| 4810 consists of soft, tempered bright aluminium foil coated with a long ageing acrylic adhesive. 4810 is supplied with a paper interleaf. The adhesive has good resistance to moisture and solvents. Application; The 1976 Building Regualations encourage the use of surfaces with Class "O" rating to achieve maximum fire safety standards. 4810 has been specially developed for use as a joint sealing medium with Class "O" materials. Typical applications are sealing joints in insulation board and in duct and pipe insulation. |