ACR FAQs
Questions about publication dates
Questions about the red book and non fragility
Is there a scientific basis to justify the red book test ?
What factors of safety are built into the test?
Does the red book test apply to glass assemblies?
How is the red book test applied to GRP Rooflights?
What is the correct way to reference the Red Book test in publications and manufacturers literature?
How does the complaints procedure work?
Do you have a complaints procedure flow chart?
Questions about other ACR publications and roofwork issues
When can I move nets during the installation of class C assemblies?
Is there a guidance wind speed above which roofing works should stop?
Can't find what you are looking for?
If you do not find the answer here, please use our contact form and send your clarification question to us.
Please note the primary remit of the ACR is promoting roofwork and roof safety - the Committee only accept questions relating to its work and it’s publications. If your question relates to roof or roofwork specifications or products, or site specific /general roofwork and roof safety issues not covered in our publications, you are asked to contact the various constituent Trade Associations who made or install the products - links to their web pages can be found here.