Thermal Insulation Suppliers - Perkins Contracts Limited We are thermal insulation suppliers based in Sussex, UK, supplying and fitting thermal insulation to pipework, ductwork and vessels throughout the South of England and London. We are:   Thermal Insulation Suppliers for pipework Thermal Insulation Suppliers for Ductwork and Vessels We supply Thermal Insulation Jackets for Valves & Flanges.   Our range of finishes include: Isogenopak, Polyisobutelyne, Aluminium & Venturclad.   We are able to offer comprehensive solutions to many insulation problems.