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The roof of a northern hospital was safely upgraded with new rooflights, enhancing thermal performance and maintaining patient comfort. All while being in use and still providing care to patients. Because of this it was paramount that the works cause the minimal amount of distribution while remaining as safe as possible. Making Centech PU the perfect choice as it is, formulated to remove health risks, cold applied & ultra-low odour.
This Northern community hospital is part of a local trust, which employs more than 6,500 staff and provides over 70 services across 15 locations. The hospital delivers a range of healthcare services to the local community and has 23 inpatient beds. The original bitumen roof was showing signs of wear and was in need of refurbishment to ensure it remained weatherproof and watertight. The specification included the replacement of rooflights to help further improve thermal performance. With patients and hospital staff occupying the building throughout the works, the roof refurbishment needed to be carried out safely and without disruption to anyone
The existing bitumen roof had weathered and needed to be treated with an effective waterproofing solution. With the hospital delivering essential healthcare to patients, the building had to remain fully operational while the works took place.
The roof also needed to be thermally upgraded to a warm roof to satisfy current building regulations.
With patients and staff constantly on site, it was vital to eliminate any risks associated with hot works or harmful materials by using a cold-applied, low-odour waterproofing solution.
Core samples were taken of the original reinforced bitumen membrane and it was deemed viable for overcoating. It was power washed to remove any debris and inspected to ensure there were no areas of damage.
After the membrane was prepared, the roof was upgraded with a Centech warm roof system, which consisted of Centech PIR insulation and a Centech SA Carrier/VCL carrier membrane to increase the thermal performance of the roof and achieve a U-value of 0.18W/m2.K.
Two coats of the Centech PU system, which is fully reinforced with Centech GFM for durability, were then applied to provide a durable and watertight finish.
A series of new Centech rooflights were also installed, including a large monovault rooflight, measuring 1240 x 3080mm, which was fitted above one of the entrance areas to maximise natural light. The Centech system was dressed up to the rooflight kerbs to ensure the integrity of the roof.
Non-flammable, ultra low odour and free of any harmful materials, Centech PU is one of the safest liquid roofing solutions on the market.
The system is cold-applied and cures rapidly, meaning it is quick and easy to apply. This allowed the contractor to work efficiently and keep to a strict schedule of works – all while the hospital remained open.
Centech PU eliminates the need for hot works on the roof, which can pose a significant risk of fire. The single pack solution is swift and easy to apply, and it is fast-curing, even in poor weather conditions.
Formulated to eliminate health risks and stripped of free monomer isocyanates, the low odour Centech solution did not pose any risk to patients, staff or roofing operatives.
The Centech system and the new rooflights improved the thermal efficiency of the building and comfortably achieved the required U-value of 0.18W/m2.K.
A comprehensive Centaur 20-year single point guarantee was provided on completion of the project
Centaur Technologies Limited is a British owned and managed specialist roofing company, focused on the development and supply of leading edge liquid roofing systems.
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