Interior Hardwax Oil
Hardwax oil for durable protection and finishing of interior wooden surfaces.
View product detailsWood Surfaces · Solutions
Interior Floors & Stairs
A teak plank floor in a Bengaluru living room, a Burma teak staircase in a Mumbai bungalow, a white-oak chevron parquet in a Pune designer apartment — interior walkable surfaces earn their life under continuous foot traffic, slipper-and-heel abrasion, the humidity swing between Indian summer (RH 30%) and monsoon (RH 80%+). The finish documented for that life is the LEINOS interior oil set — Hard Oil 240, Hardwax Oil 290, Hard Oil Universal 259, Hard Oil Clear 241 — picked by surface and traffic load, not by aesthetic preference.
InteriorSingle Layer4 compatible products
- Breathes through monsoon humidity (no joint cracking)
- Spot-repairable — no whole-floor refinishing
- Four oils, picked by surface and traffic concentration
- Linseed-based, vapour-permeable indoor environment
Find your application
Pick the substrate. We'll show what fits.
Solid and engineered hardwood floor boards across living rooms, bedrooms, halls. Teak, sheesham, Burma teak, mango — and occasionally pale woods (white oak, ash, maple, birch) in contemporary Indian apartments. Hard Oil 240 (2 coats wet-on-wet) is the default whole-floor pass; Hardwax Oil 290 wins on high-traffic concentration zones (entry hall, living-room circulation arc, dining-table zone). Hard Oil Clear 241 keeps the pale tone on white oak and ash. Sand P120–P150.
4 compatible productsHard Oil
Penetrating oil finish for absorbent interior surfaces
View product detailsHard Oil Universal
Versatile universal primer and topcoat for all interior wood types. Enhances natural wood structure with silky matte, durable, water-repellent finish.
View product detailsHard Oil Clear
Non-yellowing, durable primer and topcoat for unstressed interior wood surfaces, particularly in furniture manufacturing. Also suitable for cork and stoneware.
View product detailsSystem & Substrates
Four interior oils, one per surface. Two-oil staircases are normal.
For interior furniture context use LEINOS interior oils in the furniture canon (see Interior Furniture & Cabinets); for exterior decks use LEINOS 236 Terrace Wood Oil.
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.
Step by Step
How to Apply
Sand the whole floor P120 → P150
Sand the entire floor area edge-to-edge with a drum or belt sander in grain direction, P80 → P100 → P120 → P150 final pass. Hand-sand the perimeter strip (within 50 mm of the skirting) with an orbital — the drum cannot reach the wall. Strip any prior PU, lacquer, or factory pre-finish back to bare wood; oil only bonds to absorbent fibre.
Vacuum twice, tack-cloth
Vacuum the entire floor — every gap between boards, every dovetail seam, every skirting joint. Then vacuum a second time. Wipe with a slightly damp lint-free cloth. Indian construction dust is fine and persistent; one vacuum pass is not enough. Moisture content below 14% on the substrate — measure with a pin meter at 3+ spots across the room.
Pick the product — room traffic + species decides
For whole-floor pass across teak / sheesham / Burma teak: Hard Oil 240 (2 coats wet-on-wet). For high-traffic concentration zones (entry hall, dining-table arc, living-room circulation): Hardwax Oil 290 (2 coats). For tight commercial fit-out schedule that needs continuous progress: Hard Oil Universal 259 (3 thin coats, sealing roller, no intermediate sand). For pale-wood floors (white oak, ash, maple): Hard Oil Clear 241 (2 coats).
First coat — flood the field, work the perimeter
Stir the chosen oil thoroughly. Pour a thin bead across the floor and spread with a short-nap roller in the grain direction, working outward from the far wall toward the exit. Work the brush along the perimeter strip (within 100 mm of the skirting) — that strip absorbs more end-grain at every cut board. Maintain a wet edge across the whole field — never let one section dry before the next.
Wipe back excess after 20–30 min
After 20–30 min penetration, polish the entire floor surface dry with clean cotton terry pads on a buffer (or hand-cloth on small rooms) — no oil layer must remain. Pooled oil on a floor will stay tacky for weeks and trap dust. 240 dust-dry 10–12 h, walkable 16–24 h. 290 dry to touch 6–12 h, recoatable after 12 h. 259 dust-dry 6–8 h, foot-traffic safe 16–24 h. 241 dust-dry approx 8 h, foot-traffic 16–20 h.
Second coat (third coat for 259) and full cure
Apply a thinner second coat the same way. If micro-fuzz has raised on sheesham or mango, lightly de-nib P320 between coats — buffer a single pass, vacuum, tack-cloth, recoat. For 259 specifically: apply 3 thin coats total via sealing roller at 6–8 h intervals (no intermediate sanding). Foot-traffic ready after the walkable window per product. Full polymer cure 7–14 days — no rugs, furniture pads, or heavy furniture placement until cure completes.
