Balfour Beatty Office, Thurnscoe
The life of a modular building has been extended by up to 30 years, cost-effectively, just by changing the roof.
WC Consulting’s premises in Thurnscoe, W Yorks, created from 18 relocatable buildings bolted together and rented to Balfour Beatty as the construction company’s northern regional office, were leaking badly; a new roof was determined to be the best solution forward.
Contractor CC Roofing’s answer was to strip the original roof, then mechanically fix Protan SE1.2mm single ply vapour permeable membrane to 18mm OSB board.
“It looks the business now,” says Bill Cooper, managing director of WC Consulting. “We looked at various options, but Protan came out the best in balancing cost and potential longevity. The Protan membrane was lightweight and easy for the roofing contractor to use, even on detailing such as the dressed upstands. The new roof should be good for at least 30 years!”
Protan SE, available in 1.2mm, 1.6mm and 1.8mm, is certified to ≤ -30°. The membrane’s tensile strength of ≥1050 N/50mm and tear resistance of ≥210N ensure its performance under the most extreme wind uplift forces, and thermal and structural movement.
Hot-air welded at joints and mechanically fixed to the roof, the membrane achieves durability for up to 30 years, with air leakage controlled/minimised in line with latest Building Regulations.
Manufactured at the company’s headquarters in Norway, Protan roofing solutions are guaranteed for a minimum 10 years, but the company has roofs that have been in place for 30+ years without performance-affecting degradation. A full support service, from NBS specification and in-house CAD design through to technical advice and variable warranty depending on specification is provided from Protan UK’s Warrington office.