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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:

  • Pre tensioned spring spiral balanced sash operation.
  • FSC® 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 2012.
  • CE Marked to BS EN 14351-1+A1:2010.

Accreditations:

  • FENSA registered company.
  • BM Trada Chain of Custody Certification.
  • FSC Certified.
  • BWF.
  • Achilles BuidingConfidence member.

General information
Size

As drawing

As schedule

Material

Engineered Accoya

Engineered European larch

Engineered European oak

Engineered hardwood

Engineered redwood

Standard.

Finish

Painted

Painted, dual finish

Stained

Features

Pre tensioned spring spiral balanced sash operation

FSC® 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 2012

CE Marked to BS EN 14351-1+A1:2010

Uniclass 2015
Pr_30_59_98_96 Wood window unitsPrimary
Specification data - Wood window units
Product Reference

02 Kensington and Chelsea Spring Sash

Size

As drawing

As schedule

Configuration

Fixed bottom sash

Fixed top sash

Sliding sash window

Standard.

Material

Engineered Accoya

Engineered European larch

Engineered European oak

Engineered hardwood

Engineered redwood

Standard.

Finish

Painted

Painted, dual finish

Stained

Colour

Farrow and Ball colour match

Insert colour requirement.

RAL

Insert colour requirement.

Stain

Insert requirement.

White - RAL 9010

Standard.

Frame/ sash profile -
Internal

Lambs tongue

Ovolo

External

Bead moulded liner

Moulded to match inner sash/ frame profile

Square external liner

Standard.

Glazing -
Type

Double glazed, 4/16/4 toughened

Standard, U-value: 1.1 W/m²K; g-value: 0.52; 36 dB.

Double glazed, 6.4/16/4 laminated and toughened

U-value: 1.4 W/m²K; g-value: 0.61; 38 dB.

Perimeter spacer bars

Black warm edge perimeter spacer with black warm edge integral spacers

White warm edge perimeter spacer with white warm edge integral spacers

Standard.

Glazing bars/ beads -
Internal

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

Standard.

22 mm cove profile

22 mm lambs tongue profile

22 mm ovolo profile

External

Not required

9 mm antiqued lead

12 mm antiqued lead

18 mm chamfered putty bar

20 mm chamfered

Standard.

22 mm chamfered putty bar

Sill -
Type

68 x 178 mm flush sill

Standard.

80 x 178 mm

Extension

35 mm

60 mm

85 mm

110 mm

Extension horns

Insert length requirement.

Horns

Not required

Type A

Type B

Ironmongery -
Window lifts

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

Angel vent locks

Brass

Polished chrome

Satin chrome

White

Vent locks

Key operated

Push button

Trickle vents

Not required

Concealed through the frame head

Standard.

Through the top rail of top sash with external canopy

Accessories

None

Satin obscure glass

Window board groove

Special order

Insert requirements.

Standard product features

Glazing:

Double glazed planitherm one with argon infill.

Frame:

50 x 174 mm (head and frame jambs x frame depth), manufactured using mortise and tenon joints, glued and mechanically fixed.

Sash:

56 x 60 mm top rail and stiles, 80 x 60 mm bottom rail, 44 x 60 mm meeting rail. Manufactured using mortise and tenon joints, glued and mechanically fixed.

Mullion:

68 mm wide.

Staff/ parting beads:

Timber.

Wood moisture content:

12–19%.

Performance:

  • Air permeability (to BS EN 1026): Class 4.
  • Watertightness (to BS EN 1027): Class 7A.
  • Resistance to wind loading (to BS EN 12211): Class C5.

Product Options

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.

Literature
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