MCRMA’s “Effective sealing of end laps in metal roofing constructions” can be downloaded now Entitled “Effective sealing of end laps in metal roofing constructions”, the new guidance document advises on the issues that need to be taken into consideration to ensure that end laps are sealed correctly. It covers profiled metal to GRP rooflights, profiled[…]

NARM’s new guidance document has been produced to reduce specification errors for non-fragile rooflights 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[…]