Assess wall condition, moisture and finish expectations before rendering. Ask about substrate preparation, junctions, samples and the full project scope.
Rendering changes the wall finish, but it should not be used to conceal an unidentified moisture or movement problem. The existing substrate, coatings and exposure influence what is suitable. Before choosing a texture, ask the professional to assess the wall and explain the preparation and finish system. A photograph of another house cannot establish compatibility with your surface.
Describe the existing wall
Provide the construction information you know and any history of cracking, dampness or previous coating failure. Distinguish a new decorative treatment from a repair to a damaged wall. Take wider photographs showing corners, windows and adjoining surfaces. Do not chip away material to identify the substrate. Older or unknown coatings and sheets may require assessment before disturbance, particularly where asbestos or other hazardous material is possible.
Ask what must be resolved first
Recurring cracks or moisture can require investigation beyond the rendering trade. Ask which causes have been assessed and what work must precede the finish. Covering a crack does not prove the movement has stopped. The proposal should identify preparation assumptions and explain what happens if loose or unsuitable material is discovered. Avoid accepting a smooth final appearance as evidence that the underlying wall has been made sound.
Plan junctions and surrounding details
Discuss window and door edges, different materials, existing joints and the meeting with paving or garden areas. These details affect both appearance and the practical scope. Ask who coordinates related building repairs and whether fixtures need removal by another trade. Do not fill or bridge existing joints yourself to prepare the wall. The professional should explain the detailing appropriate to the selected system and the condition found on site.
Use a realistic finish sample
Texture and colour can look different across a large wall and under changing light. Ask whether a sample area or product sample is available and agree the intended finish before the full application. Clarify if painting or another protective coating is part of the system and quote. A display board helps set expectations but cannot promise that every existing irregularity will disappear under strong side lighting.
Agree access, protection and care
Ask who arranges safe access, protects windows and landscaping, removes waste and makes good adjacent finishes. Check property-specific permissions through the relevant council or building manager where required. Retain the specified products and care instructions, including any curing or re-entry advice. A complete rendering scope addresses substrate, detailing and maintenance rather than pricing only the visible square metres of a new surface.
For a property-specific discussion, contact our wall rendering team with the details you have gathered.