Timber Bay Window
Verified by manufacturer 4 months ago
Weathertightness Testing
Certificate type
PAS 24
Certificate type
Range of bespoke timber bay windows.
Application
Timber bay windows suitable for new build or refurbishment projects.
Description
Range of bespoke timber bay windows.
Features and benefits:
- Available in 24 standard colours as well as special customized options by request.
- Designed with performance and style in mind.
- Large variety of glass and hardware options.
- Bespoke designs.
For over 30 years, Westbury Windows & Joinery has developed an impressive reputation for manufacturing top quality timber and wooden windows, with design and durability always in mind. They are market leaders in the design manufacture and supply of bespoke timber windows direct to homeowners as well as to architects and specifiers.
The product range includes Timber Box Sash Windows, Timber Spring Sash Windows, Timber Casement Windows and Timber French Windows.
General information
Color | Beige Black Blue Bronze Brown |
Finish | Painted |
Material | Timber Glass |
Shape | Rectangle Square Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year Guidance for specification option: Glass, hardware, weather seal and paint. |
Uniclass | |
CAWS | L10/10 Wood windows L10/210 Wood windows |
Specification data - Wood window units
Dimensions and configurations | Fixed light. Breakfront frame. Break front. Casement (house and garden). Fixed sash. Fixed sash - with fixing plates. Fixed sash - with RH hinges/lock. Fixed sash - with RH hinges/lock two sides. Fixed sash - with LH hinges/lock. Fixed sash - with TH hinges/lock. Right hung. Left hung. Top hung. Casement (house and garden) - tall top hung. Tall Top hung. Casement (house and garden) - security espag. Right hung – security. Left hung – security. Top hung – security. GS/HS French casement window – friction. G/HS right hung master. G/HS right hung slave. HS right hung slave - floating mullion. G/HS left hung master. G/HS left hung slave. HS left hung slave - floating mullion. Casement (house and garden) - shaped sashes with butt profile and clips. Shaped fixed sash - bottom profile standard. Shaped fixed sash - bottom profile with clips. As drawing. Guidance for specification option: Insert details as required. As schedule. Guidance for specification option: Insert details as required. Manufacturer guidanceConsult manufacturer for details as required. |
Product performance | |
Weather performance | |
UK exposure category | To BS 6375-1, 2000 Pa. |
Air permeability | To BS EN 1026:2000, Class 4 (600 Pa). |
Watertightness | To BS EN 1027:2000, Class 8A (450 Pa). |
Resistance to wind load | To BS EN 12211:2000, Class A5. |
Safety | |
Security level | To PAS 24. |
Frame | |
Profile | Heritage (silicon glazing). Classique (silicon glazing). Heritage (vented/ gasket glazing system). Classique (vented/ gasket glazing system). |
Wood species | Timber. Accoya. Sapele. Oak. |
Finish as delivered | Painted. |
Ventilator | External - SELECT XHD16 358 grille brown. External - SELECT XHD16 358 grille white. External - SELECT XHD16 358 grille translucent. External - SELECT XHD16 358 grille brown. External - SELECT XHD16 358 grille white. External - fixed light concealed through frame. Internal - SELECT XR16 4600EA Brown. Internal - SELECT XR16 4600EA white. Internal - SELECT XR16 4600EA clotted cream. Internal - SELECT XR16 4600EA anthracite grey. Internal - SELECT XR16 4600EA black. Internal - SELECT XR16 4600EA brown. Internal - fixed light concealed through frame. |
Glazing or infill | |
Requirements | Antique lead single glazing. Antique lead single glazing - 3 mm clear. 16 mm glass. 4T-8-4T low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 4T-6-6T Black Lacobel low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 28 mm glass. 4 mm/ 20/ 4 mm Planitherm. Guidance for specification option: Specify infill gas separately; see Gas below. 4 mm toughened/ 20 / 4 mm toughened Planitherm. 4 mm OBS toughened/ 20/ 4 mm toughened Planitherm. Guidance for specification option: Specify infill gas separately; see Gas below. 6.8 mm laminate/ 18/ 4 mm Planitherm. Guidance for specification option: Specify infill gas separately; see Gas below. 