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Homepure KF 410 uPVC

Internorm Homepure KF 410


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

With thermal insulation U values as low as 0.62, this window more than qualifies for its passive house certification. It also makes it a very cost effective solution.

The Internorm Homepure KF410 uPVC window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require.


Internorm technology is integrated into this energy efficient window offering revolutionary technological advances;

  • 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 by Cherwell Home Pure design style KF 410 uPVC window, please click on the brochure button. Alternatively, contact us using the make an enquiry button and we will be in touch shortly. You can also speak to a one of our team on 01295477096 or visit one our showrooms, located in;

internorm Homepure KF 410 uPVC
  • 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 Light Grey
I-tec glazing yes
I-tec Ventilation yes
I-tec Insulation yes
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