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Code of practice for the specification and on-site installation of intumescent coatings for fire protection of structural steelwork

Technical Guidance Document 011

Code of practice for the specification and on-site installation of intumescent coatings for fire protection of structural steelwork

Document Status



Core Supplement


Technical Guidance Document


Provides guidance for the specification, application and control of intumescent coatings, covering system performance, management, regulatory compliance, priming, treatment, galvanising preparations, repair and maintenance, approvals and certification, film thickness plan, dry film thickness (DFT), correction of defective or inadequate coatings and quality and inspections.


Replaces Technical Guidance Document 3-1:1996. Amendment dated 17/04/2009 - Includes new legal liability statement. Amendment dated 12/09/2014 - new logos, updated text and repositioned text.




Publisher History

Formed in 1975, the Association for Specialist Fire Protection currently represents the major U.K. based specialist manufacturers and installers of structural passive fire protection systems. They produce technical information to ensure built in fire protection in buildings.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

IHS Markit

IHS Markit is a leading global source of critical information and insight for customers in a broad range of industries. Our customer product and service solutions span four major areas of information: energy, product lifecycle management, environmental and security. By focusing on our customers first, we deliver data and expertise that enable innovative and successful decision-making. Customers range from governments and multinational companies to smaller companies and technical professionals in more than 180 countries. IHS has been in business since 1959 and employs more than 3,500 people in 35 locations around the world.

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