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Sash Window - The Chatsworth - Timber Sliding Sash
Sash Window - The Chatsworth - Timber Sliding Sash
Sash Window - The Chatsworth - Timber Sliding Sash

Verified 4 months ago

Gowercroft Joinery Limited

Verified 4 months ago

Gowercroft Joinery Limited

Verified 4 months ago

Gowercroft Joinery Limited
Summary
Secure timber sliding sash windows with a U-value of 1.2 W/m²K in double glazed and 0.87W/m²K in triple glazed.
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Application

Suitable for most applications.


Particularly suitable for unlisted properties where replacement windows are required, or for new build projects which need to achieve all of the relevant building regulations but the customer does not require Passiv-Haus level performance.

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Description

Chatsworth timber sliding sash windows combine low maintenance, longevity, and excellent draught-proofing, with a classic appearance. For additional authenticity, the range is available with either spiral balances or a traditional weights and pulleys system.

They provide architects and specifiers with a reliable and visually appealing solution for unlisted properties requiring replacement windows or new build projects adhering to building regulations. With excellent value for money and wide-ranging suitability, these windows are a versatile choice for most properties.

  • Patented SashSealer technology delivers 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.
  • Fully concealed trickle ventilation through the head of the frame is invisible on the internal or external face of the product.
  • Traditional horn detailing to the top sash as standard. Options to have variation on the horn detail, or to add a horn to the bottom sash. External staff bead detail on the outer lining for a traditional appearance.
  • All traditional shapes and sizes are available including curved heads, curved top rail of top sash and double or triple coupled sashes.
  • Traditional ironmongery is included with a range of finishes. This includes Angel Sash limiters and recessed finger pulls as standard.
  • Spiral balance system includes balance covers as standard to avoid ugly exposed plastic balancer.
  • Weights and pulley sashes include articulated lead and concealed access panels for easy maintenance and repair.
  • Product exceeded destructive testing to Part Q standards with no amendments or upgrades.
  • Available in double glazed with a U-value of below 1.2 W/m²K and triple glazed with a U-value of 0.87W/m²K.

Features and benefits:

  • U-values of 1.2 W/m²K in double glazing.
  • U-values of 0.87 W/m²K in triple glazing.
  • Class 4 air permeability:
    • Patented gasket system on mid-rail.
    • Integrated concealed gasket system on sash pulleys.
  • Fully concealed trickle ventilation.
  • Exceeds Part Q Standards.
  • Part L Compliant.
  • Part Q Compliant.

 

Guarantees:

  • 10 year no maintenance paint warranty.
  • 8 year no maintenance stain warranty.
  • 10 year warranty on workmanship and materials.
  • 60+ year expected service life.
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Product certifications
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Digital objects
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Color
Clear, Beige, Black, Blue, Bronze, Brown, Copper, Cream, Gold, Green, Grey, Ivory, Orange, Pink, Purple, Red, Silver, Turquoise, White, Yellow, Other
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Finish
Painted, Stained
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Material
Wood, Glass
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Shape
Rectangle, Square, Other
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Length
Bespoke
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Width
Bespoke
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Height
Bespoke
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Warranty description
Ten year
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Specification

Standard
To EN 14351.
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Product performance
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Fire performance
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Fire egress
Yes.
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Weather performance
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UK exposure category
To BS 6375-1, 1600 Pa.
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Air permeability
To BS 6375-1, Class 4.
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Watertightness
To BS 6375-1, Class A5.
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Resistance to wind load
To BS 6375-1, Class C3.
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Durability
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Operation and strength characteristics
To BS 6375-2.
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Environmental
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Background ventilation
Yes.
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Acoustic performance rating
29 dB.
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Thermal
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Whole window U-value
1.2 W/m²K.
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Frame
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Standard
To BS EN 942.
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Profile
Lambs Tongue beading and bar profiles.
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Wood species
Engineered Redwood Softwood with Accoya Cill.
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Chain of custody
FSC.
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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.
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Finish as delivered
Factory applied Sirca paint, submerged prime coat, sprayed top coats.
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Ventilator
Yale SlotVent 2500EA., Yale SlotVent 4000EA., Yale SlotVent 5000EA.
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Frame horns
No horn, top sash., 75 mm horn, top sash., No horn, bottom sash., 75 mm horn, bottom sash.
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Glazing or infill
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Standard
Relevant parts of BS EN 1279.
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Requirements
4 mm Low E One internal glass, 20 mm Argon cavity, 4 mm clear external glass., 4 mm Low E One internal glass, 20 mm Argon cavity, 6.8 mm laminate external glass for P1A/Part Q.
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Hardware
Polished Brass - Two Globe fitch catch, two sash lifts, two angel locks with stops., Satin Chrome - Two Globe fitch catch, two sash lifts, two angel locks with stops., Brushed Chrome - Two Globe fitch catch, two sash lifts, two angel locks with stops., Aged Brass - Two Globe fitch catch, two sash lifts, two angel locks with stops., Black - Two Globe fitch catch, two sash lifts, two angel locks with stops., Other.
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Operation
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Type
Manual, spiral balanced with concealed balances.
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Additional properties

Weather seal (factory applied)
Double gasketing system included as standard.
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Glazing bars
22 mm Lambs Tongue in grid, mechanically fixed to sash prior to spray.
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Sustainability data

Contains Red List materials
No
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Country of material origin
New Zealand
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Country of product manufacture
United Kingdom
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Manufacturing plant location
Unit 1 Birchwood Way, Somercotes, Alfreton DE55 4QQ, UK
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Material
Wood, Glass
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A1–A3 ('Production stage')

Embodied carbon as defined in BS EN 15804

Lower emissions

Normalized unit
-48.82 kg CO₂ eq/kg
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Declared unit
-48.82 kg CO₂ eq/kg
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Recyclability
100%
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Recycled content
5 %
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Expected Life
80 year
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