Welcome to building.co.uk. This site uses cookies. Read our policy.

  • Skip to main content
  • Skip to navigation
Insert Logo text
Core Test

Mast navigation
  • The Building Boardroom
  • Register
  • Subscribe
  • Sign In
Search our site
Menu
Close menu
  • Home
    • Back to parent navigation item
    • Home
    • About Us
      • Back to parent navigation item
      • About Us
      • Contact details
      • Our history: 180 years of Building
    • Digital editions
      • Back to parent navigation item
      • Digital editions
      • Digital supplements
    • Subscriptions
      • Back to parent navigation item
      • Subscriptions
      • Buy or renew a subscription
      • Subscriber queries
    • Events
      • Back to parent navigation item
      • Events
      • Building Awards
      • Programmes
      • Webinars
  • News
    • Back to parent navigation item
    • News
    • Trending
      • Back to parent navigation item
      • Trending
      • Race to net zero
      • Building Talks podcast
      • RICS in crisis
      • Crossrail latest
      • Building safety
      • HS2 latest
      • Materials shortages
    • Companies
      • Back to parent navigation item
      • Companies
      • Consultants
      • Contractors
      • Architects
      • Clients
    • Sectors
      • Back to parent navigation item
      • Sectors
      • Cities & regeneration
      • Housing
      • Education & healthcare
      • Commercial
      • Infrastructure
  • Focus
    • Back to parent navigation item
    • Focus
    • Buildings
    • Features
      • Back to parent navigation item
      • Features
      • Sponsored content
    • Top 150 Contractors & Housebuilders
    • Interviews
    • Programmes
      • Back to parent navigation item
      • Programmes
      • Buildings, Design and Specification
      • Building Systems Thinking
      • Business Strategy, Risk and Regulations
      • Digital Construction
      • Housing
      • International
      • Net zero and energy
      • Social Value
    • Campaigns
      • Back to parent navigation item
      • Campaigns
      • Regen Connect
      • Funding the Future
      • Election Focus
      • Every Person Counts
      • How to save the world
      • Proud to Help
  • Comment
  • Events
    • Back to parent navigation item
    • Events
    • Building Awards
    • Building the Future Conference
    • Roundtables
    • Webinars
    • Podcasts
    • CRASH charity
    • Good Employer Guide Live 2026
  • CPD
    • Back to parent navigation item
    • CPD
    • CPD
      • Back to parent navigation item
      • CPD
      • Take the latest modules
    • Careers
      • Back to parent navigation item
      • Careers
      • Search for jobs
      • Careers features
      • Salary Surveys
  • Building the Future
    • Back to parent navigation item
    • Building the Future
    • Building the Future Conference
    • Building the Future Think Tank
  • Jobs
  • Data
    • Back to parent navigation item
    • Data
    • Market data
      • Back to parent navigation item
      • Market data
      • League tables
      • Market forecast
    • Cost Data
      • Back to parent navigation item
      • Cost Data
      • Cost models
      • Infrastructure costs
      • International costs
  • Subscribe
  • Building Boardroom
    • Back to parent navigation item
    • Building Boardroom
    • Building Boardroom Digital Construction Academy
  • Home
      • About Us
        • Contact details
        • Our history: 180 years of Building
      • Digital editions
        • Digital supplements
      • Subscriptions
        • Buy or renew a subscription
        • Subscriber queries
      • Events
        • Building Awards
        • Programmes
        • Webinars
    • Find out more
  • News
      • Trending
        • Race to net zero
        • Building Talks podcast
        • RICS in crisis
        • Crossrail latest
        • Building safety
        • HS2 latest
        • Materials shortages
      • Companies
        • Consultants
        • Contractors
        • Architects
        • Clients
      • Sectors
        • Cities & regeneration
        • Housing
        • Education & healthcare
        • Commercial
        • Infrastructure

    • All the latest updates on building safety reform

      Regulations latest
  • Focus
      • Buildings
      • Features
        • Sponsored content
      • Top 150 Contractors & Housebuilders
      • Interviews
      • Programmes
        • Buildings, Design and Specification
        • Building Systems Thinking
        • Business Strategy, Risk and Regulations
        • Digital Construction
        • Housing
        • International
        • Net zero and energy
        • Social Value
      • Campaigns
        • Regen Connect
        • Funding the Future
        • Election Focus
        • Every Person Counts
        • How to save the world
        • Proud to Help
  • Comment
    • richardsteerchairmangleedslores_362097_crop.jpg-2-Photoroom
      The Budget must treat construction as a national priority
    • Sheena Square cutout white background
      Are construction contracts ready for a hotter future?
    • Tony bingham 2017 bw web
      Whose side are you on? A look at new RICS guidance for expert witnesses
    • Alex-Martin-Diaz BW cutout
      How insolvency affects dispute resolution
  • Events
      • Building Awards
      • Building the Future Conference
      • Roundtables
      • Webinars
      • Podcasts
      • CRASH charity
      • Good Employer Guide Live 2026
    • W3Schools.com

