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Heritage Sash Windows - Double - Timber Sash Window

Verified by manufacturer 24 days ago

TRC Windows Third party certifications:
  • CHAS

    CHAS

    Certificate type

  • Constructionline

    Constructionline

    Certificate type

  • Certificate of Compliance

    Certificate type

  • Health & Safety Accreditation

    Health & Safety Accreditation

    Certificate type

  • BM Trada

    BM Trada

    Certificate type

  • BS EN 13501-1

    BS EN 13501-1

    Certificate type

Heritage Sash Windows - Double.

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+44 (0) 1858 469225 Website

Application

Suitable choice for replacement windows in listing buildings, whilst also suiting high-end architect-led new developments.

Description

Heritage sash windows constructed to match box sash windows crafted more than a century ago. The sash windows, with the classic weight-and-pulley mechanism, are a suitable choice for replacement windows in listing buildings, whilst also suiting high-end architect-led new developments.


Features and benefits:

  • Traditional putty is used externally to secure high-performance Slim Sightline double glazing.
  • Available single or double glazed, the authentic-looking Slim Sightline double glazing has good acoustic and thermal performance.
  • Solid glazing bars are supplied as standard.
  • Bespoke windows and doors are available; consult manufacturer for details.
  • Echo the style of historic windows.


Guarantees:


TRC Contracts Ltd offers robust guarantees on all TRC window ranges we supply and install. The following general terms apply on all new windows:

  • Expected Lifespan: All our windows are designed with a 60-year service life guarantee.
  • Manufacturing and Material Defects: 10-year guarantee.
  • Finishes: The standard three-coat opaque finished joinery is guaranteed for 10 years, and the stain finishes are guaranteed against blistering or flaking for six years.
  • Seals: The seals on double-glazed units are guaranteed for 10 years (from the date of delivery).
  • Ironmongery: Functional failure is guaranteed on ironmongery for two years.


General information

Color

Black

Brown

White

Manufacturer guidance

Colour from RAL classic range - standard, dual finish or stain - optional.

Finish

Painted

Manufacturer guidance

Available in dual finish, RAL classic range and stain. Insert requirements.

Material

Timber

Wood

Shape

Rectangle

Length

Bespoke

Guidance for specification option:

Project specific.

Width

Bespoke

Guidance for specification option:

Project specific.

Height

Bespoke

Guidance for specification option:

Project specific.

Warranty description

Ten year

Uniclass

Pr_30_59_98_96 Wood window unitsPrimary

CAWS

L10/10 Wood windows

L10/210 Wood windows

Specification data - Wood window units

Standard

To EN 14351.

Dimensions and configurations

As drawing.

Guidance for specification option:

Insert reference.

As schedule.

Guidance for specification option:

Insert reference.

Product performance

-

Fire performance

-

Fire egress

Yes.

Weather performance

-

UK exposure category

The window is fully weather sealed to BS EN 6375-1.

Air permeability

To BS EN 1026, Class 4.

Watertightness

To EN 1027, Class, 4A.

Resistance to wind load

To EN 12211, Class C4.

Durability

-

Operation and strength characteristics

To BS 6375-2

Environmental

-

Background ventilation

Yes.

Acoustic performance rating

36 (0;-3) dB.

Thermal

-

Whole window U-value

≥1.6 W/m²K.

Guidance for specification option:

To BS EN ISO 10077-1.

Frame

-

Standard

To BS EN 942.

Profile

100 x 140 mm (lining width x frame depth), manufactured using mortise and tenon joints, glued and mechanically fixed.

Wood species

Softwood.

Hardwood.

Accoya.

Oak.

Chain of custody

FSC.

Appearance class

For opaque finishing: to BS EN 942, J10 for glazing beads and drip mouldings .

Finish as delivered

Three coats of sprayed applied microporous water based TEKNOS paint system.

Preservative treatment to wood components

Yes.

Ventilator

Not required.

Concealed through frame head trickle ventilator.

Guidance for specification option:

Concealed through frame head trickle ventilator. 1700 mm², 4400 mm² or 5000 mm² air flow dependent on frame width.

Frame horns

Not required.

Type H1.

Type H2.

Type H3.

Type H4.

Type H5.

Type H6.

Glazing or infill

-

Standard

Relevant parts of BS EN 1279.

Requirements

Factory glazed with 14 mm thickness dual slim sidelight sealed units.

Hardware

A lockable Fitch fastener and two finger pulls to the bottom sash.

Operation

-

Type

Manual.

Guidance for specification option:

Sashes are hung on cords or chains, operating over pulleys and counter balanced with lead weights.

Fixing features

A lockable Fitch fastener and two finger pulls to the bottom sash.

Sill projection

35 mm.

50 mm.

60 mm.

70 mm.

80 mm.

Show more

Windowboard groove

Required.

Not required.

Solid bars

24 x 45 mm ovolo.

As drawing.

Glazing

Slim sidelight DGU.

Child restrictor

Not required.

Angel lock.

Guidance for specification option:

Standard.

Traditional sash stop

Sash

39 x 45 mm top rail and stiles, 90 x 45 mm bottom rail, 45 x 45 mm meeting rail.

Manufacturer guidance

Sashes are hung on cords or chains, operating over pulleys and counterbalanced with lead weights.

Mullion/ transom

200 mm wide (130 mm for triple sash with fixed outer sash).

Staff bead

Timber.

MoistureContent

12–19% (wood).

Glazing bead

External traditional putty glazed.

Sill

Solid hardwood.

Applied finish

Dual finish.

Guidance for specification option:

Insert requirements.

RAL classic range.

Guidance for specification option:

Insert requirements.

Stain.

Guidance for specification option:

Insert requirements.

Manufacturer guidance

Three coat spray applied factory finish using water based micro-porous paint/ stain.

Wood species

Engineered Accoya.

Engineered European oak.

Engineered hardwood.

Engineered redwood.

Guidance for specification option:

Standard.

Sustainability data

Contains Red List materials

No

Country of material origin

Latvia

Country of product manufacture

Lithuania

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

0.5 kg CO₂ eq/kg

Recyclability

Yes

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

EPD

BIM objects

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NBS BIM Object Standard

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Platform Compatible Version
Revit

Revit 2017

1

IFC
-

1

Third party certifications

CHAS

CHAS

CHAS standards

Constructionline

Constructionline

Constructionline Silver

Certificate of Compliance

Certificate of Compliance

Constructionline Social_Value

Health & Safety Accreditation

Health & Safety Accreditation

Health & Safety / Acclaim Accreditation

BM Trada

BM Trada

Heritage Sash Box window acoustic performance to BS EN ISO 10140-2:2010

BS EN 13501-1

BS EN 13501-1

UW-Analysis of Heritage Box Sash Window

Literature

Heritage Sash Windows

Heritage Sash Windows

Case studies

87 Avenue Road, London

87 Avenue Road, London

Bolsover Model Village

Bolsover Model Village

Camden Decent Homes Scheme

Camden Decent Homes Scheme

Frederick's Place EC2

Frederick's Place EC2

Mayfair House

Mayfair House

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