System Composition
- Sanding to P120–P150 in grain direction across the whole floor — P150 the final pass to reduce visible scratch under raking daylight
- One interior oil from the set of 4 — selection driven by room traffic intensity and wood species
- Two coats wet-on-wet (240/290/241) OR three thin coats with sealing roller (259)
- Excess wipe after each coat — pooled oil on a floor will not cure and stays tacky
Why It Works
- Penetrating oil cures inside the wood fibre and moves with the boards across the Indian summer (RH 30%) → monsoon (RH 85%) humidity swing. A sealed lacquer film traps moisture under the board and cracks at the joint within 2–3 seasons of Indian climate.
- Spot-repair is the oiled-floor advantage: a worn entry-hall patch from years of slipper traffic sands lightly with P320 in that zone and re-oils with the same product — no whole-floor refinishing, no 48-hour displacement of the household.
- Foot-traffic load reality: a residential living-room floor sees ~50,000 passes/year on the main circulation arc. The 240+290 pairing matches that reality — penetrating chemistry across the field, micro-wax hardness where the foot-traffic concentrates.
Pick the Right Build
Which build fits your surface?
Default whole-floor pass (Indian warm hardwoods)
Sheesham, teak, Burma teak, mango. Two coats Hard Oil 240 with short-nap roller. P120 → P150 sand. Re-oil traffic zones every 12–18 months, perimeter every 3–5 years.
Hard Oil 240 — 2 coats
High-traffic concentration zone (entry hall, living-room arc, dining)
Hardwax Oil 290 — 2 coats. Micro-wax adds surface hardness against the daily slipper-and-foot wear that concentrates in the circulation arc.
Hardwax Oil 290 — 2 coats
Pale-wood floors (white oak, ash, maple, birch)
Hard Oil Clear 241 — 2 coats wet-on-wet. Safflower-based, non-yellowing. Keeps the design intent where a warm amber shift would change the room.
Hard Oil Clear 241 — 2 coats
Tight commercial / multi-room fit-out schedule
Hard Oil Universal 259 — 3 thin coats via sealing roller at 6–8 h intervals. No intermediate sanding. Lets a 3-coat system finish in a single 24-hour shift instead of staggering across multiple visits.
Hard Oil Universal 259 — 3 coats
What to Expect
- Floor walkable after the per-product window (240: 16–24 h, 290: post-recoat 12 h, 259: 16–24 h, 241: 16–20 h). Full polymer cure 7–14 days. No rugs, no furniture pads, no heavy placement during cure — the wax network on 290 and the linseed polymer on 240/241 need air to finish curing.
- Re-oil cycle on a daily-use living-room floor: traffic arc every 12–18 months, perimeter and bedroom every 3–5 years. The bead test diagnoses each zone — drip water on the board; if it beads the finish is intact, if the wood darkens that zone is due.
- Slight grain-darkening on coat one is normal and enhances figure on sheesham, mango, and Burma teak. The 241 finish on pale wood stays visibly cleaner — that is the safflower formula behaving as designed.
What to Avoid
- Not for factory-pre-finished engineered flooring (UV-cured PU top layer) — the sealed wear-layer will not absorb oil. The interior oil set applies to bare-wood floors only; pre-finished boards stay as the factory finished them.
- Standing water (spilled bucket during mopping, balcony overflow during monsoon) WILL leave a white ring on 290 and a darkened patch on 240 — wipe within minutes. Spot-repair after the fact: light P320 sand + re-oil locally.
- Not for outdoor / weather-exposed walkable surfaces — interior oils contain no UV stabilisers. For balcony decks, terraces, and exterior walkways use Terrace Wood Oil 236 or Teak Oil 223 (see Exterior Terraces & Decking).
Scope & Limits
Where this system applies.
This solution applies to interior wooden floors, parquet, staircases, landings, treads and risers, and other walkable hardwood surfaces inside buildings where foot traffic is the primary stressor.
Requirements
- Before compatible products can be reviewed, the following must be confirmed:
- Solid or engineered hardwood floor or stair substrate — teak, sheesham, Burma teak, mango, oak, ash, maple, birch, white-oak, larch, or similar absorbent species. Engineered flooring accepted only when the wear-layer is bare hardwood (NOT factory-pre-finished UV-cured PU)
- Board or tread thickness ≥ 18 mm for structural stability under foot traffic; stair treads ≥ 25 mm preferred
- Moisture content below 14% — measure with a pin moisture meter at 3+ spots across the room or at a representative tread
- No prior lacquer, varnish, polyurethane, melamine, or factory pre-finish residue — strip back to bare wood first; oil only bonds to absorbent fibre
- Surface prepared to P120–P150 (P150 the final pass; tighter prep on parquet, finer on riser visual surface, P120 on treads where micro-grip matters)
Not compatible with
- This system does not apply to:
- Exterior / weather-exposed walkable surfaces (balcony deck, terrace, garden walkway) — interior oils contain no UV stabilisers; use Terrace Wood Oil 236 or Teak Oil 223 (see Exterior Terraces & Decking)
- Furniture and cabinet surfaces — different wear pattern (hand-and-glass contact vs foot-traffic), the canon is in Interior Furniture & Cabinets with the 290-top / 240-frame split
- Mineral, silicate, concrete, or stone walkable surfaces — different substrate chemistry; use the mineral solutions catalogue
- Factory-pre-finished engineered flooring with UV-cured PU top layer — the sealed wear-layer will not absorb oil; strip back to bare wood first OR accept the factory finish as-is
In the wild
Real surfaces. Real India.
