Insulating Cavity walls offers excellent thermal performance when the cavity is filled with cavity wall insulation.

1st Insulation Partners Cosytherm Rockwool, Cosytherm Whitewool and Cosytherm Ecowool can be used in new build constructions or as a retrofit injected cavity wall insulation system.

Advantages of our cavity wall insulation: 

British Board of Agrement approved  

Offers excellent thermal performance

Ensures a complete fill without settlement

Water repellent – will not allow water to migrate across the cavity

Vapour permeable – allows construction to breath, reducing condensation risk

Cost effective insulation solution for new build and refurbishment

Offers flexibility for new build installations

Helps to reduce household heating bills

Reduces carbon emissions

Click below to find out more about our ranges of cavity wall insulation: