Flush Casement

Windows

Double glazed U=1.2


Composite finish Pas24 Certified

Flush Casement

Flush casement windows offer clean lines and classic finishes to suit a wide variety of homes, from ultra-contemporary residences to characterful older buildings.

Zyle Fenster’s flush casement windows are available in knot-free, finger-jointed, laminated redwood, hardwood or Accoya. The high quality of these windows offers outstanding weather resistance and enhanced security. Our flush casement windows have been independently tested to BS 7950:1997 and to BS6375 Part 1 and Part 2.

Our flush casement windows are available in two different options: 0.79 flush casement and 1.20 flush casement. They offer side, top and reversible opening styles.

The 0.79 flush casement window is ideal for low energy homes and Passivhaus projects. It achieves on of the best U values available: as low as 0.79 W/m2K for the triple glazed 44 mm unit.

Performance information on the 0.79 flush casement is detailed in the table below.


U value W/m2K
Glass specification
1.30*1.20**1.00***
Resistance to wind load
Test pressure (Pa)
1
400
2
800
3
1200
4
1600
5
2000
Exxxx
>2000
Wind Resistance
Frame deflection
A
(< 1/150)
B
(< 1/200)
C
(< 1/300)
Water tightness
Classification (A)
Test pressure (Pa)
1A
(0)
2A
(50)
3A
(100)
4A
(150)
5A
(200)
6A
(250)
7A
(300)
8A
(450)
9A
(600)
E900
(> 600)
Air Permability
Maximum test pressure (Pa)
Air permability at 100 Pa
1
(150)
(56km/h) < 50
2
(300)
(80km/h) < 27
3
(600)
(113km/h) < 9
4
(600)
(113km/h) < 3

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