50mm Celotex CW4050 Cavity Wall Insulation Board 1200mm x 450mm (5.94m2/Pack)

50mm Celotex CW4050 Cavity Wall Insulation Board 1200mm x 450mm (5.94m2/Pack) is a partial fill insulation solution for masonry cavity walls. Celotex Cavity Wall Insulation is a high performance, rigid polyisocyanurate (PIR) insulation board, it's doubled sided aluminium foil facing biards are suitable for use in new or old buildings, as well as extensions. Sized to fit between cavity wall ties, it is easy to handle and install - ensure that all installations are according to guidance issued by Celotex. Certified under BBA certificate number 16/5343.