Walk-on rooflights are high specification glass structures designed to floor loadings. They are unsuitable for most rooflighting applications.
Specifiers often refer to walk-on specification, which demonstrates their confusion; their requirement is actually for a non-fragile rooflight.
The National Association of Rooflight Manufacturers (NARM) has published a guide with practical specification advice on non-fragile rooflights.
The document has been published to inform specifiers of the hazards they can cause by using undefined terms such as man-safe and walkable when referring to rooflight specification.
The documents offers practical recommendations for specification as well as typical load capacities for walk-on rooflights.
NARM also includes general guidance for safety on roofs in its new document.
The document, which is entitled NARM NTD 11 Understanding the differences between non-fragile rooflights and walk-on rooflights for deliberate foot traffic can be downloaded for free on NARM’s website.
For further information, please contact NARM using the contact details on our website, where you will be directed to the appropriate person.
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