KINGSPAN ENHANCES OLD TEXTILE MILL’S FABRIC

Kingspan Kooltherm K7 and K107 Pitched Roof Board have been installed as part of a major refurbishment project, transforming a former Victorian mill into CAT B office space for Manchester Metropolitan University.

6 Great Marlborough Street forms part of Manchester’s rich industrial heritage and sits within Little Ireland, the earliest area of Irish settlement within the city. The sensitive restoration plans make a feature of the historic building fabric, exposing the original brickwork and beams internally, whilst incorporating more contemporary elements such as building services and modern windows.

 

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The design team prepared the fit-out using the Royal Institute of Chartered Surveyor’s SKA Rating environmental assessment method – targeting a Silver rating certificate. As part of this process, they identified an opportunity to upgrade the thermal performance of the poorly insulated pitched roof. To minimise heat loss through the roof, a construction combining Kingspan Kooltherm K7 and K107 Pitched Roof Board was installed.

Kingspan Kooltherm K7 and K107 Pitched Roof Board can achieve thermal conductivities as low as 0.020 W/m·K and 0.018 W/m·K, respectively. In combination with their low emissivity foil facing, this makes them amongst the most thermally efficient pitched roof insulation materials in common use.

As the original roof slates have been retained, the boards were cut to size by hand and fitted between and below the existing roof rafters from inside the building. This premium specification allowed the target U-value to be met with the slimmest possible construction – maximising floor to ceiling heights in the top storey spaces in the 5-floor building.

Kingspan Kooltherm K7 and K107 Pitched Roof Board are produced under an integrated management system which is certified to the highest standards including ISO 9001: 2015 (Quality), ISO 14001: 2015 (Environmental), BS OHSAS 18001: 2007 (Health and Safety) and ISO 50001: 2011 (Energy). Their insulation core is manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

 

www.kingspaninsulation.co.uk

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Returning St Joseph’s School to its former glory

 

Generations of school children have attended St Joseph’s Catholic Primary School in Willesden so when a fire destroyed its roof, it was a blow to both the current students and its community.

When selecting the right roof tiles for the re-build, it was vital to find one that matched its Edwardian predecessors to return the building to its former glory. Ideal for this role, BMI Redland Rosemary Clay Classic tiles were selected by architect Wilby & Burnett. Like St Joseph’s, the Rosemary clay tile has a long and distinguished history that stretches back over 180 years.

This important project required a wealth of experience, so Wilby & Burnett worked with the main contractor Associated Installations and W O’Dwyer to complete the project for the Diocese of Westminster,

The roof at St Joseph’s is a complex one, with several turrets, numerous dormer windows and a decorative, lead-clad cupola at its centre. In addition to the complexity, a challenge for the designers and roofers was the irregularity of the old roof which had to be re-created. “It was noticed from record drawings that the building was not constructed entirely squarely and that the existing roof pitches varied in different locations. The roof had to be set out to relate to the existing gables which had to be retained,” comments architect Bob Ecclestone of Wilby & Burnett.

A number of parts of the project required additional work to bring the roof in line with current standards. Insulation was added to help meet modern energy efficiency Part L Standards and the new roof frame had to be steel rather than timber to meet modern structural design codes.

 

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Detailing aside, one of the biggest challenges in re-tiling the roof was logistics. The whole roof was covered in a protective scaffolding, which slid open to allow materials to be craned in at certain times of the day. Most of the 76,000 tiles and many kilograms of lead came to the roof in small batches, brought in by means of a goods hoist.

The nature of this roof also required roofers with plenty of experience and traditional roofing skills. “We chose roofers we had worked with before, who were experienced and produced good-quality work,” says William O’Dwyer of contractor W O’Dwyer who delivered the £1.3m structural repair project, employing Martin UK Roofing Systems to carry out the tiling and lead work. “On a job like this, you don’t necessarily select on price, you need someone who you know will deliver a good end-product.”.

BMI Redland’s range of Rosemary plain clay tiles come in a range of eight weathered, brindled and single colours which mellow naturally over time. Rosemary Clay Classic in Red was selected as the best match for this project, providing the required aesthetics and a quality hand-crafted clay roof with the reliability of modern machine-made techniques.

With its new roof in place, few people today would know that there had been such a devastating fire at the school. “I am proud of it and everybody else is proud of it as well,” says O’Dwyer.

Having re-located to temporary buildings after the fire, the children and teachers returned to their renewed school in September 2018. This dramatic chapter in the school’s history has not held it back, however: at the end of 2018 it was listed as the second-best state primary school in the country in the Sunday Times School Guide 2019.

For more details of BMI UK & Ireland’s flat and pitched roofing solutions, visit www.bmigroup.com/uk

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Rooflight solutions support college upgrade project

A well established and well respected college in Bury, Manchester has undergone a period of renovation and extension to provide upgraded facilities for its students.

