The following are links to useful guidance materials for anyone involved with heritage ironwork. Some are free to download, others are available to purchase.
On occasion the NHIG is able to pool together advice from industry experts to help with specific ironwork queries. The responses to these queries and the original questions can also be found here.
Maintenance and Repair Techniques for Traditional Cast Iron available as a free download or to purchase if you prefer a hard copy.
A brief guide to decorative ironwork in Victorian and Edwardian houses published by The Victorian Society and available to purchase