When Westminster Cathedral’s roof was first asphalted back in 1903, it would have utilised naturally occurring asphalt deposits dug up from an overseas lake. These days, things are done a little differently. Instead, IKO’s Permaphalt – a polymer modified mastic asphalt – was specified for the extensive reroofing of the Cathedral by Architect, Michael Drury from St Ann’s Gate Architects. “Asphalt had worked well for the Cathedral in the past and there was no reason why it shouldn’t again,” he s…Show more
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