Do you suffer from leaking or porous castings? Do you want to recover your castings and seal them for life? … Call the casting impregnation experts.

Impregnation Services are porosity sealing experts, specialising in the impregnation of castings and other ferrous and non-ferrous materials. With over 50 years experience in this specialist field of vacuum impregnation, ISL are able to offer both in-house and on-site porosity sealing services to a client base across the UK and abroad.

Our purpose built facility allows us to turn ordinary castings into high-pressure, sub-surface sealed, fit for purpose parts, for use in any number of applications.  We provide vacuum impregnation of castings to a vast array of industries including aerospace, automotive, oil and gas and marine.