Sika Sarnafil was recently specified to supply its single ply membrane roof for a new sports facility at St. George’s Weybridge, a Roman Catholic co-educational nursery, private day school and 6th form college in Surrey.
This new architectural development has been built as part of the establishment’s 150th-anniversary celebrations and includes a premiership level hockey pitch and six-court sports hall, as well as a strength and conditioning suite, dance studio and flexible multi-use areas.
Designed by global architectural practice Scott Brownrigg, the new facility features a tree canopy-like roof structure draping over the building’s internal spaces. When designing the facility, Scott established that the roof needed to achieve 30m clear spans across the main hall and the design needed to be clever and sensitive to the fact that the site’s location sits within the green belt. It also required a flexible and durable waterproofing solution to ensure the building leaves a lasting legacy for future generations of Georgians.
Felicity Meares, Architect at Scott Brownrigg, comments on how they approached the design and specification: “We designed a bespoke freeform glulam roof that curves in multiple directions. Computer modelling software allowed us to create and control this complex roof form in virtual reality, pushing and pulling it to blend into the landscape.
“In need of a roofing product elegant and pliable enough to accommodate the complex design, lightweight enough to minimise the impact on the roof’s structure and cost-effective enough to cover such a large area, Sarnafil G410-ELF lead grey single-ply membrane was specified, along with Sarnavap 5000, 120m SarnaTherm G insultation board and Sika SolarMount-1. Sarnafil adhered décor profiles were also built, allowing rainfall to be interrupted and guided across the roof.”
Sarnafil worked closely with the architects and contractors to develop a specification that not only had the correct U-value, but was also compatible with the Cross Laminated Timber roof build-up and ancillary roof-mounted systems used, such as Photovoltaics, Latchways, a built-in gutter and upstands for roof openings.
Thanks to an exceptional design, impeccable installation and Sika Sarnafil’s robust guarantees, the team have been able to create a space that will inspire students to achieve their very best for years many to come.
Welwyn Garden City,
Phone: 01707 394444
Fax: 01707 329129
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