Superwall Cavity 36 Insulation

£32.50£41.50 inc. VAT



Superglass Superwall 36 is a British Board of Agrément (BBA) approved, non-combustible and water repellent glass mineral wool insulation cavity wall batt. The flexible batt is supplied at 455mm wide to allow easy installation between standard vertical wall tie spacings, reducing the need for on-site cutting and waste.


Superglass Superwall 36 is designed to provide thermal insulation in full or partial fill in new external masonry cavity walls, up to 25 metres in height for full fill and without restriction for partial fill in buildings of a domestic and non-domestic nature (additional requirements apply for buildings above 12 metres in height for full fill and above 25 metres in height for partial fill, please refer to the product BBA certificate for more information).

Superwall 36 is BBA approved for use in all UK exposure zones (subject to conditions detailed in the BBA Certificate).


Thermal Conductivity:

Declared thermal conductivity (lambda (λ) value) of 0.036W/mK.

Fire Classification:

Deemed non-combustible with a fire classification of Euroclass A1 (the highest possible rating) when tested to BS EN 13501-1 Reaction



Cavity insulation comes in varying sizes

Comes in 150, 100, 75 and 50mm

100mm covers 4.37sqm per pack

75mm covers 5.46 sqm per pack

50mm covers 8.74sqm per pack

Sold per pack






Additional information


100mm, 150mm, 50mm, 75mm