Dark-Stained Stair Treads with White Risers
Vadodara, Gujarat
View project
Turned Baluster Staircase with Golden Oak Finish
Mumbai, Maharashtra
View project
Grey-Stained Wood Floors and Walls with Fireplace
Hyderabad, Telangana
View project
Dark-Stained Larch Floor in Log Cabin Bedroom
Bengaluru, Karnataka
View project
Common Questions
Frequently Asked
- Pick by surface and traffic concentration, not aesthetic. Whole-floor pass across warm Indian hardwoods (teak, sheesham, Burma teak) → Hard Oil 240 (2 coats wet-on-wet) — deep penetration handles the field. High-traffic concentration zones inside the same room (entry hall, living-room circulation arc, dining-table area) or stair treads → Hardwax Oil 290 — micro-wax adds surface hardness against the foot-and-heel abrasion that concentrates there. Pale-wood floors and parquet (white oak chevron, ash, maple) where yellowing would change the design → Hard Oil Clear 241 — non-yellowing safflower formula. Multi-flight stair build or large commercial parquet install on a tight schedule → Hard Oil Universal 259 — 3 thin coats via sealing roller, foot-traffic safe 16–24 h. A single staircase often takes two products: 290 on the treads, 240 on the risers and stringers to match the adjacent floor.
- Stair treads carry every household pass concentrated to a narrow strip — heel-strike on the nosing, mid-foot on the tread, slipper-toe at the riser. ~5,000 passes per tread per year in a residential Indian home, and the nosing edge takes the highest mechanical load on the staircase. Hard Oil 240 penetrates deep but does not build surface hardness; the nosing edge strips within 12–18 months of barefoot family use. Hardwax Oil 290 has a micro-wax network that cures into a hardened surface layer (still penetrating, not a film) — the same chemistry that makes 290 the floor concentration-zone answer protects the stair tread at the same wear pattern. On the floor itself, the field is large and the wear is distributed, so 240 is the volume-economic default.
- Residential living-room floor: traffic arc (entry-to-sofa, sofa-to-kitchen) every 12–18 months, perimeter and corner zones every 3–5 years. Stair treads in daily family use: every 18–24 months (the nosing wears first); risers and stringers every 5+ years. Parquet: traffic arc every 12–18 months; the pattern joints rarely need attention. The bead test diagnoses each zone — drip water on the board or tread; if it beads the finish is intact, if the wood darkens that zone is due. Re-oil is a single light coat of the same product, sanded P320 over any worn patch, no full-floor stripping.
- Yes, for an install schedule that cannot accommodate overnight drying between coats. 259 is engineered for the sealing-roller method: 3 thin coats applied at 6–8 h intervals, no intermediate sanding required, foot-traffic ready 16–24 h after the third coat. This lets a multi-room floor + multi-flight stair install finish in a single 24-hour shift instead of staggering across multiple visits — a real schedule advantage on commercial fit-outs and model-home deadlines. Trade-off: 259 does not have the micro-wax surface-hardness story of 290, so high-traffic floor zones and stair-nosing edges may need a 290 top-coat over time (year 2–3). For straightforward residential floor installs where the schedule has overnight access, the 240+290 pairing is the canonical answer.
- Yes — linseed-based oils including Hard Oil 240 cause a gradual warm-amber shift on pale woods that intensifies over the first 12–24 months. On warm Indian hardwoods (teak, sheesham, mango) the shift reads as figure enhancement and is welcome. On white oak chevron, ash brick-bond, maple herringbone where the geometric design intent depends on the tone staying pale, the shift visibly changes the pattern reading. For these floors use Hard Oil Clear 241 instead — safflower-based, engineered to stay non-yellowing across the cure and life of the finish. Use 241 across the whole pattern for consistency.
- Factory-pre-finished engineered flooring carries a UV-cured polyurethane top layer applied at the factory under industrial conditions. The PU wear-layer is sealed — it does not absorb oil, and any oil applied over it pools, stays tacky, and does not bond. The interior oil set is designed for bare absorbent hardwood; that is where the chemistry works. If you have pre-finished engineered floors, two options: strip the PU wear-layer back to the bare hardwood beneath (requires drum-sander pass with P40 → P80 → P120, and only works on engineered floors with a ≥4 mm hardwood wear-layer above the plywood core), OR accept the factory finish as-is and use the LEINOS care set (Vegetable Soap 930) for maintenance.
Next step
Ready to see the 4 compatible products?
Move into the filtered catalogue, or jump back to surface choice if you're still scoping the project.
Adjacent applications
Related decision paths.
Need a Recommendation?
Talk to
Four ways to reach our India team — pick the one that fits how you work.