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knowledge article

When Should a Flat Roof Be Replaced?

A flat roof should be considered for replacement when condition, repeated leakage, insulation or detailing makes further local repair unreliable or poor value.

Tell us what needs doing

What to check

  1. where water enters and where it appears internally.
  2. membrane, laps, outlets and upstands.
  3. deck and insulation condition.
  4. repair history and remaining roof life.

Plan the next decision

Compare a local repair, wider overlay and full replacement using investigation of the roof build-up. Moisture trapped below the visible surface can change the appropriate option.

Define the person who can authorise work, the access conditions and the outcome required. Where the subject affects safety, security or compliance, use the competent assessment and premises-specific information required for that system.

Records and follow-up

Keep the instruction, findings, action taken, completion evidence and any open recommendation with its owner and due date.

Questions to ask

What information should I provide?

Give the property, exact asset or area, symptoms or trigger, previous findings and current restrictions. Include relevant drawings, manuals or reports where available.

Does this guide set a universal maintenance interval?

No. The applicable duty, risk assessment, system design, recognised guidance, manufacturer instructions and actual condition determine the property-specific requirement.

What should completion information show?

It should identify the work or assessment performed, findings, results, defects and outstanding action clearly enough for the responsible person to decide what happens next.

Related work

Use the relevant commercial route, browse maintenance and contact the responsible business with the site-specific requirement.

Source

See current official guidance. Apply it to the actual premises and recheck current requirements before relying on time-sensitive details.

Next

Ready when you are

Tell us about the property.

Start with the repair, maintenance need or improvement you have in mind.

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