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Polycarbonate Rooflights - FAQs

Trade Access Panels

At Trade Access Panels, we are often asked questions from customers regarding the Polycarbonate Rooflights which we supply. We have tried to note down the most frequently asked questions below to hopefully assist you.

Triple Layer vs Double Layer Polycarbonate Rooflight

Trade Access Panels

When selecting your new polycarbonate rooflight, the main deciding factor should be how energy efficient you need or want it to be. In this process it is important to ascertain the rooflight’s U-value. U-values measure how effective a rooflight is as an insulator. The lower the U-value the more thermally efficient your polycarbonate rooflights will be.

Freedom in Design - An Overview of Palram Projects in Polycarbonate

Palram Europe Ltd

The video shows a glimpse of previous projects using Palram polycarbonate panels. Palram's Projects Support Center consists of a dedicated team of experienced professionals, leveraging Palram’s expertise in panel extrusion. We offer design & engineering services and provide architects and building professionals with a comprehensive and holistic solution for their architectural and construction projects. Over the past two decades, the Palram Projects Support Team had a key role in the realization of world renowned sports venues, major transportation hubs and roadways, as well as large scale commercial, industrial and agricultural facilities.

Sliding Glass Roof and Polycarbonate Curtain Walling at Cubana

Breezefree Ltd

A dated conservatory area is transformed by Breezefree with a retractable glass roof and polycarbonate curtain walling. Nagan Johnson Architects approached Breezefree to refurbish a dated conservatory area as part of the fit-out of the Cuban restaurant group’s second site in London’s Smithfield district. The brief required a modern retractable glass roof, to replace the old lean-to rooflight, and translucent curtain walling, to replace the dilapidated brick walls and windows...

Oaklands Secondary School - Bespoke Glass and Polycarbonate Canopies

Able Canopies Ltd

Able Canopies were commissioned by Bouygues (UK) Ltd to produce five bespoke canopies at Oaklands School in Tower Hamlets, London. These canopy installations were part of a major Building Schools for Future (BSF) project managed by Bouygues (UK) Ltd to refurbish parts of the school and construct a new building at the site. The canopies were crucial to bringing the whole look and feel of the refurbished site together and so communication, teamwork and painstaking attention to detail were vitally important to ensure a successful installation.

Wigan Wallgate Station roof glazing project.

Twinfix Limited

The Multi-Link-Panel system glazed with Georgian wired polycarbonate from pioneering polycarbonate roofing supplier Twinfix was specified by Network Rail for the entrance canopy element of a £1 million refurbishment of historic Wigan Wallgate station in Lancashire. The glazing panels, each comprising fast-track “fix and link” aluminium structural bars glazed with 6mm solid Georgian wired polycarbonate, were pre-assembled at Twinfix’s factory in Warrington, Cheshire, for delivery to site for installation by specialist contractor Everlast Rail.

Aberdeen Station Case Study

Twinfix Limited

Over the years Twinfix have supplied modular polycarbonate panels for use as rooflights in many railway stations and depots. Replacing the old canopy glazing used at rail stations with products from Twinfix’s range of polycarbonate glazing options floods the area with daylight while eliminating the common issues that occur with historic railway roof-glazing.

Victoria Station Refurbishment

Twinfix Limited

We reglazed the porte cochere at Victoria Station using our aluminium-framed Multi-Link-Panel fitted with our Georgian wired polycarbonate glazing. This virtually unbreakable glazing mimics the traditional Georgian wired glass that would have been fitted to the three roofing areas when it was first built, but it has all the many benefits of polycarbonate, as well as Heritage approval for use at this prestigious and busy London station.

London Olympic Stadium

Brett Martin Daylight Systems

The Olympic Stadium’s transformation into a multi-use stadium has seen the specification of Marlon CS polycarbonate rooflights. The 44,000m² roof is the largest cantilevered roof worldwide and includes 4,484 polycarbonate sheets. The project was a feat of production and delivery logistics with each sheet cut to size forming 2,756 unique shapes and labelled with a unique placement code to ease installation. With the stadium width 84 metres at its deepest, the transparent roof covers all 54,000 spectator seats protecting fans from the elements as well as ensuring optimum grass growth for pitch perfect conditions.