6.8 mm laminate/ 18/ 4 mm toughened Planitherm. Guidance for specification option: Specify infill gas separately; see Gas below. 4T-20-4T low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 4T-18-6.8L low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 6T-16-6T low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 6T-16-6.8L low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 6T-14-8.8L low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 4T-20-4T low-E Guardian Sun. Guidance for specification option: Specify infill gas separately; see Gas below. 6T-16-6.8L low-E Guardian Sun. Guidance for specification option: Specify infill gas separately; see Gas below. 4T-18-6T Black Lacobel low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 30 mm glass. 4T-8-4T-8-4T low-E. Guidance for specification option: Specify infill gas separately; see Gas below. 4T-8-4T-8-4T soft coat 1.0 (x2). Guidance for specification option: Specify infill gas separately; see Gas below. Fire glass. 15 mm PyroStop-10-6.4L low-E - fire glass. Guidance for specification option: Specify infill gas separately; see Gas below. Special. Guidance for specification option: For quotes only - must be replaced for orders. Consult manufacturer for options and insert requirements. |
Hardware | Manufacturer's standard. Guidance for specification option: See below for handles and hinges. |
Operation | |
Type | Manual. |
Fixing features | Manufacturer guidanceConsult manufacturer and insert requirements. |
Frame colour/ finish | 01 Westbury White. Guidance for specification option: RAL 9010. 02 Birch. Guidance for specification option: Farrow & Ball Lime White. 03 Westbury Stone. Guidance for specification option: Farrow & Ball Drop Cloth. 04 Holland Linen. Guidance for specification option: M&L Candle. 05 Upton White. Guidance for specification option: Farrow & Ball James White. |
Spacer bar | Black. White. |
Gas | Argon. Guidance for specification option: Double glazing only. Krypton. Guidance for specification option: Double glazing only. Not applicable. Guidance for specification option: Single glazing. |
Glazing beads | Glazing beads -scribed/scribed. Vented / gasket glazing beads - scribed/scribed. RF panel glazing beads - MAR. VEE board panel glazing beads - mitred/scribed. |
Coating | None. SN70/35 4/6 mm. Westbury SunGuard 4S. SKN 176. |
Glazing options | None (clear glass). 6 mm Diamond Lead 135 x 230 mm. 9 mm Diamond Lead 135 x 230 mm. 6 mm Antiqued Diamond Lead 135 x 230 mm. 9 mm Antiqued Diamond Lead 135 x 230 mm. |
Glazing accessories | Not required. 21 mm putty style bar with 18 mm integral bar. 21 mm putty style bar with no integral bar. 21 mm putty style bar with 18 mm integral bar. QWOOD bonded astragals. |
Panels | Not required. Heritage door panel with bolection mould. Heritage vertical vee boarded door panel. Heritage horizontal vee boarded door panel. Heritage raised and fielded panel. |
Frame | HS/GS casement frame. HS 115 mm frame. |
Frame accessories | Internal frame bead - Staff. Internal frame bead - Lambs Tongue. Internal frame bead - Ovolo. Internal frame bead - Square Internal frame bead - Large Ovolo. |
Couplings | Integration coupling profile. Coupling profile to RH jamb. Coupling profile to LH jamb. Coupling profile to both jambs. |
Seals | Black GT sash seal. White GT sash seal. |
Handles | Window handles (all opening lights). Window handle by others. Non-standard window handle - supplied. Regent IMBA locking handle. Regent PVD gold locking handle. |
Sill | HH sill board groove. No internal window board groove. Internal window board groove @ 25. |
Sill projection | 30 mm. 50 mm. 63 mm. 75 mm. 80 mm. |
Accessories | Not required. Joint - inward opening door sill counterprofile. Sill extensions. 115 mm packers. Frame packers. |
Integral accessories | Concealed Capture Restrictor. |
Sustainability data
Material | Timber Glass |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 Revit | - | 1 |
 IFC | - | 1 |
Product certifications
Weathertightness Testing
W15232-3 Weather Final Test Report
PAS 24
R15521 Security Testing
Literature
Literature type
WWJ 2024-25 Brochure
Westbury Colour Chart
Sash Windows - Ironmongery Finishes
Westbury Windows & Joinery - Technical Specifications
Case studies
Elegant Essex Home - Replacement Bay Windows
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