ALUK Flush Casement Windows Watford

ALUK Aluminium Flush Casement Windows Watford

Herts Glass’s ALUK 58BW HI Flush Casement Windows Watford, crafted from aluminium yet designed to echo the charm of steel, provide an excellent replacement option for existing steel windows. With their refined, slim profile, they radiate a sense of luxury and sleek aesthetic appeal. These windows, a testament to our innovative design approach and superior workmanship, deliver optimal insulation, acoustic performance, and remarkable sturdiness.

Our ALUK 58BW HI Flush Casement window Watford is highly versatile, with a range of profiles that can be customised to traditional sculptured or modern flush aesthetics, ensuring they complement any property style. All our windows are fully fabricated and assembled, with all hardware fitted and beads precisely cut to size.


58mm or 70mm frame depth to accommodate
varying types of applications
Internally or externally glazed
Double and Triple Glazing available
Single Colour
Dual Colour
Over 150 different RAL colours
Textured Finish
Anodised Finish
Multi-Point Locking


U-Value (Double Glazing) (Ug: 1.0 W/m2K) 1.5 W/m²K
Window Energy Rating (WER) B-C


Air Permeability Class 4 (600 Pa)
Water Tightness Class 9a (600 Pa)
Wind Resistance Class E2400 (2400 Pa)
Acoustic Performance Rw (C;Ctr) 42 (-1;-5) dB
Security PAS 24 & SBD


Frame to Vent 74mm
Vent to Mullion to Vent 111mm
Dummy Sash 74mm

Advantages of Flush Aluminium Windows

Flush Aluminium Windows offer a myriad of benefits that enhance the functionality and aesthetics of your property. With a glazing range from 24mm to 40mm, they can be glazed either internally or externally based on your needs. Offering a variety of colour options, they are available in either single or dual colours, along with anodised finishes for that extra touch of elegance. Their aesthetic versatility encompasses flush, bay, chamfered, heritage, ovolo, and contemporary styles, ensuring a perfect match for every property design.

These windows have a robust 70mm frame depth, promising durability. Additionally, they come in various configurations including top hung, bottom hung, side hung, fixed light, multi-light, and French casement, catering to a wide range of functional requirements. Thus, Flush Aluminium Windows present a flexible, attractive, and resilient window solution.

As specialists in replacing steel windows, we offer this high-performance aluminium window solution, featuring a choice of five vent sections, that authentically replicates the original steel frames. These aluminium windows ensure enhanced security, offer a comprehensive range of colours, and provide outstanding thermal benefits.

Our commitment to quality is reflected in each installation being registered with Certass, the industry’s trusted governing body. By choosing Herts Glass, you opt for peace of mind and long-lasting performance, because your home deserves the very best. Contact us today for a free quote!