Case Study - Rhyl Station

Twinfix Limited

With its team of experts in the polycarbonate and roof glazing fields, Twinfix works on developing the best, newest and most cost effective roof glazing products. A family business, Twinfix has been involved in the polycarbonate roof glazing market for nearly 30 years. Its innovative Multi-Link-Panel has been used in many markets, such as in the replacement of broken glass or failed PVC in station canopies and depot roof lights, where its patented fixing method results in incredibly quick installation times, a real bonus when working with limited possession times.

St Mary’s Catholic Primary School, Whitehaven

Twinfix Limited

The new canopy we recently installed at St Mary’s Catholic Primary School in Whitehaven has provided their nursery children with an additional 32 square metres of covered outdoor learning and playing space. Powder coated in RAL 5010 Matt Blue, the aluminium frame has a roof glazed with our Multi-Link-Panels NF fitted with 25mm opal multiwall polycarbonate glazing. The NF indicates that these panels pass the recommended drop test, ACR[M]001:2014, achieving a Non-Fragile designation. The polycarbonate glazing incorporates a special coating that prevents the passage of UV in sunlight, so it will help to give protection to those underneath.

Sports Ireland National Indoor Arena

Brett Martin Daylight Systems

Brett Martin Daylight Systems’ Marlon Clickfix VF polycarbonate glazing system is delivering exceptional natural daylight inside Dublin’s National Indoor Arena. The system has been used to create a bright, appealing interior that will help provide the perfect environment for sports, whilst providing exceptional aesthetics.

PALGARD™ Pedestrian Bridge Glazing in Denver, Colorado, USA

Palram Europe Ltd

The designer identified the benefits of Palram's PALGARD hard coated monolithic Polycarbonate for the bridges’ glazing material. Critical considerations were safety, resistance to physical impact, vandalism and graffiti, adverse weather conditions, aesthetics and high light transmission. Clear and bronze panels achieve the required transparency, light transmission, and overall look and feel.

A puzzle of SUNLITE panels at VTB Arena, Moscow

Palram Europe Ltd

What challenges were the planners of Moscow's VTB Arena facing? How did the mega complex achieve its unique look? What solutions did Palram's multiwall polycarbonate sheets deliver? Find out how construction engineers, polymers specialists and logistic teams dealt with new challenges day-by-day, to make one of the world's most inspiring projects possible.

PALSUN® Pool Cover Gold Coast, Australia

Palram Europe Ltd

Palram’s PALSUN polycarbonate sheets were chosen to boost daylighting & to improve the overall atmosphere at the gold coast residential pool. Critical considerations were sheet weight and impact resistance. Palram provided all the specification details to customize the system for the application. A high-performance enclosure, sealing the transparent roof system to sliding glass doors and windows optimizes ventilation and temperature control inside the space.

Twinfix Marks First Use of its Bolted Glass Canopies

Twinfix Limited

In 2018, pioneering polycarbonate roofing supplier Twinfix marked the first use in the UK of its premium bolted glass canopy. In fact, two of its new “spider-bolt” contemporary canopies have been used at the new Trumpington Park Primary School which supports the new Great Kneighton housing development near Cambridge, along with an existing secondary school and existing library building.

St Joseph's Catholic Primary School - Timber Canopy

Able Canopies Ltd

Speltham Contacts Ltd. contacted us because they were working on a project at St Joseph’s Catholic Primary School in Haywards Heath, West Sussex. They were undergoing a big extension to allow them to cater for 105 extra children. Morgan Carn Partnership Architects who were also working on the project, specified a curved free standing timber canopy with a polycarbonate roof system and aluminium guttering.

