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Heritage Sash Window - The Winston - Wooden Heritage Windows

Name: Heritage Sash Window - The Winston - Wooden Heritage Windows
Brand: Gowercroft Joinery Limited
SKU: 4h83vsTtzEz63LZSXj6iYk

Verified by manufacturer 4 months ago

Gowercroft Joinery Limited

Third party certifications:

Made in Britain
Certificate type
British Woodworking Federation
Certificate type
UKAS
Certificate type

Timber heritage sash window with U-value of 1.12 W/m²K. Heritage Sliding Sash Windows for listed properties or those in conservation areas.

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BOS

+44 (0)1773 300510 Website

Application

Suitable for listed properties or those in conservation areas, due to their thin sections, traditional ironmongery and ultra-slim vacuum glazing.

Description

A range of timber heritage sash windows designed to incorporate a number of traditional features but utilizing modern design and materials, and also able to deliver a high performance.

A modern, efficient heritage sliding sash window which is an alternative to slim double glazing.

Features and benefits:

U-Value: 1.12 W/m²K.
Class 4 air permeability.
Class 4 weatherproofing.
Toughened vacuum glazing.
Manufactured from Accoya® timber.
Building Regulations Approved Document L Compliant.
60+ year expected service life.
Manufactured from Accoya® with high energy efficiency.
Vacuum cavity glazing, delivering U-values comparable with modern double glazing, but with a total thickness of only 8.3 mm. No double reflection makes it suitable for use in conservation areas. LandVac glazing is also toughened as standard for safety and security.
Patented SashSealer technology delivering the only class 4 air permeability, traditional sliding sash window on the market. Weights and pulley window has a proprietary pocket seal to reduce draughts through the sash pulleys.
Traditional fitch fasteners, pulleys and sash limiters in a range of styles and finishes. Hung on traditional lead weights as standard, but also available with concealed spiral balances.
Slender 22 mm glazing bars and thin profile of the windows reduce the perceived width of the sections. External bar designed to replicate the traditional appearance of putty pointing.
Supplied with a full 10-year guarantee and are eligible for TimbaCare.
Extended comprehensive guarantees - Energy efficiency that meets modern regulations - Traditional appearance for conservation projects - More cost-effective initially and in ongoing maintenance.

General information

Color	Beige Black Blue Bronze Brown Clear Copper Cream Gold Green Grey Ivory Orange Other Pink Purple Red Silver Turquoise White Yellow Show more
Finish	Painted Stained
Material	Wood
Shape	Rectangle Square Other
Length	Bespoke
Width	Bespoke
Height	Bespoke
Warranty description	Eight year Guidance for specification option: 5–8 year no maintenance stain warranty. Ten year Guidance for specification option: 10 year no maintenance paint warranty. 10 Year warranty on workmanship and materials.

Uniclass	Pr_30_59_98_96 Wood window unitsPrimary
CAWS	L10/10 Wood windows L10/210 Wood windows

Product range	Heritage

Specification data - Wood window units

Standard	To EN 14351.
Product performance	-
Fire performance	-
Fire egress	Yes.
Weather performance	-
UK exposure category	To BS 6375-1, 1600 Pa.
Air permeability	To BS 6375-1, Class 4.
Watertightness	To BS 6375-1, Class A5.
Resistance to wind load	To BS 6375-1, Class C3.
Durability	-
Operation and strength characteristics	To BS 6375-2.
Environmental	-
Background ventilation	Yes.
Acoustic performance rating	39 dB. Guidance for specification option: Vacuum insulating glass unit, 4 mm/0.3 mm/4 mm. Manufacturer guidance A range of acoustic, obscure, and solar control insulating glass units are also available; consult manufacturer.
Thermal	-
Whole window U-value	1.12 W/m²K, vacuum double glazed.
Frame	-
Standard	To BS EN 942.
Profile	Lambs Tongue beading and bar profiles. Bead mould to internal and external outer linings.
Wood species	Accoya.
Chain of custody	FSC.
Appearance class	For opaque finishing: to BS EN 942, J10 for glazing beads, drip mouldings and the like. J40 or better for all other members.
Finish as delivered	Factory applied Sirca paint, submerged prime coat, sprayed top coat. Guidance for specification option: Three coats of factory applied Sirca paint, one coat submerged prime coat, two coats sprayed top coats. Any colour available, finish to 30% sheen.
Ventilator	Yale SlotVent 2500EA. Yale SlotVent 4000EA. Yale SlotVent 5000EA.
Frame horns	Bottom sash: 75 mm Victorian horn. Bottom sash: No horn. Top sash: 75 mm Victorian horn. Top sash: No horn.
Glazing or infill	-
Standard	Relevant parts of BS EN 1279.
Requirements	4 mm Low E internal glass, 0.3 mm vacuum cavity, 4 mm clear external glass. Guidance for specification option: Toughened as standard. Applied glazing bars as necessary, no bonded bars due to thin cavity.
Hardware	Spiral Balanced: Aged Brass - two Globe fitch catch; two sash lifts; two angel locks with stops. Spiral Balanced: Black - two Globe fitch catch; two sash lifts; two angel locks with stops. Spiral Balanced: Brushed chrome - two Globe fitch catch; two sash lifts; two angel locks with stops. Spiral Balanced: Polished Brass - two Globe fitch catch; two sash lifts; two angel locks with stops. Spiral Balanced: Satin chrome - two Globe fitch catch; two sash lifts; two angel locks with stops. Weights and Pulleys: Aged Brass - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops. Weights and Pulleys: Black - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops. Weights and Pulleys: Brushed chrome - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops. Weights and Pulleys: Polished Brass - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops. Weights and Pulleys: Satin chrome - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops.
Operation	-
Type	Spiral balanced with concealed balances. Weights and pulleys.

Colour:	Beige. Black. Blue. Bronze. Brown. Clear Copper. Cream. Gold. Green. Grey. Ivory. Orange. Other. Pink. Purple. Red. Silver. Turquoise. White. Yellow. Show more
Weather seal (factory applied)	Double gasketing system included as standard.
Glazing bars	18 mm Heritage extended in grid, mechanically fixed to sash prior to spray. Guidance for specification option: Arched, gothic, marginal, and bespoke patterns available. Consult manufacturer and insert requirements.

Sustainability data

Contains Red List materials	No
Country of material origin	New Zealand Manufacturer guidance Timber - New Zealand Glazing - China
Country of product manufacture	United Kingdom
Embodied carbon A1-A3 (production stage) as defined in BS EN 15804	107.80 kg CO₂ eq/kg Manufacturer guidance Embodied carbon A1-A3 (cradle to gate) as defined in BS EN 15804: 92.70 kg CO₂ eq/kg for Hardwood window industry standard window size Embodied carbon A1-A5 (cradle to install) as defined in BS EN 15804: 107.80 kg CO₂ eq/kg for Hardwood window industry standard window size Embodied carbon A1-D (cradle to grave) as defined in BS EN 15804: Negative 10,019.29 kg CO₂ eq/kg for Hardwood window industry standard window size
Recyclability	100%
Recycled content As defined in clause 7.8 of BS EN ISO 14021	5 %