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Our Skyline Box range of glazing bars offer an economical roof glazing solution when compared with curtain walling roofing systems. The glazing bar's strength is provided by an internal box section. The glazing bar is weathered by a screw on pressure cap (PC1) with a choice of plain (PC2) or ornate (PC3) cosmetic outer snap-on cappings to conceal all fixing screws.



When used with high performance double glazing units with warm edge spacer bars and argon gas filling this system can achieve an overall U Value of 1.4W/ m²K to comply with Building Regulation Document L.


Our Skyline range of glazing bars offer an economical roof glazing solution incorporating slim sightlines. The glazing bar's strength is provided by an internal stalk (or fin) which is cut away at the top and bottom main fixing positions.
An internal snap-on ornate capping system (PC4) is also available if desired to fully conceal the internal stalk giving the appearance of a feature timber rafter.



When used with high performance double glazing units with warm edge spacer bars and argon gas filling this system can achieve an overall U Value of 1.4W/ m²K to comply with Building Regulation Document L.


Timber rafters (supplied by the builder or joinery sub-contractor) will create an appealing visual effect inside any home and are totally protected from the effects of weathering by our externally clad Rafterline Patent Glazing system.
Due to the pleasing aesthetics of aluminium and timber materials our Rafterline system is the most popular specifiers choice for domestic projects.



When used with double glazing and thermal breaks this system is easily capable of providing an overall U Value of 1.6W/ m²K to comply with Building Regulation Document L.


Our Traditional patent glazing system remains our customers most popular choice for use on unheated spaces such as Railway Stations, glazed canopies and covered ways where thermal properties are not a consideration.
This system has been installed on thousands of projects nationwide and is available with a choice of capping systems to suit your needs.
A truly great glazing system combined with economy and a proven track record. 30,000m² of this glazing system has been installed by us on many major railway stations throughout the UK in recent times.



This system is capable of accommodating solid or multi-wall polycarbonate sheets or double glazed units up to 28mm thick if used on unheated spaces or where compliance with Building Regulations Document L are not a consideration.


Our 'Heritage' Patent Glazing Bar range is truly unique amongst roof glazing systems; there are no alternative products available on the market which can match an original lead covered steel patent glazing bar which originates from the Victorian era. This range has been manufactured by us unaltered for over a century and is the perfect product for listed buildings and for use in the refurbishment of significant and historic buildings. This system is also still very popular for new build projects and should not to be overlooked on today's modern buildings where a unique character look is desired.

 


The most relevant British Standard we adhere to is BS 5516 parts 1&2 which relate totally to Patent Glazing systems. There are also numerous other British Standards and BS EN standards which our glazing systems also comply with. A comprehesive list of these standards are shown below.

 

 
  • Glazing Bar Spacings




General
BS 5516-1 Code of practice for design and installation of sloping and vertical patent glazing.
BS 5516-2 Patent Glazing and Sloping Glazing for Buildings

Design & Safety
BS 6262-4 Glazing for buildings. Safety related to human impact.
BS 6399-1 Loading for buildings. Code of practice for dead and imposed loads.
BS 6399-2 Loading for buildings. Code of practice for wind loads.
BS 8118-1 Structural use of aluminium. Code of practice for design.
BS 8213-1 Windows, doors and rooflights. Code of practice for safety in use and during cleaning of windows including door height windows and roof windows.
BS EN 12056-3 Gravity drainage systems inside buildings, roof drainage, layout and calculation.
BS EN 14024 Metal profiles with Thermal Barriers – Mechanical Performance – requirements, proof, tests
CP 153-2 Windows and rooflights. Durability and maintenance.

Finishes – Aluminium
BS 3987 Specification for anodic oxidation coatings on wrought aluminium for external architectural applications.
BS 4842 Specification for liquid organic coatings for application to aluminium alloy extrusions, sheet and preformed sections for external architectural purposes, and for the finish on aluminium alloy extrusions, sheet and preformed sections coated with liquid organic coatings.
BS 6496 Specification for powder organic coatings for application and stoving to aluminium alloy extrusions, sheet and preformed sections for external architectural purposes, and for the finish on aluminium alloy extrusions, sheet and preformed sections coated with powder organic coatings.
BS EN 12206-1 Paints and Varnishes. Powder Coating of Aluminium and Aly Alloys for Architectural purposes BS EN 12373-1 Aluminium and aluminium alloys. Anodizing. Method for specifying decorative and protective anodic oxidation coatings on aluminium.
BS EN 12373-2 Aluminium and aluminium alloys. Anodizing. Determination of mass per unit area (surface density) of anodic oxidation coatings. Gravimetric method.

Other Metals and Materials
BS EN 1774 Zinc and zinc alloys. Alloys for foundry purposes. Ingot and liquid.
BS EN 10268 Cold-rolled flat products made of high yield strength micro-alloyed steels for cold forming. General delivery conditions.
BS EN 12844 Zinc and zinc alloys. Castings. Specifications.
BS EN ISO 3506-1 Mechanical properties of corrosion-resistant stainless-steel fasteners. Bolts, screws and studs.

