RIBA has approved a further two NARM Technical Documents for CPD use.
NARM NTD11: ‘Understanding the differences between ‘non-fragile’ rooflights and ‘walk-on’rooflights for deliberate foot traffic’, gives detailed definitions of these two distinct categories of rooflight to enable clear understanding and avoid specification errors.
NARM NTD12: ‘An introduction to natural daylight design in domestic properties’, provides practical guidance for designers and specifiers, with sections covering energy efficiency; daylight control and sun screening; how light can affect designs; and other topics.
Both documents can be accessed on the RIBA CPD website: https://www.ribacpd.com/national-association-of-rooflight-manufacturers-narm/13709/overview/
These documents can also be downloaded free of charge from this website: https://www.narm.org.uk/downloads/guidance/