ALUK 58BW Flush Casement

A high performing flush aluminium window solution.

The AluK flush casement windows combine minimal sightlines with maximum durability & weather resistance.

  • Certified under the Secured By Design scheme
  • Tested to PAS 24
  • Features integrated deep head profiles for ease of trickle ventilation
  • A polyamide thermal break design to improve thermal performance
  • Glazing options ranging between 24mm - 40mm
  • Available in a range of single or dual colours
Aluk 85bw flush window manufacturer
TECHNICAL SPECIFICATION

SPECIFICATION

CASEMENT
FRAME DEPTH 70mm
DUAL COLOUR OPTION
MULTI-POINT LOCKING
GLAZING OPTIONS Internal and External Bead
GLAZING THICKNESS 24mm – 40mm
SIGHTLINE (FRAME TO VENT) 75mm
SIGHTLINE (VENT TO MULLION) 112mm
SIGHTLINE (FIXED LIGHT) 53mm

PERFORMANCE

PERFORMANCE CASEMENT
U-VALUE (DOUBLE GLAZING) 1.5 W/m²K
U-VALUE (TRIPLE GLAZING) 1.2 W/m²K
WINDOW ENERGY RATING B – C
GREEN GUIDE RATING A Rated
ACOUSTIC PERFORMANCE  Rw (C;Ctr) 42 (-1;-5) dB
AIR TIGHTNESS
WATER TIGHTNESS Class 9a (600 Pa)
WIND LOAD Class E2400 (2400 Pa)
SECURITY PAS 24
3RD PARTY CERTIFICATION Q-mark
SECURED BY DESIGN Yes

SIZE LIMITS

CASEMENT
Top hung (max weight)  35kg
Tilt before turn (max weight)
Side hung (max weight) 26kg
Bottom hung (max weight)  50kg (2 hinges)
Top swing (max weight)
Side swing (max weight)
Fixed light (max weight) 250kg
Unique Designs Click To Learn More

Bespoke Aluminium Flush Casement Windows to Suit Your Style Preferences

Our AluK 58BW Flush system has been designed to suit a range of property designs. The profile consists of a number of customisation options, allowing both homeowners and trade suppliers to create a unique flush casement profile that is tailored to your exact project requirements.

Available in a selection of single colours and dual colour options as well as anodised finishes, the London flush casement windows system can be coloured to suit the architecture of any property. You can opt for a more traditional and classic colour choice, or opt for a bolder and more contrasting range of shades.

The flush casement windows from AluK 58BW Flush range are available in a variety of configurations. This includes top hung casement windows, as well as bottom, hung, side hung, fixed light, multi light and French casement designs. You also have the option of whether the flush casement windows are designed in a Flush, Bay, Chamfered, Heritage, Ovolo or contemporary aesthetic.

The frames depth of the flush casement windows is available in either 58mm or 70mm, with additional glazing options ranging between 24mm and 40mm. The range of personalisation options allows you to tailor your new flush aluminium window to suit the style of any UK project.

View Our VR Showroom

Take a look at our virtual showroom, and you can experience our range of aluminium flush windows for yourself. With a range of profiles and other products on show, you can get a better insight into the impressive performance and visual benefits the flush casement windows offer.

Watch our videos

Take a look at our range of videos and see for yourself how our aluminium windows in London function. We have a vast selection of videos you can view.

Lasting Quality Click To Learn More

Improved Desing Offer Lasting Quality

Innovatively designed and stringently tested, you can trust that the AluK 58BW flush casement windows are manufactured to stand the test of time and provide impressive standards of longevity. The flush aluminium windows are perfect for a variety of projects, so whether you are undertaking a large, small or bespoke project, the custom designed windows are the perfect solution.

The AluK flush system has Secured by Design accreditation. The police backed scheme ensures that every property is fitted with high quality products that exceed standards of security. This gives you complete peace of mind that the flush casement windows in London are designed with quality performance in mind.

Our flush aluminium windows have also been tested to PAS 24, further enhancing their security features, guaranteeing every property is fitted with secure and durable aluminium windows. The robust flush casement windows will protect your property from adverse weather conditions and keep unwanted visitors out.

Browse our Flush Casement Windows brochures

Take a look at our brochures below. View the ALUK 58BW flush casements windows brochure in particular for technical specifications and information.

Incredible Benefits Click To Learn More

Innovative Aluminium Flush Window Design

Our AluK 58BW flush casement windows are designed with performance in mind. The aluminium flush window boasts a range of incredible benefits that improve the functionality of any UK property.

The modern aluminium flush casement windows designs offer U-values of 1.5 W/m²K and a ‘B-C’ Window Energy Rating. This guarantees exceptional energy efficiency for the property they are fitted into. To further enhance the thermal performance, the profiles feature a unique polyamide thermal break. This helps to keep the colder temperatures out of the property and retain heat for longer.

The AluK 58BW flush casement windows we provide offers water and acoustic barriers using the latest materials and technologies. By investing in these bespoke aluminium flush windows, you can expect long lasting performance that will keep any home performing efficiently for longer.

Manufactured using precision engineered aluminium, you can trust that the aluminium flush casement windows will offer exceptional durability and security. Unlike their timber and uPVC counterparts, the AluK flush system will be resistant against warping and rotting. Year after year, the quality of the aluminium flush windows will remain at high standards, removing the need for the profiles to be replaced or repaired.

Get a Quote Today


You can get in touch with Arkay today and request a free quote for your new flush casement windows. The profile is perfect for a range of residential and commercial properties, and our expert team can assist you during every step of your flush casement windows project. We also stock the incredible AluK 58BW steel windows and AluK 58Bw window systems, so you can be sure to find aluminium windows that are perfect for your every need.

You can send us your flush casement windows queries via our online contact form or give us a call on 01923 803 923. A member of our expert team will be happy to provide you with any further information you require and offer any advice you may need.

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