Dado Rail Profiles

A dado rail is a horizontal timber moulding fixed to the wall at roughly one-third of the wall’s height. The term comes from the classical architectural ‘dado’ – the lower portion of a wall – which is typically treated differently from the upper wall, with panelling, wainscoting, or a contrasting finish. Dado rails add architectural proportion, protect walls, and provide a natural division for two-tone colour schemes or wall panelling systems.

The standard formula is: wall height (floor to ceiling) divided by 5, then multiplied by 2. For a 2.4m ceiling, this gives approximately 960mm – place the rail within 100mm of this measurement. In rooms with higher ceilings, a higher rail creates better proportion; in rooms with lower ceilings, a lower rail avoids making the space feel compressed.

Use our dado rail height calculator and read the complete guide for more installation tips.

In Australia, the terms are used interchangeably – both refer to the same horizontal wall moulding. The distinction is largely historical: ‘dado rail’ comes from classical architecture and refers to the moulding that caps the lower wall zone; ‘chair rail‘ describes its practical function of protecting walls from furniture. Today, the same profile serves both purposes.

For Federation and Edwardian homes, look for profiles with ogee, bevelled, or stepped detailing – these reflect the decorative character of the era. Victorian interiors often feature more ornate profiles with pronounced moulding depth. Popular profiles for period interiors include Intrim CR280, CR22, and CR05 profiles.

Yes, dado rails are firmly back in style. Driven by a renewed appetite for architectural detail and heritage character, they are appearing across Federation and Edwardian restorations, Hamptons-style new builds, and contemporary interiors where two-tone wall treatments and wall panelling systems are among the most-searched design ideas in Australia.

Yes, in a traditional wainscoting treatment, the dado rail caps the panelling at the top of the dado zone, creating a clean visual transition between the panelled lower wall and the painted or wallpapered upper wall. Intrim’s inlay mould profiles are designed to work alongside dado rails to complete the full wall panel system. The combination is one of the most popular applications in both heritage restorations and contemporary Australian interiors.