A photo can describe a defect. It cannot confirm concealed conditions or the right repair method.
Describe the condition before choosing the method
| What you can observe | What to tell the contractor |
|---|---|
| An isolated impact | Approximate size, location, damaged edges and what caused it. |
| A recurring crack | Whether it has been repaired before and when it reappeared. |
| A wider damaged area | Rooms affected, previous removal and whether the damage continues out of view. |
| Staining or a leak history | When it occurred, whether the source was investigated and any assessment reports. |
| Loose or distorted material | Describe it from a safe position; arrange assessment rather than pressing or cutting it. |
The repair boundary may be wider than the hole
Ask how the contractor will establish a sound repair area and blend the transition into the existing wall. The quoted area should explain the relationship between the damaged section, replacement material if needed, and the surrounding finishing.
Where several defects occur on the same surface, compare a local repair approach with a more extensive scope. Ask what each option leaves in place, what it changes, and what uncertainty remains. There is no useful universal hole-size cutoff that decides every project.
Resolve moisture and movement questions first
A new surface treatment does not resolve a continuing leak. Health Canada advises resolving the moisture cause; CertainTeed also notes that moisture-resistant drywall can be damaged by flooding or persistent water exposure. Have the cause and material condition assessed before agreeing cosmetic work.
Source: Health Canada; CertainTeed
Agree what “matching” includes
Existing texture, several coats of paint and changes in light can make the handover more complicated than filling a hole. Ask whether the scope ends at a finished patch, includes a wider blend area, or continues through primer and paint.
- Photograph the whole wall as well as the damaged area.
- Mention a texture or decorative coating that needs to remain.
- Identify nearby corners and natural stopping points.
- Confirm who repaints and whether the whole wall or only the repaired area is included.
Record whether the opening follows permitted trade work
Surrey’s residential guidance distinguishes the building permit from plumbing and electrical permits. For an opening left by another trade, ask the project lead what work was authorised and which results are still outstanding before comparing repair methods. The size of the visible hole does not establish that the concealed-work process is complete.
Source: City of Surrey; City of Surrey
- Describe why the wall was opened and the trade responsible for the work inside it.
- Identify any assessed damaged board beyond the visible opening.
- Agree the release to repair, the surrounding blend area and the repainting boundary as separate items.
A few practical questions.
Can a recurring crack simply be filled again?
Describe the history and ask for assessment of the reason it returned before agreeing another cosmetic repair. The appropriate next step depends on the cause; this website cannot diagnose movement from a description.
Can photos establish a final repair price?
Photos may help an initial discussion, but hidden damage, access and the surrounding finish may still need inspection. Ask whether a figure is a preliminary allowance or an estimate tied to a defined assessed scope.
Sources & editorial context
- Guide to addressing moisture and mould indoorsHealth Canada · Checked October 24, 2026
- Mold and MoistureCertainTeed · Checked October 24, 2026
- Residential Building PermitsCity of Surrey · Checked October 24, 2026
- Building InspectionsCity of Surrey · Checked October 24, 2026
Technical references support the points linked above. The checklists and planning questions are editorial guidance, not a specification or an account of a contractor’s completed work.