External Solid Wall Insulation Guide
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o3 Mini / AI Assistant
02/07/25, 14:04
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Scope of Works
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• Assess existing wall structure and condition
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• Prepare wall surface by cleaning and removing loose render
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• Install insulation boards securely to the external wall
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• Apply base coat, mesh reinforcement and final render
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Typical Cost
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Charge Type | Low ÂŁ | High ÂŁ | Notes |
|---|---|---|---|
Call-out / Minimum | ÂŁ150 | ÂŁ300 | Inspection and initial measurements |
Labour per hour | ÂŁ60 | ÂŁ80 | Skilled installation and finishing |
Materials | ÂŁ30 | ÂŁ50 | Insulation boards and renders |
TOTAL (average project) | ÂŁ800 | ÂŁ1,600 |
Time on Site
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Most external solid wall insulation installations take 1–3 days depending on property size and weather conditions. Extra time may be needed for detailed finishing or additional moisture management works.
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Questions to Ask Your Tradie
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• What insulation board density and thickness do you recommend for my property?
• How will you ensure effective drainage and vapour control behind the insulation?
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How to Avoid Surprises
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• Ensure access for scaffolding and clear any obstructions around the work area
• Confirm details on moisture management and warranty coverage before work commences
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