Superwall 150mm 36 Cavity Wall Batt Insulation 3.28 m2 per Pack 6x6 Tyvek Butyl Tape is most

Tyvek Butyl Tape is most effective when used under compression for example:

Vertically Perforated 11-16% Voids

size: 3200 x 2200mm 5

Contemporary Look: Enhances outdoor spaces with a modern aesthetic

The trench needs to have a flat bottom and granular fill or even concrete added to the bottom to achieve this

Superwall 150mm 36 Cavity Wall Batt Insulation 3.28 m2 per Pack 6x6 Tyvek Butyl Tape is mostSuperglass Superwall 150mm 36 Cavity Wall Batt is approved by the British Board of Agreement (BBA) and provides high thermal insulation in cavity walls while adhering to industry standards and being non combustible. Manufactured using up to 84% recycled glass, it meets environmental responsibility guidelines set out by ISO 14001 while its flexible design facilitates easy installation between standard wall tie spacings without needing on site