✓Timber finish: Finger-jointed if paint finish, laminated if stain finish. ✓Glaze gap: Argon gas filled: centre pane U value = 1.1W/m2k. All our sash windows can be fitted with Astragal (part integrated) 20mm or 25mm bars, or fully integrated 60 or 75mm bars to create a variety of different looks to suit the feel of the property they are being fitted in.
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