SUNPAL Skylight at the Ringwood Aquanation Centre in Melbourne, Australia

Palram Europe Ltd

Palram worked with the architects on Aquanation from 2012 until its completion in 2015. The specified roofing system, SUNPAL White Opal Diffuser Plus 18 mm, features a double diffuser effect to soften the transmitted natural daylight as well as the inner reflections of electric lighting during dark hours. The multiwall polycarbonate architectural panel system was integrated into the skylights along with 3 types of curved roof deck finishes. Palram provided a unique span-bar rafter system with a custom bracket design to enable this challenging installation.

Cardiff Ice Arena

Brett Martin Daylight Systems

Marlon Clickfix1040 polycarbonate glazing panels in a range of geometric shapes played a significant role in the design of the Ice Arena Wales, bringing light and exceptional aesthetics to this world-class facility near Cardiff bay. Ice Arena is home to the Cardiff Devils and is a 3,000 seat arena featuring an Olympic standard primary rink for hockey and figure skating. More than 450m2 of Marlon Clickfix RL were cut-to-fit and installed to provide a daylighting solution which offered optimum light transmission, ease of installation and suit the angular metal cladding profile.

Leighton Buzzard Station

Brett Martin Daylight Systems

Mardome rooflights were specified for this very unusual roof layout with its lattice arrangement of rooflights. As only the glazing element of the rooflights needed replacing Mardome Reflex was the perfect solution and technical experts from Brett Martin carried out a site survey and subsequent visit to replace one of the original domes, ensuring a perfect fit before manufacturing 130 Mardome Reflex rooflights for the whole roof. Supplied with clear polycarbonate the rooflights will offer the station co-extruded UV protection which will protect the rooflights for at least 20 years.

The key to Success Circular Rooflights

Surespan Ltd

Surespan supplied a number of circular dome rooflights with triple layers to The Key, situated in the new Science Central development at Newcastle University. These large 1500 (49”) and 2000 (79”) diameter polycarbonate domes feature triple layers providing a U-value of 1.8 W/m²K. The rooflights were supplied with electric opening actuators to allow ventilation to control the temperature of the fabric structure. Surespan Dome skylights were specified due to their high sustainability and small impact on the environment. The triple layers ensure compliance with energy saving requirements and offer excellent air tightness.

West Kirby Railway Station

Whitesales Rooflights

West Kirby railway station’s 1930s platform canopy was long overdue refurbishment. Whitesales were brought in by Briggs Amasco, Network Rail’s roofing contractor, to design, manufacture and install a series of non-fragile rooflights for the 900sq m replacement roof. After our initial roof survey, we specified bespoke polycarbonate Em-Vault continuous barrel vault rooflights. They’re compatible with the chosen Sika Liquid Plastics roofing system and have light transmission of up to 88%. The standard mill finish frame would keep costs low and blend with the canopy's concrete finish.

Here East

Brett Martin Daylight Systems

The former press and broadcast centre in London’s Olympic Park has been transformed into the one of the biggest European tech hubs, with Marlon Clickfix RL glazing system glazed with Marlon Clickfix 1040 polycarbonate panels. One of the challenges for the architect was finding a thermally- efficient rooflight solution which would work at a low 7° pitch. Marlon Clickfix 1040 has interlocking connections that click into place forming glazed areas of unlimited size and shape. It provides a low pitch rooflight maximising natural light achieving the required performance of highly sustainable buildings, and creates a bright, naturally-lit environment.

BoxPark Marketplace

Brett Martin Daylight Systems

With the pop-up culture seen as a fast, low-cost solution to revitalising urban environments, Brett Martin Daylight Systems’ lightweight, robust Marlon CS profiled polycarbonate glazing panels have been an integral element in the creation of Boxpark Croydon, a new pop-up mall featuring shopping and dining venues built from 96 stripped and refitted shipping containers arranged around a covered courtyard space for year-round events. The project saw the creation of a transparent roof made up of Marlon CS Longlife panels which can be used to form complete roof coverings or incorporated into any corrugated metal roofing and cladding system.

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