This resource outlines the minimum standard for the specification of internal window grilles. This standard is usually required for museums under the Government Indemnity Scheme, but is a useful guideline for all museums when managing risks to their collections.
The Guide to Physical Security Standards for Buildings maps a range of physical security standards against a scale of risk ranging from low risk in domestic applications to high risk in commercial and government applications. When specifying for physical security measures you can use this guide as a general indication of the standards you might require in commercial products. Security products, their specifications and suppliers are listed on Red Book Live.
Clicking the link on this page will allow you to download this resource as a PDF.