BLD/Envelope/TBT-BLD-009

External Cladding Installation

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External Cladding Installation

Toolbox Talk Record

Ref: TBT-BLD-009  |  Issue: 1  |  Date: March 2026
PresenterProject
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What?

  • External cladding includes metal panels, composite panels, rainscreen, and insulated render.
  • Installation is carried out at height from scaffolding, MEWPs, or mast climbing platforms.
  • Panels can act as sails in wind — handling large panels at height creates fall risks.
  • Fire performance of materials is critical following the Grenfell Tower fire in 2017.
  • The Building Safety Act 2022 imposes strict requirements on cladding materials.
  • Panels must be lifted and fixed per the manufacturer's installation sequence.
  • Sharp edges on metal panels cause lacerations — cut-resistant gloves are essential.
  • The Work at Height Regulations 2005 apply to all cladding installation.
  • Temporary fixings must secure panels against wind uplift until permanent fixings are done.
  • Waste cladding and packaging must be managed to prevent blowing off the building.

Why?

Prevent fallsCladding installation at height is one of the most dangerous building activities.
Fire safetyIncorrect materials and installation have caused fatal building fires.
Wind hazardLarge panels catch wind and can pull operatives off platforms.
Legal complianceBuilding Regulations and Work at Height Regulations impose strict requirements.
Do Don't
  • Wear a harness when required by the risk assessment for the task.
  • Check wind speed before handling large panels — observe stop limits.
  • Follow the manufacturer's installation sequence and fixing specification.
  • Use cut-resistant gloves when handling metal cladding panels.
  • Secure all panels with permanent fixings before removing temporary supports.
  • Verify the fire classification of all cladding materials before installation.
  • Plan panel lifting to avoid swinging loads near operatives at height.
  • Secure packaging and offcuts to prevent wind-blown debris from height.
  • Inspect scaffolding and access platforms daily before cladding work.
  • Brief the team on the day's panel sequence and weather limits.
  • DON'T handle large cladding panels in high winds — observe the stop limit.
  • DON'T install materials that do not meet the specified fire rating.
  • DON'T work at height without appropriate fall protection in place.
  • DON'T lean out from scaffolding to position or fix panels.
  • DON'T leave panels temporarily propped without securing against wind.
  • DON'T cut cladding panels without dust suppression and RPE.
  • DON'T store panels flat on scaffolding where wind can lift them.
  • DON'T alter the fixing specification without the designer's approval.
  • DON'T throw waste off the building — lower it in controlled loads.
  • DON'T work below cladding without an exclusion zone in place.

See also: Building Works Safety Awareness | Working at Height Hierarchy of Control
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