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Technical Information

The detail beneath the beauty.

Construction, formats, surfaces, installation and warranty — everything you need to specify a HARO floor.

Specification map

Start with the five decisions that shape a HARO floor.

The visible timber is only one part of the specification. Format, finish, installation method, documentation and warranty all need to work together — especially on architect-led homes and multi-trade projects.

01

Construction

Three-layer engineered timber with a solid spruce core for stability, real European oak at the surface and efficient use of the natural resource.

02

Formats

PLAZA, Plank 1-Strip, Longstrip, herringbone, parquet and special hand-finished formats for different scales of room and design intent.

03

Surfaces

naturaDur, permaDur and natural oil finishes, with smooth, brushed and structured textures to shape the way the floor feels underfoot.

04

Installation

Floating, fully bonded or ComforTec systems, with underfloor heating compatibility and clear site-condition requirements.

05

Documentation

Technical data, warranty, certification and article-specific product information available through our Australian team.

Construction

Most HARO floors are three-layer engineered timber: an approx. 3.5 mm wear layer of hand-graded European oak, bonded to a cross-stacked solid spruce core over a softwood backing veneer. Laying the middle layer crosswise reduces the natural movement of the wood by up to 70% — so the board stays flat and stable, season after season, where a solid board would swell and shrink. And because the oak wear layer is genuine and substantial, it can be sanded back several times over the floor's life.

Our parkettmanufaktur herringbone and strip parquet use a two-layer construction, just 10 mm thick with a ~3.5 mm oak top — a low build height that's ideal for renovations and always laid bonded.

Board formats

  • Plank 1-Strip PLAZA — extra-wide, 240 × 2200 mm.
  • Plank 1-Strip — the classic, 180 × 2200 mm.
  • Longstrip (3-strip) — a finer, traditional pattern, 180 × 2200 mm.
  • Herringbone, Carré & XL — hand-finished parkettmanufaktur formats, up to 4 m long.

Surfaces & finishes

Two things shape how a floor looks and feels: the finish (how it's sealed or oiled) and the structure (how the surface is textured).

Finish

  • naturaDur — a high-performance surface that combines the soft, natural feel of an oiled floor with hard-wearing protection against wear; matt, scratch- and stain-resistant, and easy to maintain. Also rated for contract use.
  • permaDur — a robust, high-performance lacquer for the busiest, high-traffic spaces.
  • naturaLin plus & oleovera — breathable natural oils that penetrate the wood for a genuinely matt, natural look and feel, and can be refreshed in place over the years.

Structure

  • Smooth — a velvety-matt, pleasantly even surface.
  • Brushed / Structured — the soft annual rings are brushed out to lift the grain for an authentic, tactile feel.
  • Alpine & Retro structured — a more pronounced, rustic texture that emphasises the natural growth and knots of the wood.

Wood character & grades

Grade describes how much natural character a floor shows — knots, colour variation and grain — not its quality. Every HARO board is made to the same standard; the grade simply sets the personality, from calm and uniform to lively and rustic.

  • Universal — a balanced mix with natural colour and grain movement; a lively, versatile look.
  • Markant — natural knots and grain for a classic, characterful floor.
  • Naturale — natural colour differences and knots; a warm, honest expression of oak.
  • Sauvage — the most expressive: larger knots, cracks and filled areas for a trend-rustic character.

Wood is a natural product — every plank is individual, so grade descriptions are a guide, not an exact specification.

Installation — three ways

  • Floating · Top Connect click — fast, glue-free and removable; the most popular method for 3-layer floors.
  • Full-surface bonding — glued with HARO's low-emission elastic adhesive for the quietest underfoot feel and best heat transfer over underfloor heating.
  • ComforTec self-adhesive — self-adhesive planks over HARO Primer: the quiet of a glued floor with the speed of a click install.

Underfloor heating

The entire HARO parquet range is suitable for modern underfloor heating and cooling. Bonded installation gives the best heat transfer — and because timber feels warm underfoot, you can typically run the system a degree or two cooler.

Warranty

HARO engineered floors carry a 30-year residential warranty (laminate 25 years), subject to correct installation and care.

Top Connect

Angle. Press. Finished.

HARO’s glue-free click system locks three-layer boards securely with no specialist joining tools.

Angle the HARO floorboard into the Top Connect joint
01

Angle

Engage the board along its long edge.

Press the end joint of a HARO Top Connect floorboard
02

Press

Align the end joint and press it down.

Completed HARO Top Connect floorboard joint
03

Finished

The accurately fitted joint is immediately ready.

Correct subfloor preparation, expansion clearances and installation conditions remain essential. For full bonding, complex rooms or project work, use an experienced timber-floor installer.
HARO engineered timber interior, detail
Built to last

Stability you can specify with confidence.

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