Injected Cavity Wall Insulation

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A polyurethane (PUR) foam system can be injected into a cavity of a property via holes in the outer leaf producing insulation with excellent adhesive, structural and thermal properties. The product bonds the inner and outer leaves together thus eliminating, or even treating, the problem of wall tie failure.

 

Benefits of PUR Injected Cavity Wall Insulation

  • Provides the best thermal performance of all practical full cavity insulants
  • Ensures continuity of insulation and does not settle or leave part of the cavity uninsulated
  • Maintains thermal performance for lifetime of the building
  • Reduces the risk of water penetration

  • Recommended by the Environment Agency as a measure to reduce flood damage to walls
  • Resistant to moisture ingress
  • Provides wall stabilisation, especially useful where wall ties are failing
  • Products can be installed with minimal disruption to occupants or other on-going activities
  • Non-fibrous insulation

Manufacturers’ products will offer different benefits depending on the application. For full details users should refer to the manufacturer’s third party certification.