
BOX SASH WINDOWS
TECHNICAL DETAILS
Traditionally made to the highest standards we can manufacture new box sash windows to meet your individual requirements. However our standard details are listed below.
TECHNICAL SPECIFICATIONS
Window Types
Traditional Hung
Weights, cords and pulleys
Spiral hung
Pre-tensioned spring balances
Timber
European Oak
Accoya™
Profile
Standard Ovolo moulding on sashes
Standard sash thickness 43mm / 49mm to suit
Standard box thickness 140mm / 150mm to suit
Glazing (new windows)
Double glazed (Document L and EN 1279 compliant)
Internal 4mm low E glass
Cavity argon filled
External 4mm gloat up to 6.8mm
Single glazed
4mm float glass bedded into silicone mastic faced with putty
Glazing bars
Double glazed
Internal bars 20mm width with Ovolo profile
External bars 20mm hardwood putty line profile, bonded to glass
Single glazed
20mm width Ovolo profile
Paint Finish
Basecoat primer / preservative, undercoat and top coat, semi gloss factory applied finish
Draught sealing
Full perimeter draught sealing
Furniture and assembly
New windows
4 brass pulleys or spring balances as appropriate
1 fitch catch
1 pair of sash lifts
1 pair of rola locks with dual position security setting
Window surrounds
(new windows only)
Standard 75mm Ogee architrave
50m bull nose window board