Metal Finishing
BS 3382(various) Specification for electroplated coatings on threaded components.
BS 6338 Specification for chromate conversion coatings on electroplated zinc and cadmium coatings.
BS EN ISO 1461 Hot dip galvanized coatings on fabricated iron and steel articles. Specifications and test methods.
PD 6484 Commentary on corrosion at bimetallic contacts and its alleviation

Gaskets & Sealants
BS 2571 Specification for general-purpose flexible PVC compounds for moulding and extrusion.
BS 4255-1 Rubber used in preformed gaskets for weather exclusion from buildings. Specification for non-cellular gaskets.
BS 5215 Specification for one-part gun gradepolysulphide-based sealants.
BS 5889 Specification for one-part gun grade silicone-based sealants.
BS EN ISO 11600 Building Construction – Jointing Products, classification and requirements for Sealants

Glass
BS 952-2 Glass for glazing. Terminology for work on glass.
BS 6206 Specification for impact performance requirements for flat safety glass and safety plastics for use in buildings.
Note: BS 6206 replaced by BS EN 12600 for glass testing
BS 6262 Code of practice for glazing for buildings (partially replaced)
BS 6262-1 Glazing for Buildings. General methodology for the selection of glazing.
BS 6262-2 Glazing for Buildings. Code of practice for energy, light and sound.
BS 6262-3 Glazing for Buildings. Code of practice for fire, security and wind loadings.
BS 6262-4 Glazing for buildings. Code of practice for safety related to human impact.
BS 6262-6 Glazing for Buildings. Code of practice for special applications.
BS EN 356 Glass in building. Security glazing. Testing and classification of resistance against manual attack. BS EN 572-1 Glass in building. Basic soda lime silicate glass products. Definitions and general physical and mechanical properties.
BS EN 673 Glass in Building. Determination of Thermal Transmittance (U value). Calculation method
BS EN 1063 Glass in building. Security glazing. Testing and classification of resistance against bullet attack. BS EN 12150-1 Glass in Building – thermally toughened soda lime silicate safety glass – definition & description.
BS EN 12150-2 Glass in Building – thermally toughened soda lime silicate safety glass – evaluation of conformity/product standard.
BS EN 12600 Pendulum test – impact test method for flat glass and Classification.

Thermal Performance
BS EN ISO 10077-1Thermal performance of windows, doors and shutters – Calculation of thermal transmittance – Part 1: Simplified method.
BS EN ISO 10077-2 Thermal performance of windows, doors and shutters – Calculation of thermal transmittance – Part 2: Numerical method for frames.
BS EN ISO 12567-1 Thermal performance of windows and doors – determination of thermal transmittance hot box method – Part 1: Complete windows and doors
ISO 15099 Thermal performance of windows, doors and shading devices – detailed calculations

Fire
BS 476-4 Fire tests on building materials and structures. Non-combustibility test for materials.
BS 476-6 Fire tests on building materials and structures. Method of test for fire propagation for products.
BS 476-7 Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products.
BS 476-20 Fire tests on building materials and structures. Method for determination of the fire resistance of elements of construction (general principles).
BS 476-22 Fire tests on building materials and structures. Methods for determination of the fire resistance of non-loadbearing elements of construction.
BS EN 14600 Doorsets and openable windows with fire resisting and/or smoke control characteristics. Requirements and classification.

Aluminium & Aluminium Alloys
BS EN 485-1 Sheet, strip and plate. Technical conditions for inspection and delivery.
BS EN 485-2 Sheet, strip and plate. Mechanical properties.
BS EN 485-3 Sheet, strip and plate. Tolerances on dimensions and form for hot-rolled products.
BS EN 485-4 Sheet, strip and plate. Tolerances on shape and dimensions for cold-rolled products.
BS EN 515 Wrought products. Temper designations.
BS EN 573-3 Chemical composition and form of wrought products. Chemical composition
BS EN 573-4 Chemical composition and form of wrought products. Form of Products
BS EN 755-1 Extruded rod/bar, tube and profiles. Technical conditions for inspection and delivery.
BS EN 755-2 Extruded rod/bar, tube and profiles. Mechanical properties.
BS EN 755-3 Extruded rod/bar, tube and profiles. Round bars, tolerances on dimensions and form.
BS EN 755-4 Extruded rod/bar, tube and profiles. Square bars, tolerances on dimensions and form.
BS EN 755-5 Extruded rod/bar, tube and profiles. Rectangular bars, tolerances on dimensions and form.
BS EN 755-6 Extruded rod/bar, tube and profiles. Hexagonal bars, tolerances on dimensions and form.
BS EN 755-7 Extruded rod/bar, tube and profiles. Seamless tubes, tolerances on dimensions and form.
BS EN 755-8 Extruded rod/bar, tube and profiles. Porthole tubes, tolerances on dimensions and form.
BS EN 755-9: Extruded rod/bar, tube and profiles. Profiles, tolerances on dimensions and form.
BS EN 12020-1 Extruded precision profiles in alloys EN AW-6060 and EN AW-6063. Technical conditions for inspection and delivery.
BS EN 12020-2 Extruded precision profiles in alloys EN AW-6060 and EN AW-6063. Tolerances on dimensions and form.

Quality Control
BS 8000-7 Workmanship on building sites. Code of practice for glazing.
BS EN ISO 9001 Quality management systems - Requirements.