Flat Roof Partner. Complete flat roofing for builders and contractors.
Visualisation of a finished single-ply flat roof with rooflight and a London skyline backdrop

London & surrounding areas

Complete flat roofs
from structure to waterproofing

A single contractor for the entire flat roof build-up, delivering a coordinated package.

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The complete roof build-up

Exploded single-ply warm roof showing membrane, insulation, air and vapour control, deck, firrings and joists
  1. 1
    WaterproofingPVC, EPDM or TPO/FPO membrane, with compatible detailing.
  2. 2
    InsulationAbove the deck in a typical warm roof construction.
  3. 3
    Air & vapour controlA continuous AVCL, sealed at junctions and penetrations.
  4. 4
    Roof deckSuitable plywood, OSB or another specified structural deck.
  5. 5
    Firrings & fallsFalls formed to the design; tapered insulation is another option.
  6. 6
    Supporting structureJoists or other structure designed for the project loads.
Typical single-ply warm roof on a timber deck. Final layers, falls and fixings follow the project specification.

The complete package

Every layer.
Every interface.

We bring the agreed roof scope together, from supporting structure and insulation to the membrane, flashings and drainage.

  • Structure and decking where included in the quotation
  • Insulation and air / vapour control coordinated together
  • A compatible waterproofing system
  • Rooflights, upstands and perimeter details
  • Falls, outlets and rainwater routes
  • Scope, programme and handover information agreed in advance

See roof examples

Explore illustrative flat roof examples in the project gallery.

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Illustrative flat roof extension

Let’s plan your flat roof.

Send your drawings, site postcode and a short project brief.

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