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CHAS Advanced · NFRC · Reset Compliance 01 — BriefThe brief.
A main contractor building an extension to Normanby Primary School in Middlesbrough appointed Evenii to install the new flat roof to the extension. Evenii delivered the roofing as a subcontract package within the main contractor's wider build programme.
The school remained open throughout. The brief was to complete the roof in term time while keeping disruption to the operating school to a minimum — controlled access, safe separation from pupils and staff, and a roofing programme that fitted around the main contractor's sequence and the school day.
Middlesbrough sits within Evenii's Teesside service area, so the works were programmed as routine regional roofing for the education sector rather than a one-off commission.
02 — Specification and materialsA SIG-supplied built-up warm flat roof.
The specification was a built-up three-layer warm flat roof system, with all products supplied by SIG. A warm roof build-up places the insulation above the structural deck and below the waterproofing, keeping the deck warm and the insulation continuous across the extension.
The waterproofing was a SIG Signature torch-on system — a reinforced bituminous membrane installed in bonded layers to form a robust, fully supported covering suited to a school building with a long expected service life and low maintenance demand.
A three-layer build-up was specified for durability: the layers work together to give a resilient covering with redundancy in the waterproofing, appropriate for a public building roof that has to perform for decades with minimal intervention.
03 — Term-time delivery around an operating schoolWorking in term time, around the school day.
The roof was installed while Normanby Primary School was open and operating. Access, materials handling, hot-works management and the sequence of works were planned around the school's use of the site, with safe separation between the works and pupils and staff at all times.
A torch-on system involves hot works, so fire safety and the management of the working area were treated as defined controls, not afterthoughts — exclusion of the work zone, safe storage and the right precautions for installing a bituminous membrane on an occupied education site.
The roofing programme was coordinated with the main contractor so the extension stayed weathertight as the wider build progressed and the school day was disrupted as little as possible.
04 — Working to the main contractorDelivering as a roofing subcontractor.
Evenii delivered the roof as a subcontract package to the main contractor responsible for the extension. That meant working to the main contractor's programme, sequencing and site rules, and providing the roofing element as a controlled, dependable part of the wider construction project.
For a main contractor, a school extension roof has to land on programme and weathertight so following trades can proceed. Evenii's role was to take the roofing scope off the main contractor's critical path — the right system, installed correctly, handed over on time.
The works were completed on time and within budget, with the extension delivered watertight under a new warm flat roof.
05 — OutcomeOutcome.
The extension was handed over with a new built-up warm flat roof, installed term time around an operating school and completed on time and within the agreed budget.
Normanby Primary School continued to operate throughout the works, and the main contractor received the roofing element of the extension as a controlled, on-programme package.
For schools, academies, local authority property teams and main contractors considering Evenii for education-sector flat roofing on Teesside and across the Northeast, this project is a useful reference point — a built-up warm roof, installed in term time, delivered to a main contractor's programme.