HEALTHCARE & HOSPITAL FACILITIES
A ROOFTOP RECOVERY
Sika Liquid Plastics has specified and supplied a roof upgrade solution for West Suffolk Hospital to renew the waterproofing membrane on multiple areas of the hospital campus and create a gradual pitch to aid drainage, while enhancing the building’s thermal performance.
The project is the fourth and final phase of a roof refurbishment at the hospital in Bury St. Edmunds, where significant issues with standing water had compromised the existing felt and asphalt roof surfaces and were causing an ongoing risk of water ingress.
A large district hospital set in 19 hectares of parkland, West Suffolk Hospital has around 430 beds and serves a population of around 275,000 within an area of approximately 600 square miles. It offers a wide range of services, including oncology, maternity, paediatrics and orthopaedics, within an estate that dates back to 1973.
Delivered by specialist contractor, Allard Construction, the phase
62 | TOMORROW’S FM
four programme included seven sections of the building in a 20-week programme. The seven areas that needed work were all under heavy coverage of mechanical plant and pipework, and consequently there were large areas of restricted access, these issues made Sika Liquid Plastics the perfect choice for the project.
Sika Liquid Plastics’ technical team carried out a full condition survey to help inform the technical specification and input into a full solution that addresses the issues with standing water, brings the building up to current Part L building regulations and offers a robust, long- term waterproofing solution.
Core samples were taken on each roof area where possible. Where this was not possible due to standing water, the team used their knowledge of the substrate to develop the technical specification.
The resulting proposal included making good the existing asphalt on all roof areas within the project scope and raising the perimeter details to accommodate the level of the new insulation. Sika Liquid Plastics proposed a warm roof specification with tapered Decotherm insulation along with Decothane Delta 25 & Ultra 25 cold-applied liquid membrane. The tapered insulation created a gentle fall allowing water to drain off the roof, preventing areas of standing water.
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