Used For

What Is Rhinolite Used For

Used For Avatar
Used For

What Is Rhinolite Used For? A Practical Guide for South African Projects

If you are planning interior plaster work in South Africa, you will quickly come across Rhinolite. Understanding what Rhinolite is used for, where it performs best, and how it compares with other plasters will help you choose the right finish for your project.

Below is a factual, web‑sourced overview based on credible South African suppliers, training material, and technical guides.

What Is Rhinolite?

Rhinolite is a gypsum‑based, lightweight finishing and basecoat plaster manufactured under the Gyproc brand (Saint‑Gobain). It is designed for internal applications and can be used on a variety of backgrounds.

  • The Snupit contractor directory describes Rhinolite as “a lightweight white, pre-mixed plaster supplied in powder form” that is suitable for internal use on brickwork, concrete soffits, and other backgrounds, and is applied in thin layers to provide a smooth finish ready for painting or decorating (Snupit – Rhinolite product description).

Because it is gypsum‑based and formulated for thin-coat application, Rhinolite is often used as an alternative to traditional sand‑cement plaster plus skim.

Main Uses: What Is Rhinolite Used For?

1. Smooth Internal Wall and Ceiling Finishes

Rhinolite is widely used to create a smooth, paint‑ready surface on interior walls and ceilings.

  • Building materials supplier Buco explains that its Gyproc RhinoLite multipurpose plaster is “ideal for all interior plastering” and can be applied to brickwork, concrete, and certain boards to achieve a smooth finish suitable for painting (Buco – Gyproc RhinoLite Multipurpose Plaster).

This makes Rhinolite popular in:

  • Residential homes (living rooms, bedrooms, passages)
  • Offices and commercial interiors
  • Schools, hospitals and institutional buildings where a clean, smooth finish is required

2. Basecoat or Finishing Coat Over Masonry and Concrete

Rhinolite is used both as a basecoat and as a finish over various types of backgrounds.

  • In a plastering training guide, South African training provider NWU Enterprise / LFP Training notes that Rhinolite can be applied as a finish over brickwork and concrete for internal surfaces and that it is designed to be used in thin layers on suitably prepared substrates (NWU Enterprise – Plastering training material PDF).

Typical internal backgrounds where Rhinolite is used include:

  • Plastered or prepared brick/block walls
  • Concrete soffits and beams (after proper preparation)
  • Certain cement-based undercoats designed to receive gypsum finishes

The key point is that it is used inside, as a finishing layer rather than a thick structural render.

3. Skimming and Re‑Plastering to Refurbish Interiors

Because it is a thin‑coat plaster that can produce a very smooth finish, Rhinolite is frequently used in refurbishment work:

  • The Snupit description of Rhinolite notes its suitability for “re-plastering and renovation work” on internal surfaces, where a thin finishing coat is required to smooth out uneven or imperfect substrates (Snupit – Rhinolite product description).

Typical refurbishment uses:

  • Skimming over old but sound plaster to refresh surfaces
  • Smoothing out patched areas after electrical or plumbing chases
  • Improving the finish on previously rough internal masonry

4. Interior Plastering Where Lightweight or Faster Workability Is Desired

Rhinolite is formulated as a lightweight pre-mixed powder; when properly mixed it is more workable and easier to spread than many site‑mixed sand‑cement plasters.

  • Supplier information from Buco indicates that Gyproc RhinoLite multipurpose plaster is a ready‑to‑use powder that, when mixed, provides good workability for internal plastering and can be applied in relatively thin coats while still achieving a smooth finish (Buco – Gyproc RhinoLite Multipurpose Plaster).

Because of this, tradespeople often use Rhinolite:

  • Where a fine finish is important (e.g. high‑end residential interiors)
  • When quicker application and finishing is desired compared with traditional sand‑cement plus a separate skim system
  • On ceilings, where weight and ease of trowelling are practical considerations

Where Rhinolite Should Not Be Used

Understanding what Rhinolite is not used for is just as important.

  • The plastering training guide from NWU Enterprise emphasises that gypsum plasters (including products like Rhinolite) are meant for interior applications and are not suitable for external walls or continuously damp areas (NWU Enterprise – Plastering training material PDF).

Based on that guidance, common restrictions are:

  • Not used for external facades or boundary walls
  • Not suitable for permanently wet areas or surfaces exposed to weather
  • Not used as a structural render where impact or moisture resistance is critical

For such applications, cement‑based plasters or specialised exterior systems are recommended instead.

Typical Application Thickness and Process

Rhinolite is designed for thin‑coat application compared with traditional thick sand‑cement plaster.

  • The Snupit product description notes that Rhinolite is applied in thin layers on internal surfaces to form a smooth finish, and that it is supplied as a pre‑mixed powder which is mixed with water on site and then trowelled onto the substrate (Snupit – Rhinolite product description).

While exact thickness and timing details depend on the specific Gyproc product variant and technical datasheet, the general process is:

  1. Prepare the background (clean, sound, suitably keyed or primed).
  2. Mix the powder with clean water to the manufacturer’s recommended consistency.
  3. Apply a thin coat with a steel trowel over the internal surface.
  4. Trowel and finish once the plaster has firmed up, producing a smooth, even surface ready to receive paint or other finishes.

Always refer to the latest product datasheet from Gyproc / Saint‑Gobain or the packaging for exact instructions; these are periodically updated.

Advantages of Using Rhinolite for Interior Work

Based on supplier and training information, the main reasons Rhinolite is used for internal plastering include:

How Rhinolite Fits into a Typical South African Interior System

In many South African buildings, the interior wall and ceiling build‑up looks like this:

  1. Masonry or concrete structure – brick, block, or concrete.
  2. Undercoat or base preparation – if required, a bonding or undercoat plaster appropriate to the background.
  3. Rhinolite thin‑coat plaster – as the final internal plaster layer, providing a smooth, even surface.
  4. Paint or decorative finish – once the Rhinolite has dried and been properly prepared.

Within this system, Rhinolite is used specifically as the internal finishing plaster, not as the primary structural or weather‑resisting layer.

Summary: What Is Rhinolite Used For?

Based on current information from South African suppliers and training resources:

If you are planning an interior project and asking “what is Rhinolite used for?”, the concise answer is:
it is used as a thin, smooth, interior finishing plaster over suitable internal backgrounds, providing a high‑quality surface ready for painting inside South African buildings.

Other Posts