Contractors World
 

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Contractors World - 2014 Vol 4 No 5

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Major New Work for Record-Breaking Roofing Company

A Cornish roofing specialist has been invited to quote for a 6 figure contract in Manchester thanks to a recent record-breaking performance.

JR Flat Roofing, based in Redruth in Cornwall, recently completed a job in Hemel Hempstead to refurbish two identical flat roofs side by side totalling 1100 m² which were in need of repair.

JR Flat Roofing, based in Redruth in Cornwall, recently completed a job in Hemel Hempstead to refurbish two identical flat roofs side by side totalling 1100 m² which were in need of repair.

The project was brought to JR Flat Roofing via Polyroof Products Ltd, and concerned residential buildings, which had to remain fully occupied during the works, with minimal disruption. However, working with Heritage Scaffolding Ltd of Berkshire, JR Flat Roofing completed the task in less than three weeks, which is a record for the two companies.

Due to the existing roof being an inverted warm roof system, which means the insulation is on top of the waterproof system as oppose to beneath, the team had to remove the pebbles and insulation and place to one-side in four separate phases to each block (140 m² at a time), to expose the waterproof layer which was a single ply system that had failed prematurely.

A Polyroof Protec system was used to complete the work, manufactured by Polyroof Products Ltd. It was Polyroof’s technical department that assessed the site, took core samples and then provided a specification to overlay the roof.

JR Flat Roofing were then able to apply the Polyroof liquid polyester resin directly on to the single ply. The liquid system (Protec) was chosen because it could facilitate for all the roof penetrations with ease.

Furthermore, another objective was to reutilise the original inverted insulation and ballast pebbles, this was cost saving and negated the need for the lifting logistics that would have been involved in bringing the ballast to ground level. It also made the process as environmentally compliant as possible by keeping waste to a minimum.

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