brass switch-plates, lift dhurri rugs
Remove brass switch-plates, ceiling-fan downrod covers, and curtain rod brackets — brass tarnishes if Deep Sealer 620 splatters on it. Mask IPS floor edge with 25 mm painter's tape + 300 mm kraft paper drape. Lift dhurri rugs and woven mats clear. Cover charpoy and wooden chests with drop sheets — primer mist drifts further than expected.
Fill nail-holes, cracks, plaster repair
Brush down efflorescence (white salt bloom) from fresh plaster with a dry stiff brush — never wash, water re-mobilises salt. Fill nail-holes, dowel-marks, and hairline cracks with Interior Smoothing & Texturing Filler 684 (knife-applied, sand smooth after 4 h dry). For wider cracks (>2 mm) bridge with 50 mm fibreglass scrim tape under the filler. Sand the filled spots flush with P150–P180.
Apply Deep Sealer 620 on absorbent fresh plaster
Skip this step on previously-painted stable walls with sound emulsion (just clean with damp cloth). On fresh plaster, gypsum board, or chalky old paint: stir Deep Sealer 620 well. Dilute 1:1 with water for the first sealer coat on highly absorbent walls (Indian site-mixed lime plaster typically needs dilution). Apply 1 thin coat with 9-inch roller. Cut in corners with a 50 mm brush. Dry 4–6 h dust-dry, paint over after 12 h.
First coat of Natural Resin Emulsion 660
Stir 660 thoroughly — natural-resin emulsions settle in storage. For tinted shades, add Pigment Concentrate 668 (max 10% by volume) and stir 5 minutes. Apply with 9-inch roller in W-pattern then lay off vertically. Cut in around the ceiling line, switch plates, and skirting with a 50 mm brush. One full wall start-to-finish in one session — wet-edge breaks show as lap marks. Coverage 8–10 m²/litre.
Second coat after 4–6 h dry (8–12 h in monsoon)
Touch-dry test on a low-visibility corner — paint should feel cool but not tacky. Second coat using the same roller-and-brush sequence. The second coat is what gives the final colour density and the matte finish character. For Lime Brush Rendering 667 alternative: brush-apply in cross-hatch strokes, accept the natural cloudiness — this is the lime register's aesthetic, not a defect.
Cure 24–48 h before wall-hung art; 7 d before wash
Surface light-use ready 24–48 h after the second coat (slot brass switch-plates back, re-hang Madhubani art). Full wash-resistance develops after 7 d — wipe spills earlier with a dry cloth only. For Lime Brush Rendering 667 the carbonation cure extends to 7–14 d (21 d in monsoon RH 90%+) before the finish reaches full hardness.
Optional Wall Wax 350 dado band on high-touch wall
Skip on bedroom walls above hand-touch height. On living-room walls where slipper scuffs and toddler hand-prints concentrate (lower 1.2 m): after the paint has cured 7 d, apply Wall Wax Finish 350 with a lint-free cloth in thin even circles. Wait 6–8 h dry. Apply a second thin coat if a wipe-clean dado band is the brief. The wax adds soft sheen + wipe-resistance without changing the matte register above.
System Composition
- Substrate prep — pin-meter moisture check ( <14% on fresh plaster ), efflorescence brush-down, fill nail-holes and cracks with Interior Smoothing & Texturing Filler 684
- Optional primer — Deep Sealer 620 on absorbent fresh plaster or chalky old paint; 1:1 water dilution on highly absorbent walls
- Two coats wall paint — Natural Resin Emulsion 660 by default, recoat 4–6 h, full cure 24–48 h, washable after 7 d
- Optional dado-band wax — Wall Wax Finish 350 on the lower 1.2 m where slipper scuffs concentrate, over fully cured paint
Why It Works
- The 620 primer + 660 emulsion two-coat stack matches the LEINOS Natural Resin Emulsion Paint TDS and the Deep Sealer TDS — recoat interval 4–6 h cool-dry, extended to 8–12 h in monsoon humidity, full wash-resistance after 7 d. The vapour-permeable resin binder lets the wall breathe so monsoon damp behind the plaster vents through the paint film instead of trapping and lifting it.
- In Indian monsoon humidity (RH 80–95%, peaks in coastal Mumbai/Goa/Chennai July–September), Natural Resin Emulsion 660 cure window extends from 24–48 h to 48–72 h. Lime Brush Rendering 667 carbonation extends from 7–14 d to 21 d. Plan painting for the cool-dry window (Oct–Feb) when possible. If site schedule forces monsoon work, run dehumidifier or fans during cure.
