T-Barrier Masonry (vertical) - All Sizes Exclude_From_Upselly_Widget The insulation roll is durable

The insulation roll is durable and non-combustible

Insulated with Polyethylene foam

Celotex TB4000 helps achieve the required U-values with minimum thickness

Look no further than Knauf DriTherm Cavity Slab 37 Glass Mineral Wool

T-Barrier Masonry (vertical) - All Sizes Exclude_From_Upselly_Widget The insulation roll is durableARC T Barrier enables the closing of an external cavity at a party wall junction where building regulations require the use of a mineral wool closer for acoustic insulation purposes. Additionally, it provdes an effective edge seal around the party wall cavity, helping to achieve a zero U value. ARC T Barrier Masonry is easily installed as the brick and blockwork progresses. No mechanical fixings are required, a friction fit within the external cavity