IJAS Limited also manufacture Flange Insulation Kits in the UK and offer a range of Cathodic Protection materials that may be required as part of a corrosion system IJAS Limited was formed in 1996 as the UK distributor for Alfa Engineering of Modena, Italy who manufacture Monolithic Isolation Joints Alfa Engineering have ISO 9001 accreditation and IJAS is the main supplier of Isolation Joints to the UK market, in particular to British Gas Transco and its subcontractors