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iSteel EXT-ALi FIXED WINDOW

An aluminium, thermally broken frame with mitred joints and double or triple glazing options.

An iSteel EXT-ALi external non-opening window is an imposing option for allowing light transfer into a room, when there is no need for an opening function and the flush design lends itself to both contemporary and heritage projects.

Bespoke made to order, allowing design options such as colour, glass spec and cross bars to be tailor made to your requirements.

Request a bespoke quote

Call: 0330 1331 069
Email: sales@isteel.co.uk
Visit: Unit 18 Grange Lane Ind. Est., Barnsley, S71 5AS

iSteel EXT-ALi

Featuring a 54mm outer frame, EXT-ALi is one of the slimmest aluminium exterior products on the market with a thermally broken specification.

glass

All glass used is toughened for the highest possible safety standards.

Colour Options

Standard colours include black, white and anthracite grey, but most colours are possible.

This product is for external use only.

GLASS OPTIONS

iSteel EXT-ALi external products is available in Double Glazed or Triple Glazed options.

Double Glazed units are 28mm and achieve up to 1.3W/m2.k. Triple Glazed units are 44mm and achieve up to 1.2W/m2.k

double glazed

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triple glazed

isteel, steel glazed doors, steel glass doors, steel glass screens, interior steel doors, art deco doors, steel fixed screens, steel glazed single doors, steel glazed double doors, steel glazed sliding doors, steel glazed bi-folding doors, steel glazed bi-parting doors, steel glazed fire rated doors

COLOUR OPTIONS

iSteel EXT-ALi is finished with a tough, durable polyester powder coat, certified to the Qualicoat standard, surpassing European requirements.

isteel, steel glazed doors, steel glass doors, steel glass screens, interior steel doors, art deco doors, steel fixed screens, steel glazed single doors, steel glazed double doors, steel glazed sliding doors, steel glazed bi-folding doors, steel glazed bi-parting doors, steel glazed fire rated doors

Matt White RAL9003

isteel, steel glazed doors, steel glass doors, steel glass screens, interior steel doors, art deco doors, steel fixed screens, steel glazed single doors, steel glazed double doors, steel glazed sliding doors, steel glazed bi-folding doors, steel glazed bi-parting doors, steel glazed fire rated doors

Matt Black RAL9005

isteel, steel glazed doors, steel glass doors, steel glass screens, interior steel doors, art deco doors, steel fixed screens, steel glazed single doors, steel glazed double doors, steel glazed sliding doors, steel glazed bi-folding doors, steel glazed bi-parting doors, steel glazed fire rated doors

Matt Anthracite RAL7016

isteel, steel glazed doors, steel glass doors, steel glass screens, interior steel doors, art deco doors, steel fixed screens, steel glazed single doors, steel glazed double doors, steel glazed sliding doors, steel glazed bi-folding doors, steel glazed bi-parting doors, steel glazed fire rated doors

Dual Colour

isteel, steel glazed doors, steel glass doors, steel glass screens, interior steel doors, art deco doors, steel fixed screens, steel glazed single doors, steel glazed double doors, steel glazed sliding doors, steel glazed bi-folding doors, steel glazed bi-parting doors, steel glazed fire rated doors
FRAME

Featuring a 54mm outer frame, iSteel EXT-ALi is one of the slimmest aluminium exterior products on the market with a thermally broken specification.

 

  • 54mm outer frame
  • 70mm front to back (depth)
  • Standard, stub and low threshold options
  • 25mm face applied transom & mullion bars option with intra spacer bars to give the appearance of separate panes.
GLASS

All glass used is toughened for the highest possible safety standards (Double Glazed)

 

  • Clear
  • 28mm Argon Filled, Double Glazed units. Argon Filled Double Glazing significantly lowers the U-Value
  • Low-E Coating (to minimize the amount of harmful ultraviolet rays without compromising visible light)
  • Glazing U-Value 1.2 (The lower the U-value, the better insulated the building).
  • Intra-bars and colour coded spacers, set within the double glazed unit allows cross bar designs to appear as though they were one continuous piece from inner to outer.
  • Face applied transoms and mullions precisely positioned to reflect Intra-Bars. This use of Intra-bars and surface mounted detail allows Slim Profiles to be maintained without compromising on U-Values.
COLOUR

Standard colours including Black, White and Anthracite Grey but most colours are possible.

USE

This product is for external use only.

ISTEEL EXT-ALI

Featuring a super slim frame

Made from the highest grade aluminium in the uk to bespoke dimensions and design, the design options are impressive with standard and low threshold choices to suit user requirements.

iSteel EXT-ALi exterior product is performance orientated, built to keep heat in and cold out. The thermally broken design acts as a barrier preventing the transfer of temperatures from the exterior to the interior. Triple glazing achieves a u-value of 1.2 w/m2k and double glazing achieves 1.3w/m2k.

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servicing zones

Zone 1: Lancaster, Ripon, York, Leeds, Wakefield, Sheffield, Hull, Manchester, Liverpool, Chester, Lincoln, Nottingham, Derby, Leicester and surroundings.

Zone 2: Carlisle, Newcastle, Durham, Birmingham, Coventry, Peterborough, Cambridge, Ely, Worcester, Gloucester, Hereford, Bangor and surroundings.

Zone 3: Swansea, Cardiff, Bristol, Salisbury, Winchester, Oxford, London, Clemsford, Norwich, Wells and surroundings.

Zone 4: Glasgow, Edinburgh, Stirling, Perth, Dundee, St Davids, Plymouth, Exeter, Southhampton, Portsmouth, Brighton, Canterbury and surroundings.

isteel servicing zones

Why choose bespoke iSteel

Please call us directly or email us at the address below if you require any assistance.

Design

iSteel have our own dedicated design team that will work with you to create the perfect design solution, tailored to your bespoke requirements.

Steel Quality

Our frames are made from 100% real steel, the benefit of which is a superior build quality and strength. iSteel products are hand welded by master craftsmen in our Yorkshire based state of the art facility.

Colour Options

Our steel frames are Powder Coated for a high quality durable finish. Standard colours include black, white and anthracite with a luxurious textured hand feel. Other colours and finishes such as Anodised Bronze and Brass are available, speak to our sales team for prices.

Glass Options

6mm toughened safety glass is used as standard, but options such as fluted, reeded, frosted and tinded are available. Speak with our sales team for prices.

Door Options

Swing, bi-folding, bi-parting and sliding options are available. Our designers will suggest the best option for your project.

Installation

After undertaking a thorough, professional survey we re-confirm all the details to you, including any variation in price. The way we work is transparent. We want to make sure that you know exactly what we will supply & install and how much it will cost.

Warranty

All iSteel products have a 12-month warranty for mechanisms and a factory warranty for components. The warranty does not cover damage caused by negligent operation or deliberate damage.

Order Process

Ordering from iSteel is simple, send us your enquiry and our sales team will guide you through the process. For more information, please visit our order process page.