- Bedroom mould in Indian homes is almost always a ventilation issue, not a paint failure. Natural Resin Emulsion 660 is vapour-permeable so the wall breathes, but if exhaust fans run less than 15 min/day and the room sees 85% RH overnight, mould will grow on any paint. Refer the deep-mould case to the Breathable Anti-Mould Systems route.
- Hardware-removal before painting (brass switch-plates, fan downrods, curtain brackets) is the single highest-impact prep step for the brass + matte combination. Tape-around-hardware shows brushmarks at the edge within 6 months; full removal and clean reinstall reads as specifier-grade for the life of the paint.
Pick the Right Build
Which build fits your surface?
Bangalore / Pune apartment living room — sage / cream / dusty terracotta
Standard residential living room with caned chairs, hand-loom rug, brass fixtures, plaster walls 3–6 months cured. Deep Sealer 620 (1 coat, diluted 1:1) → Natural Resin Emulsion 660 (2 coats) in a tinted shade via 668 pigment. Skip the wax — the soft matte reads cleaner without sheen.
Deep Sealer 620 + Natural Resin Emulsion 660 — 2 coats
Mumbai bedroom — breathable lime register on feature wall
Bedroom with one feature wall in Lime Brush Rendering 667 (chalky breathable lime), three walls in Natural Resin Emulsion 660 (tinted to match the lime tone). Primer 622 under 667 lime register. Carbonation cure on the lime wall: 7–14 d normal, 21 d during monsoon — don't mount art until cure is complete.
Mineral Plaster Primer 622 + Lime Brush Rendering 667 (feature) + Natural Resin Emulsion 660 (3 walls)
Children's play-area / toddler bedroom — wax-protected dado
Living-room dado band or toddler bedroom lower 1.2 m sees hand-prints, crayon, sippy-cup spills. Deep Sealer 620 + Natural Resin Emulsion 660 (2 coats, tinted) + Wall Wax Finish 350 (2 thin coats over fully cured paint) on the lower 1.2 m only. Wipe-clean band reads soft, not glossy — keeps the room's matte register.
Deep Sealer 620 + Natural Resin Emulsion 660 + Wall Wax Finish 350 (dado only)
What to Expect
- Surface light-use ready 24–48 h after the second paint coat (re-hang art, replace switch-plates). Full wash-resistance after 7 d cure (24 d in monsoon). Lime Brush Rendering 667 carbonation cure extends to 7–14 d normal / 21 d monsoon — full hardness develops slowly.
- Re-paint cycle on a daily-use residential wall: 5–7 years for Natural Resin Emulsion 660 in normal use, 4–5 years in coastal Mumbai/Chennai/Goa where salt-air UV reduces colour fastness. Lime Brush Rendering 667 wears as patina — refresh wash every 18–24 months with a thinned brush-coat.
- Tinted shades develop final colour density after the second coat dries fully. Slight colour shift between wet and dry is normal — always check colour on a dry test patch (300×300 mm) before committing the whole wall.
What to Avoid
- Not for bathrooms or other wet zones — see the bathrooms-wet-areas tab for the moisture-tolerant stack. Natural Resin Emulsion 660 alone does not hold up to direct splash or 6 h/day RH 95%+ exposure.
- Not for exterior walls — interior emulsion has no UV stabilisers. See Exterior Walls route.
- Not over PU paint, melamine, or oil-based gloss — strip back to bare plaster first. Natural Resin Emulsion needs an absorbent or chalky substrate to bond.
- Wall Wax Finish 350 cannot be applied over Lime Brush Rendering 667 — the wax blocks the lime's carbonation breathability. Wax only on 660 or 650 emulsion paints, never on lime.
Scope & Limits
Where this system applies.
This solution applies to interior mineral wall and ceiling surfaces inside Indian buildings — site-mixed lime plaster, cement-and-sand plaster, gypsum-board partitions, gypsum-skimmed concrete, masonry walls finished with skim coat, and similar mineral substrates inside the conditioned envelope of a home or office.
Requirements
- Before compatible products can be reviewed, the following must be confirmed:
- Substrate type — site-mixed lime plaster, cement plaster, gypsum board, gypsum-skimmed concrete, or sound old emulsion paint (NOT PU, melamine, oil-based gloss, or peeling/chalky failure)
- Substrate moisture content below 14% — measure with a pin meter at 1 m height in 4 spots; fresh plaster typically needs 4–6 weeks to drop below 14%
- No efflorescence — white salt bloom on fresh plaster brushed down dry; never washed (water re-mobilises the salt)
- For lime stack (667 + 621): substrate is alkaline (pH 10+) fresh lime plaster, NOT painted walls or fully carbonated old lime
- Room ventilation reality confirmed — exhaust fan operational in bathrooms and kitchens (paint chemistry does not substitute for ventilation)
Not compatible with
- This system does not apply to:
- PU paint, melamine, oil-based gloss, or sealed factory coatings — natural-resin emulsion and lime both need absorbent or chalky substrates to bond; strip back to bare plaster first
- Gypsum-board ceiling tiles in a modular grid — those are a separate product class; the mineral canon covers continuous plasterboard, lime plaster on lath, and concrete-slab skim coat
- Wood substrates (panelled walls, T&G cladding, wooden ceiling beams) — use the Interior Wood route; mineral coatings flake off non-absorbent wood
- Exterior walls, soffits, chajja undersides, balcony parapets — interior emulsion has no UV stabilisers and interior lime is not formulated for wind-driven rain; see the Exterior Walls / Exterior Mineral Facades routes
In the wild
Real surfaces. Real India.
