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02 Kensington and Chelsea Spring Sash

Verified by manufacturer 2 months ago

Double glazed

Lomax + Wood Limited Variant:
Product certifications:
  • QA Certificate

    QA Certificate

    Certificate type

  • Chain of Custody Certification

    Chain of Custody Certification

    Certificate type

  • Chain of Custody Certification

    Chain of Custody Certification

    Certificate type

Spring balanced timber sash window.

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+44 (0)1277 353857 Website

Application

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.

General information

Color

White

Guidance for specification option:

RAL 9010 - standard.

Brown

Guidance for specification option:

Wood stain.

Other

Guidance for specification option:

RAL or Farrow and Ball colour match.

Finish

Painted

Stained

Material

Wood

Glass

Shape

Rectangle

Width

Bespoke

Height

Bespoke

Warranty description

30 year

Uniclass

Pr_30_59_98_96 Wood window unitsPrimary

CAWS

L10/210 Wood windows

Product range

Windows

Specification data - Wood window units

Classification data

Standard

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.

Dimensions and configurations

Fixed bottom sash.
Fixed top sash.
Sliding sash window.

Guidance for specification option:

Standard.

Product performance

-

Weather performance

-

Air permeability

To BS EN 1026, Class 4.

Watertightness

To BS EN 1027, Class 7A.

Resistance to wind load

To BS EN 12211, Class C5.

Safety

-

Security level

To PAS 24, 2012.

Environmental

-

Acoustic performance rating

36 dB.

Thermal

-

Whole window U-value

1.1 W/m²K.

Frame

-

Wood species

Engineered Accoya.
Engineered European larch.
Engineered European oak.
Engineered hardwood.
Engineered redwood.

Guidance for specification option:

Standard.

Chain of custody

FSC.

Finish as delivered

Painted.
Painted, dual finish.
Stained.

Glazing or infill

-

Requirements

Double glazed with toughened planitherm one and argon infill.

Hardware

Manufactured using mortise, tenon joints and glued.

Operation

-

Type

Manual.

Fixing features

Mechanically fixed.

Dimensions

As drawing.
As schedule.

Frame colour

Farrow and Ball colour match.

Guidance for specification option:

Insert colour requirement.

RAL.

Guidance for specification option:

Insert colour requirement.

Stain.

Guidance for specification option:

Insert requirement.

White, RAL 9010.

Guidance for specification option:

Standard.

FrameSize

50 x 174 mm.

Guidance for specification option:

Manufactured using mortise and tenon joints, glued and mechanically fixed.

Manufacturer guidance

Head and frame jambs x frame depth.

Internal frame and sash

Lambs tongue.
Ovolo.

Manufacturer guidance

Internal frame/ sash profile.

External profile

Bead moulded liner.
Moulded to match inner sash/ frame profile.
Square external liner.

Guidance for specification option:

Standard.

Manufacturer guidance

External frame/ sash profile.

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.

Guidance for specification option:

Standard.

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.

Guidance for specification option:

Standard.

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.

Guidance for specification option:

Standard.

22 mm chamfered putty bar.

Glass units and whole product U-values/ G-values

0.52.

Thickness

4 mm (double glazed).

Guidance for specification option:

Per layer.

Manufacturer guidance

Glazing thickness.

Infill

16 mm.

Manufacturer guidance

Glazing cavity infill.

Type

68 x 178 mm flush sill.

Guidance for specification option:

Standard.

80 x 178 mm.

Manufacturer guidance

Sill type.

Extension

35 mm.
60 mm.
85 mm.
110 mm.

Manufacturer guidance

Sill extension.

Extension horns

Guidance for specification option:

Insert length requirement.

Manufacturer guidance

Sill extension horns.

Top rail

56 x 60 mm.

Manufacturer guidance

Sash: top rail and stiles.

Bottom rail

80 x 60 mm.

Manufacturer guidance

Sash: Bottom rail.

Rail

44 x 60 mm.

Manufacturer guidance

Sash: meeting rail.

Horns

Not required.
Type A.
Type B.

Manufacturer guidance

Sash horns.

Window lifts

Antique brass.
Brass.
Oil rubbed bronze.
Polished chrome.
Satin chrome.
Satin nickel.

Manufacturer guidance

Ironmongery finish.

Window catches

Antique brass.
Brass.
Oil rubbed bronze.
Polished chrome.
Satin chrome.
Satin nickel.

Manufacturer guidance

Ironmongery finish.

Angel vent locks

Brass.
Polished chrome.
Satin chrome.
White.

Manufacturer guidance

Ironmongery finish.

Vent locks

Key operated.
Push button.

Manufacturer guidance

Ironmongery finish.

Trickle vents

Not required.
Concealed through the frame head.

Guidance for specification option:

Standard.

Through the top rail of top sash with external canopy.

Accessories

None.
Satin obscure glass.
Window board groove.
Special order.

Guidance for specification option:

Insert requirements.

Transom/ mullion size

68 mm.

Guidance for specification option:

Wide.

Staff bead

Timber.

MoistureContent

12–19%.

Manufacturer guidance

Wood moisture content.

Sustainability data

Material

Wood
Glass

Product certifications

QA Certificate

QA Certificate

Part Q compliance certificate

Chain of Custody Certification

Chain of Custody Certification

FSC Chain of Custody

Chain of Custody Certification

Chain of Custody Certification

PEFC Chain of Custody

Literature

174 Spring Sashes

174 Spring Sashes

Case studies

Classic high performance timber sash windows and doors for new build project in Wimbeldon, London

Classic high performance timber sash windows and doors for new build project in Wimbeldon, London

Lomax + Wood New Build in Berkshire, Timber Sash Windows

Lomax + Wood New Build in Berkshire, Timber Sash Windows

Georgian House new sash wooden sash windows, casements and French doors

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