Demo case study · South Gloucestershire business park
Commercial Warehouse Roof Upgrade, Phased Programme
- Client type
- Commercial landlord / facilities team
- Location
- South Gloucestershire business park
- Service
- Commercial Roofing
- Timeline
- 6 weeks, phased around trading hours
The challenge
A 2,400m² distribution unit had recurring leaks over racked stock, corroded fixings and degraded rooflights reducing daylight. The tenant could not close for works.
Recommended solution
A phased overlay programme with rooflight replacement and gutter lining, sequenced bay by bay so no area of the warehouse floor was out of service for more than a day.
Work completed
- Full condition survey with thermographic leak tracing
- Site-specific RAMS and permit-to-work coordination
- Bay-by-bay insulated overlay system installation
- Replacement of 46 degraded GRP rooflights
- Liquid-applied lining to 180 linear metres of valley gutter
- Installation of a permanent safety line system
Outcome
Demo outcome placeholder: zero trading downtime, leaks eliminated across the surveyed areas, improved daylight levels, and a costed five-year planned maintenance schedule handed to the facilities team.
Before and after

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