Alton Estate, Wandsworth

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Project Details

Type                     Flat Roofing

Duration             4 months

Manufacturer   Langley


Roofing Products:

Langley Waterproofing System Limited, comprising:

  • Bitumen Vapour Barrier – Parevapo SBS
  • Tapered Insulation – Parafoam Standard
  • Bitumen Underlay – Adepar JS
  • Mineral-Surfaced Bitumen Membrane – Parafor Solo GS
  • GRP Roof Edge Trim – Para Trim



The project involved the stripping up of the existing roof covering and the installation of a new waterproof covering (20 year guarantee) including tapered insulation and walkway tiles. The works also involved extensive concrete repairs and decorations to tank rooms and flues. A new, free-standing handrail and new metal doors to tank rooms were also installed together with the provision of new lightning protection.

The re-roofing of these 11 blocks of flats comprising 178 occupied properties was handed over to the London Borough of Wandsworth snag-free and 20 weeks early – half the original contracted time! To help save time, the Acclaim Contracts Team persuaded the Client to allow up to five blocks to be under scaffold at any one time.

Residents were kept fully informed at all stages during the project and any issues were dealt with promptly and efficiently by the Acclaim Contracts site team. The local Primary School was also contacted to ensure that pupils were aware of the works and the dangers associated with busy construction sites. The Client was delighted with the early completion and by the snag-free handover.