      W3Schools.com

      W3Schools.com

  • CPD
      • CPD
        • Take the latest modules
      • Careers
        • Search for jobs
        • Careers features
        • Salary Surveys
    • Rockwool CPD image 1
      CPD 18 2026: Multifunctional flat roof designSponsored by Rockwool
    • IMG_0458
      CPD 17 2026: Using XPS insulation below DPC level in cavity wallsSponsored by PolyFoam XPS
    • 50543 Mock Up v3
      CPD 16 2026: Fire safety and wall membranes: understanding their role in building performanceSponsored by Glidevale Protect
  • Building the Future
      • Building the Future Conference
      • Building the Future Think Tank
  • Jobs
  • Data
      • Market data
        • League tables
        • Market forecast
      • Cost Data
        • Cost models
        • Infrastructure costs
        • International costs
    • Top 150 Consultants 2026 3x2
      Top 150 Consultants 2026: The main table
    • Top 150 Consultants 2026 3x2
      Top 50 Architects 2026
    • Top 150 Consultants 2026 3x2
      Top 50 Engineers 2026
  • Subscribe
  • Building Boardroom
      • Building Boardroom Digital Construction Academy
    • shutterstock_2787246705
      Cost model: How the UK can meet its data centre infrastructure ambitions
    • Community Diagnostic Centre (CDC) at the Willowbrook Health Complex in Corby
      Cost model: Delivering neighbourhood health centres
    • The Owo
      Cost model: Converting office buildings to hotel use
  • More from navigation items

Specifier 2 October 2009

View all chapters

  • Currently reading

    Specifier 2 October 2009

  • 2

    Brown roofs

  • 3

    Copper roofing

  • 4

    Green roofs

  • 5

    Heritage tiles

  • 6

    Lead-free flashing

  • 7

    movers and makers

  • 8

    Polycarbonate rooflights

  • 9

    Rigid roof insulation

  • 10

    Single-ply roofing membranes

  • 11

    What it costs: Tensile fabric

  • 12
    Sheppard Robson has transformed an aircraft hangar at Cranfield university into an academic building, lighting it by inserting northlights into the original sawtooth roof

    Who turned the lights off? The Part L rooflight resurgence

News

Specifier 2 October 2009

2009-10-02T00:00:00+01:00

Specifier 2 October 2009

  • Currently reading

    Specifier 2 October 2009

  • 2

    Brown roofs

  • 3

    Copper roofing

  • 4

    Green roofs

  • 5

    Heritage tiles

  • 6

    Lead-free flashing

  • 7

    movers and makers

  • 8

    Polycarbonate rooflights

  • 9

    Rigid roof insulation

  • 10

    Single-ply roofing membranes

  • 11

    What it costs: Tensile fabric

  • 12
    Sheppard Robson has transformed an aircraft hangar at Cranfield university into an academic building, lighting it by inserting northlights into the original sawtooth roof

    Who turned the lights off? The Part L rooflight resurgence

 

 

Partner with Building

More from News

  • Simone de Gale profile
    News

    Architect convicted of assaulting flight attendant as arrest warrant issued for failure to appear in court

    2026-10-19T08:31:00Z By Tom Lowe

    ARB says matter ’will be treated as a concern about someone on our register’ ahead of deciding if it falls within the regulator’s remit

  • shutterstock_2436143179
    News

    Commercial real estate lobby warns Healey against £1bn London office tax

    2026-10-16T14:25:00Z By Daniel Gayne

    Extra business rates on high-value offices would hurt growth, says Real Estate:UK

  • shutterstock_2025559781
    News

    Cladding bill met with sceptical reception from industry and campaigners

    2026-10-16T11:50:00Z

    Tougher legal duties and penalties welcomed but some argue the proposed legislation does not go far enough

Tweets by Building
  • Previous issues
  • A - Z Subjects
  • A - Z Contributors
  • Building Product Search
Find us on social media:
  • © Building 2026
  • Terms and Conditions
  • Cookie Policy
  • Privacy Policy
  • Contact Building
  • About Us
  • Advertise
  • Specs

Site powered by Webvision Cloud