Summary
Spring balanced timber sash window.
Spring balanced timber sash window.
Application
Suitable for any applications where there are access limitations.
Suitable for any applications where there are access limitations.
Description
Made-to-order, double glazed, high performance timber sash window which uses spring balances to operate the sashes. It offers an economical solution for where the end result needs to be historically accurate and pleasing to the eye. It is internally glazed and fully weather sealed to provide thermal and acoustic performance. Shaped and feature windows are available within the range.
Features and benefits:
- Pre tensioned spring spiral balanced sash operation.
- Chain of Custody certified timber as standard.
- Timber parting bead.
- Internally glazed providing a secure anti-burglar solution and easier maintenance.
- Hardwood sill.
- Self-engaging top sash locks and restrictors.
- Fully weather-stripped for thermal and acoustic performance.
- Three coat white factory finished spray applied micro-porous paint RAL 9010 as standard.
- Meets PAS 24 2016.
- CE Marked to BS EN 14351-1+A1:2010.
- Material marine specification: For projects in coastal or island environments please contact manufacturer for information.
- Installation: Manufacturer installation service packages are available, contact manufacturer for information.
Accreditations:
- FENSA registered company.
- BM Trada Chain of Custody Certification.
- Certified Timber.
- World Land Trust Member.
Made-to-order, double glazed, high performance timber sash window which uses spring balances to operate the sashes. It offers an economical solution for where the end result needs to be historically accurate and pleasing to the eye. It is internally glazed and fully weather sealed to provide thermal and acoustic performance. Shaped and feature windows are available within the range.
Features and benefits:
- Pre tensioned spring spiral balanced sash operation.
- Chain of Custody certified timber as standard.
- Timber parting bead.
- Internally glazed providing a secure anti-burglar solution and easier maintenance.
- Hardwood sill.
- Self-engaging top sash locks and restrictors.
- Fully weather-stripped for thermal and acoustic performance.
- Three coat white factory finished spray applied micro-porous paint RAL 9010 as standard.
- Meets PAS 24 2016.
- CE Marked to BS EN 14351-1+A1:2010.
- Material marine specification: For projects in coastal or island environments please contact manufacturer for information.
- Installation: Manufacturer installation service packages are available, contact manufacturer for information.
Accreditations:
- FENSA registered company.
- BM Trada Chain of Custody Certification.
- Certified Timber.
- World Land Trust Member.
Product certifications
Color
White, Brown, Other
White, Brown, Other
Finish
Painted, Stained
Painted, Stained
Material
Wood, Glass
Wood, Glass
Shape
Rectangle
Rectangle
Width
Bespoke
Bespoke
Height
Bespoke
Bespoke
Warranty description
30 year
30 year
Specification
Standard
To BS EN 14351-1+A1:2010.
To BS EN 14351-1+A1:2010.
Third-party certification
CE Marked, FENSA registered company, BM Trada Chain of Custody Certification, FSC Certified timber and World Land Trust member.
CE Marked, FENSA registered company, BM Trada Chain of Custody Certification, FSC Certified timber and World Land Trust member.
Dimensions and configurations
Fixed bottom sash., Fixed top sash., Sliding sash window.
Fixed bottom sash., Fixed top sash., Sliding sash window.
Product performance
-
-
Weather performance
-
-
Air permeability
To BS EN 1026, Class 4.
To BS EN 1026, Class 4.
Watertightness
To BS EN 1027, Class 7A.
To BS EN 1027, Class 7A.
Resistance to wind load
To BS EN 12211, Class C5.
To BS EN 12211, Class C5.
Safety
-
-
Security level
To PAS 24, 2012.
To PAS 24, 2012.
Environmental
-
-
Acoustic performance rating
38 dB.
36 dB.
Thermal
-
-
Whole window U-value
1.4 W/m²K.
1.1 W/m²K.
Frame
-
-
Wood species
Engineered Accoya., Engineered European larch., Engineered European oak., Engineered hardwood., Engineered redwood.
Engineered Accoya., Engineered European larch., Engineered European oak., Engineered hardwood., Engineered redwood.
Chain of custody
FSC.
FSC.
Finish as delivered
Painted., Painted, dual finish., Stained.
