Mains d'argile · Ecological Plaster

Clay and lime plastering

Natural interior insulation · Renovation and new build

Kimuli Ronald · Rochefort · Wallonia, Belgium

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Meet Kimuli

Ten years in general construction, then the choice of earth.

I worked for ten years in general construction. There I learned the trade of the building site, its demands and the value of work done properly.

I learned clay plastering from professionals who have been established for a long time. Today it is my trade: I plaster walls and ceilings by hand, in renovations as well as in new builds.

I live in Rochefort and I like to work close to home: a site followed closely is a site done with care.

10 yearsin general construction

Trainedby long-established clay professionals

RochefortWallonia, 1 h to 1 h 30 radius

« Accuracy is the number one rule. »

Kimuli does wonderful clay plastering work. Do not hesitate to contact him if you are looking for someone to do your walls in Belgium.Merel, on Instagram (translated from French)

Why clay

Clay plaster is a natural finish for interior walls and ceilings, made from clay, sand and plant fibres.

The air in your home

It absorbs excess moisture and releases it again when the air is dry, so the indoor atmosphere stays steadier and more comfortable.
No cement, no plastics, no added solvents or biocides.
It absorbs part of the cooking and everyday smells.
A simple mineral finish, appreciated by occupants who care about indoor air quality.

The material

Natural clays, all from Belgium, taken from long-established quarries that work cleanly.
Dried, not fired: very little energy to produce.
Repairable and reusable: an unstabilised clay can be re-wetted and reworked, or returned to the earth.
It pairs with natural insulation (hemp, wood fibre, reed, straw) for walls that breathe.

Comfort

It adds to the wall's thermal inertia and softens swings in the room's conditions.
A soft, matt surface that slightly reduces echo in a room.
A mineral, non-combustible material.
A scuff or a crack: dampen it, trowel it back, and the wall looks like new.

Where clay does not belong, lime.

Clay is made for dry interiors. For wet rooms and exterior walls, I offer lime plasters.

My services

Three skills, one standard: natural materials, applied by hand.

Bedroom under beams, walls plastered with clay

My core trade

Clay plastering

Body coat then finishing coat, on dry interior surfaces: walls, ceilings, window reveals, staircases, stoves and masses. Smooth or grainy finishes, in a palette of earth tones.

Wet rooms and exterior walls

Lime plastering

Where clay is not suitable, lime takes over: a mineral, durable material suited to damp conditions.

Straw bale wall in a living room under renovation

Ideal for renovation

Internal insulation

Bio-based or natural insulation: hemp blocks, wood fibre, reed, straw bales. The clay plaster then covers the insulation.

Each site is studied on the spot: organic-shaped walls, special openings, stoves. Everything is priced by quotation.

A site, step by step

From old brick to a finished wall.

Old brick wall, renovation, June 2026

The three layers

1 · Base layer

I prepare the wall and apply the first material: old brick, hemp block, timber frame or reed.

2 · First layer

It levels and fills. It dries naturally, without cement.

3 · Finishing layer

It gives the wall its colour, texture and softness.

Sites of 19 May 2026.

Projects

A selection of sites from 2025 and 2026.

Materials and values

Belgian earths, chosen with care.

All my clays come from Belgium, from long-established quarries that work well and cleanly. I choose them for their origin as much as for their quality.

Including