4323 Installation of insulation

This subcategory includes:

• thermal insulation works involving weather-proofing insulating materials for exterior wall cavities
• thermal insulation works to hot and chilled water pipes, boilers and duct runs
• installation works for internal insulation of roofs
• sound insulation works
• installation works for acoustic panels, tiles and similar materials
• fireproofing works

This subcategory excludes:

• waterproofing works, see 43.23.20
• installation works for external insulation of roofs, see 43.41.09

This subcategory includes:

• waterproofing works on the outside of constructions and other subterranean structures
• damp proofing works

This subcategory excludes:

• insulation works (not for roofs), see 43.23.10
• insulation and waterproofing works for roofs, see 43.41.09