Painted., Painted, dual finish., Stained.
Glazing or infill
-
-
Requirements
Double glazed laminated with toughened planitherm one and argon infill.
Double glazed with toughened planitherm one and argon infill.
Hardware
Manufactured using mortise, tenon joints and glued.
Manufactured using mortise, tenon joints and glued.
Operation
-
-
Type
Manual.
Manual.
Fixing features
Mechanically fixed.
Mechanically fixed.
Additional properties
Dimensions
As drawing., As schedule.
As drawing., As schedule.
Frame colour
Farrow and Ball colour match., RAL., Stain., White, RAL 9010.
Farrow and Ball colour match., RAL., Stain., White, RAL 9010.
FrameSize
50 x 174 mm.
50 x 174 mm.
Internal frame and sash
Lambs tongue., Ovolo.
Lambs tongue., Ovolo.
External profile
Bead moulded liner., Moulded to match inner sash/ frame profile., Square external liner.
Bead moulded liner., Moulded to match inner sash/ frame profile., Square external liner.
Perimeter spacer bar
Black warm edge perimeter spacer with black warm edge integral spacers., White warm edge perimeter spacer with white warm edge integral spacers.
Black warm edge perimeter spacer with black warm edge integral spacers., White warm edge perimeter spacer with white warm edge integral spacers.
Internal glazing bars
Not required., 18 mm cove profile., 18 mm lambs tongue profile., 18 mm ovolo profile., 20 mm lambs tongue profile., 20 mm lambs tongue profile 20 mm ovolo profile., 22 mm cove profile., 22 mm lambs tongue profile., 22 mm ovolo profile.
Not required., 18 mm cove profile., 18 mm lambs tongue profile., 18 mm ovolo profile., 20 mm lambs tongue profile., 20 mm lambs tongue profile 20 mm ovolo profile., 22 mm cove profile., 22 mm lambs tongue profile., 22 mm ovolo profile.
External Glazing Bars
Not required., 9 mm antiqued lead., 12 mm antiqued lead., 18 mm chamfered putty bar., 20 mm chamfered., 22 mm chamfered putty bar.
Not required., 9 mm antiqued lead., 12 mm antiqued lead., 18 mm chamfered putty bar., 20 mm chamfered., 22 mm chamfered putty bar.
Glass units and whole product U-values/ G-values
0.61.
0.52.
Thickness
6.4 mm (layer one), 4 mm (layer two).
4 mm (double glazed).
Infill
16 mm.
16 mm.
Type
68 x 178 mm flush sill., 80 x 178 mm.
68 x 178 mm flush sill., 80 x 178 mm.
Extension
35 mm., 60 mm., 85 mm., 110 mm.
35 mm., 60 mm., 85 mm., 110 mm.
Extension horns
-
-
Top rail
56 x 60 mm.
56 x 60 mm.
Bottom rail
80 x 60 mm.
80 x 60 mm.
Rail
44 x 60 mm.
44 x 60 mm.
Horns
Not required., Type A., Type B.
Not required., Type A., Type B.
Window lifts
Antique brass., Brass., Oil rubbed bronze., Polished chrome., Satin chrome., Satin nickel.
Antique brass., Brass., Oil rubbed bronze., Polished chrome., Satin chrome., Satin nickel.
Window catches
Antique brass., Brass., Oil rubbed bronze., Polished chrome., Satin chrome., Satin nickel.
Antique brass., Brass., Oil rubbed bronze., Polished chrome., Satin chrome., Satin nickel.
Angel vent locks
Brass., Polished chrome., Satin chrome., White.
Brass., Polished chrome., Satin chrome., White.
Vent locks
Key operated., Push button.
Key operated., Push button.
Trickle vents
Not required., Concealed through the frame head., Through the top rail of top sash with external canopy.
Not required., Concealed through the frame head., Through the top rail of top sash with external canopy.
Accessories
None., Satin obscure glass., Window board groove., Special order.
None., Satin obscure glass., Window board groove., Special order.
Transom/ mullion size
68 mm.
68 mm.
Staff bead
Timber.
Timber.
MoistureContent
12–19%.
12–19%.
Sustainability data
Material
Wood, Glass
Wood, Glass