Holy Cross College, a Catholic sixth form college, saw an extension join together existing buildings and create walkways around a quadrangle all of which now enjoy the benefits brought by modern glazing solutions.

“Many solutions had been explored for the college to make the most of the space it had available and we were delighted to be involved with the project and ensure that more natural light was brought into the building so that students could maximise its benefits,” said Jim Lowther Sales Director, Xtralite. “We were able to specify the latest rooflight and glazing technologies choosing materials that were particularly suited to their relevant setting.”

Two X-Span canopies, a thermally enhanced self-supporting rooflight, measuring approximately 16m x 4m and 23m x 3m were specified over the student walkways with 25mm, 5 wall x-structured protected polycarbonate providing the glazing solution. This allowed natural light to penetrate into the student circulation area and access to the coffee shop.

 

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In addition, two X3 rooflights were specified in the main building which measured approximately 3m x 2m and 1m x 2m. Both had double glazed glass, argon filled units providing enhanced thermal protection. This thermally broken metal system, provides an insulated barrier within the frame, offers considerable flexibility whilst complying with Part L of the Building Regulations.  Added benefits were the integral cascade water management system which drains moisture to the outside of the building.

“This particular project necessitated a mix of polycarbonate and glass glazing solutions given the situation and exposure of the roof solutions,” said Jim. “It is fair to say that both have their merits; polycarbonate is impact resistant and offers a diffused lighting to building users below. By contrast glass brings the full benefits of natural light, enhanced thermal protection, and sound reduction however, it can also be diffused to bring enhanced comfort to building users whilst retaining the clarity.”

Furthermore, all Xtralite systems comply with BS6399 system Part 1 (Code of Practice for dead and imposed loads), Part 2 (Code of Practice for wind loads) and Part 3 (Code of Practice for imposed/snow loads) delivering a premium solution of aesthetics and practicality.

Further information can be found by calling 01670 354 157 or visiting the website.

 

www.xtralite.co.uk 

 

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DOUBLE AWARD WIN FOR SIKA SARNAFIL PROJECTS AT SPRA AWARDS 2019

Market-leading single ply roofing manufacturer Sika Sarnafil and two of its Registered Contractors have triumphed at this year’s Single Ply Roofing Association (SPRA) Awards.

The awards, which recognise best practice within the single ply roofing industry, saw Exeter-based Progressive Systems Ltd take home the Best Safe Working award for their contribution to The Dunes development, while Harlow-based Contour Roofing (Essex) Ltd came out top in the Best Sustainability category for their work on the Temple Farm Development.

Announced at SPRA’s fifth annual conference and awards ceremony, held at Heythrop Park, Oxfordshire on Thursday 13 June, this year’s awards celebrated both people and projects, with prizes taken home across six project categories.

Progressive’s single ply installation at The Dunes, a stunning new beachfront development in Perranporth, Cornwall, was praised by SPRA for the safety measures taken amidst challenging weather conditions.

Progressive’s Levi Stephens, dedicated contracts manager for the project, comments on the win: “We’re over the moon to have been recognised for our strong commitment to workforce safety in this year’s SPRA Awards. Installing single ply on this job was challenging, not only due to having a large area to cover, but also due to disruption caused by the coastal climate. With strong winds and driving rain, we had to ensure our workers’ complete safety was taken into account. However, by combining a systematic and thorough coverage of each roof block, high quality products and the expertise of both our roofers and Sika Sarnafil’s technicians, the roofing installation was finished on time and within budget.”

Temple Farm Development, a huge multi-roof project that saw a 34-hectare scrapyard transformed into new national headquarters for the Watch Tower Bible and Tract Society of Britain, also impressed at the awards. SPRA said the project was a clear winner in its category for achieving a BREEAM ‘Outstanding’ rating upon completion and demonstrating a sustainable approach from the outset. Additional praise was given for the project’s biodiverse green roofing system, designed to boost the local flora and fauna above the Sarnafil membrane, while the contractor was also praised for ensuring the community and environment were respected during installation, which included designing work methods to minimise noise, dust and traffic.

Contour Roofing’s managing director Jonathan Woods says: “We’re delighted that our work on Temple Farm development was recognised at the SPRA Awards. Although challenging, it was a very enjoyable development to work on and we are all very proud of the finished result. Not only did the project result in outstanding sustainability credentials, but the use of Sarnafil products helped to create a durable roofing system, save on costs and secure an all-encompassing Sika Sarnafil guarantee.”

John O’Raw, Head of Sales – Single Ply Membrane at Sika, adds: “We’re thrilled to see these projects shine at the SPRA Awards. Both are a testament to the robustness and flexibility of the Sarnafil Single Ply Membrane, which is showcased by the fact that these projects won based on overcoming challenging aspects and providing excellent sustainability benefits. We are incredibly proud of both projects, not only for excelling at the SPRA Awards, but for the hard work and dedication paid by all those involved.”

http://gbr.sarnafil.sika.com

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