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Studio KF 410

Internorm Studio KF 410


If you’re looking for a window that is entirely flush from sash to frame, then the Internorm Studio KF410 uPVC Aluminium window is perfectly suited to you. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

The state-of-the-art Studio KF 410 is a passive house certified window, with thermal insulation U values as low as 0.62. This makes it a very cost effective solution. The KF 410 Internorm by Cherwell window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. This makes it very popular for use in single, multi-residential, social housing and school projects.


Internorm technology is integrated into this energy efficient window offering technological advances that are revolutionary in more ways than one.

  • I-tec Ventilation ensures fresh air at an ideal room temperature 365 days of the year.
  • I-tec Glazing boasts all-around fixing ensuring optimum stability, thermal insulation and sound reduction.

As a result of this innovative Internorm technology your KF 410 window truly continues to amaze.

If you wish to know more information on the Internorm Studio KF410 uPVC Aluminium window please click on the brochure button. Alternatively, contact us using the make an enquiry button and we will be in touch shortly or you can also speak to a one of our team on 01295477096 or visit one our showrooms, located in;

internorm Studio KF 410
  • Thermal insulation (in W/m2K)

    up to 0,62

  • Sound reduction (in dB)


  • Security


  • Locking


Technical Specifications

Dimensions (mm)
Frame construction depth 93
View width frame/sash 113
View width flying mullion (2 sashes) 133
View width transom/mullion (2 sashes) 187
Opening Versions
Fixed yes
Turn and turn/tilt yes
Tilt yes
Sliding window yes
Lockable doors yes
Sliding doors yes
Doors with threshold yes
Outward opening doors yes
Quantity 3
Colour Black
I-tec glazing yes
I-tec Ventilation yes
I-tec Insulation yes
Certified yes
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