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Insulation installation for new buildings — Insulation contractors

For a new building, provide the current design drawings and insulation schedule rather than requesting a generic supply-and-fit price. Identify the construction programme and the party responsible for approving details, because installation must be coordinated before adjoining work hides it.

Service scope

Delivery of insulation packages within a new-build specification, coordinated with structure, envelope junctions and other trades before construction is closed up. The contractor's installation role is distinct from responsibility for the building's complete energy or moisture design.

What is normally included

  • Review of issued insulation details
  • Coordination of installation sequencing
  • Records of concealed installation work

What is not included

  • Unauthorised substitution of specified systems
  • Automatic whole-building certification

Typical tasks

  • Review the current specification
  • Plan work with adjacent trades
  • Confirm approved materials
  • Install the defined insulation package
  • Record completion before concealment

What to include in your brief

  • Issued drawings and revision
  • Insulation schedule
  • Construction programme
  • Site access and storage
  • Named designer or approval contact

Choosing the right professional

Compare contractors on their ability to follow and document the specified construction. Confirm who approves product changes and how incomplete interfaces or conflicting drawings are reported before work continues.

Important considerations

  • Trade sequencing can leave inaccessible gaps
  • Unapproved substitutions may change the designed assembly

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