Common Questions
Frequently Asked
- Pick by room reality, not aesthetic preference. Living rooms, bedrooms (dry, comfort-focused) → Natural Resin Emulsion 660 over Deep Sealer 620 primer; tinted via 668 for warm earthy schemes. Kitchens and dining (cooking vapour + wipe-clean) → same 660 stack + MANDATORY Wall Wax 350 on the splash zone. Bathrooms (moisture-tolerance + ventilation-paired) → Lime Brush Rendering 667 over Silicate Primer 621 (breathable mineral default) OR 660 + Wall Wax 350 outside the direct splash zone. Corridors and stairwells (high-traffic scuff) → 660 + MANDATORY Wall Wax 350 on the lower 1.2 m. Ceilings → Interior White Paint 650 spray-grade for modern apartments, Lime Brush Rendering 667 for heritage receptions. Each tab below shows the per-room stack in full.
- Natural Resin Emulsion 660 recoat extends from 4–6 h to 8–12 h, and full cure from 24–48 h to 48–72 h. Lime Brush Rendering 667 carbonation cure extends from 7–14 d to 21 d. The chemistry does not fail in monsoon humidity — it slows. Plan painting for the cool-dry window (Oct–Feb in most of India) when possible. If site schedule forces July–September work, run dehumidifier or fans during cure and accept the extended timeline. The Wall Wax 350 application window also extends: wait 14 d cure on 660 (vs 7 d normal) before applying wax in monsoon.
- Almost certainly no — Indian bathroom mould is a ventilation issue first, chemistry issue second. If the bathroom has no exhaust fan running 15+ min after each shower AND no window opening during shower, mould will grow on lime, on emulsion + wax, on silicate, on tile grout, on every surface. Lime Brush Rendering 667 self-defends against minor seasonal mould via alkaline pH 12+ chemistry, but it cannot rescue an unventilated closed-window apartment with 4 showers/day at RH 95%+. Before specifying any paint, confirm exhaust fan operation. If ventilation is the primary problem, refer to the Breathable Anti-Mould Systems route which couples the ventilation protocol with the paint chemistry — and consider whether the brief is HVAC, not paint.
- No — 667 needs an alkaline mineral substrate (fresh lime plaster, ≤6 months old, pH 10+) to carbonate and bond. Old painted walls (even old emulsion paint) are too neutral and too sealed; the lime coat will not bond and will dust off within 30 days. If the existing wall is sound emulsion, switch to Natural Resin Emulsion 660 over Deep Sealer 620 — both bond well to clean old emulsion. If the brief specifically requires the breathable lime register on an old wall, the wall needs to be stripped back to bare plaster and re-skimmed with fresh lime plaster first — that is a substrate-rework decision, not a paint decision.
- Natural Resin Emulsion 660 in normal residential use: 5–7 years inland (Bangalore, Pune), 3–5 years coastal (Mumbai, Goa, Chennai) where salt-air UV reduces colour fastness. Lime Brush Rendering 667 wears as patina rather than full failure: refresh-wash every 18–24 months (single thinned coat over existing lime), full re-coat 10+ years. Interior White Paint 650 ceilings: 7–10 years inland, 5–7 coastal. Wall Wax 350 dado/splash bands: refresh every 18 months (residential) to 12 months (commercial). Re-paint cycle does not require strip-back if the existing 660/650 paint is sound — clean, light scuff-sand P220, recoat. Lime needs no stripping ever — fresh lime bonds over carbonated lime indefinitely.
- No, the chemistry-bonding requirement is one-way. Lime needs alkaline mineral substrate; emulsion bonds to clean dry plaster or sound old emulsion. You can apply 660 over a stripped lime wall (sand back the carbonated lime, apply Deep Sealer 620, then 660 emulsion) — emulsion is the more tolerant chemistry. You cannot apply 667 lime over 660 emulsion; the lime will not bond and will dust off. Plan the chemistry family at the start of a room's life cycle. Mid-life chemistry changes are rare and require substrate rework, not just over-painting.
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