Secondary glazing enriches Art Deco revival of Hatfield’s most iconic building

Hotel, Sport & Leisure Thu, Dec 12, 2019 11:13 AM

The Comet Hotel is located in Hertfordshire at the junction of the Barnet by-pass with St Albans Road on a busy roundabout, close by to the Selectaglaze office and factory.

The Grade II Listed building was designed in 1936 by E.B Musman in the shape of the iconic de Havilland Comet DH.88 aeroplane. At the point of building, the de Havilland airfield and aircraft factory was located just opposite the hotel.

The Comet’s multimillion pound refurbishment which began in 2017 is now complete.The works were entrusted with contractor ISG Bristol and designed by architects Stride Treglown. The 1980s extension has been demolished. In it’s place sits a new three storey extension block, annexed to the rear of the hotel which has added a further 52 rooms which reflects and enhances the silhouette of the heritage building.This new extension is shared with a student residential development. In addition, the hotel has also opened its own independent restaurant, ‘Element Bar & Kitchen’. A replica of the Comet Racer, mounted on a 20ft high pylon stands tall outside the hotel. The fibre-glass replica aeroplane of the winner of the 1934 England -Australia air race, made in 1966 had suffered considerable damage over the years. It has now been repaired back to pristine condition, courtesy of de Havilland Aircraft Museum in London Colney.

The hotel had kept the building’s original crittal sash windows but this did not offer the required level of noise insulation to a number of the guestrooms, restaurant and function spaces for meetings and networking events.

To remedy this, Selectaglaze installed 104 secondary glazed units, with a cavity between the existing primary windows and the secondary units to considerably enhance the level of noise insulation. The secondary windows were made bespoke for the best fit and included four different systems, tailoring the units specifically to the project’s needs. All units were finished in white to match with the original external windows.

The Series 20 vertical sliding units were faceted onto the curved on plan original bay windows on the ground and first floors. This was to provide adequate thermal and noise insulation to the restaurant and meeting room.The Function room was fitted with the Series 15 three-pane horizontal slider, which can support thicker glass when higher levels of noise insulation are desired.

The bulk of openings in the hotel guestrooms were treated with the Series 10 horizontal sliding unit, which is a versatile system that provides easy access to the outer window. This slimline unit has not only produced remarkably quiet rooms thanks to noise insulation in excess of 45dB but will reduce heating costs.

In addition, four of the smaller windows on the first floor were treated with Series 45 side hung casements, with no new sight lines making it very suited to the hotel’s Listed status.

The new secondary glazing to this Hatfield landmark will now help lower energy bills and afford the guests a good night sleep, along with those visiting the hotel guaranteed a pleasant and comfy experience.

Founded in 1966, Royal Warrant Holder Selectaglaze has gained a reputation as a leading secondary glazing specialist offering high performance noise insulation, improved building energy performance, environmental control and certified security for blast mitigation, ballistic attack and fire. Products are fully tested and assessed for performance and twice yearly quality audits are conducted through the company’s ISO 9001 accreditation and LPCB.An extensive range of literature and guidance notes is available together with a technical advisory service and RIBA approved CPD seminars.

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