Shop our range at Selhurst Timber of cavity batts designed for insulating cavity walls in residential and commercial construction projects. Cavity batts are installed within external wall cavities to improve thermal insulation and reduce heat loss while maintaining the structural integrity of the wall system. Widely used in modern construction and renovation work, these insulation materials help improve energy efficiency, reduce heating costs and support compliance with building regulations. Are you spending over £150? You will receive free local delivery on qualifying orders across our delivery area.