Verified by manufacturer 4 months ago
Traditional double glazed
British Woodworking Federation
Certificate type
FSC
Certificate type
Made in Britain
Certificate type
Health & Safety Accreditation
Certificate type
Timber Casement Window
Suitable for residential and commercial applications.
The Sash Window Workshop's casement windows have been designed to meet the needs of the owners of period properties and for those who want windows with charm, warmth and an authentic feel.
The windows replicate as closely as possible the proportions and designs of traditional casement windows, whilst incorporating the latest manufacturing techniques.
Features and benefits:
Color | White Other |
Finish | Painted Stained |
Material | Wood |
Shape | Rectangle Circle Oval Triangle Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | 20 year Guidance for specification option: Timber Accoya |
Uniclass | |
CAWS | L10/10 Wood windows L10/210 Wood windows |
Standard | To EN 14351. |
Third-party certification | Buildcheck. |
Dimensions and configurations | Bespoke Sizes and Configuration.Manufacturer guidanceRefer to a drawing or schedule. |
Product performance | |
Fire performance | |
Fire resistance | N/A |
Fire egress | N/A |
Durability | |
Operation and strength characteristics | To BS 6375-2 |
Safety | |
Security level | To PAS 24.The Coastal Group Part Q Cascaded Test Certificate. |
Environmental | |
Background ventilation | Yes. |
Acoustic performance rating | 29 dB.Guidance for specification option: Standard float glass insulating glass unit, 4 mm/6–20 mm/4mm. A range of acoustic insulating glass units are also available; consult manufacturer. |
Thermal | |
Whole window U-value | 1.7 W/m2K. & 1.4W/m2KGuidance for specification option: Timber frame system with 4-10-4 Low-E 0.05 uncorrected emissivity (St Gobain Planitherm Total+), 90% argon 10% air filled, low iron outer pane (St Gobain Diamant) glazing unit with Edgetech Superspacer Premium spacer bar with 5mm hot melt butyl secondary seal. |
British Fenestration Rating Council Window Energy Rating | C & A |
Frame | |
Standard | To BS EN 942. |
Profile | Ovolo , Pencil bead & Bespoke |
Wood species | Window frame: Accoya; Cill section: Durable hardwood. |
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 | 3 no. coats of factory applied Sigma white semi gloss paint, 2 no. primer base coats, 1 no. top coat.Guidance for specification option: As standard. Bespoke.Guidance for specification option: Insert requirements. |
Preservative treatment to wood components | Not Applicable |
Ventilator | Titon Ventilators |
Frame horns | Not required.Extended cill horn. |
Glazing or infill | |
Standard | Relevant parts of BS EN 1279. |
Requirements | 4 mm Planitherm Total + internal glass, 10 mm airspace, argon gas, 4 mm low iron external glass.Guidance for specification option: Glass thickness: 23 mm (maximum). External finish: Single pane with bonded bar, intermediate bars as necessary. Manufacturer guidanceToughened glass is supplied as required by law. A wide range of other glass types including acoustic laminates are available on request. |
Hardware | Brass - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Brass - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Brushed chrome - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Brushed chrome - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Satin chrome - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Satin chrome - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Manufacturer guidanceA full range of casement window ironmongery and finishes are available at extra cost. Consult manufacturer. |
Operation | |
Type | Manual. |
Weather seal (factory applied) | Full weatherstripping integrated on all windows. |
Glazing bars | 16 mm Ovolo Bonded. 20 mm Ovolo Bonded. 24 mm Ovolo Bonded. 25 mm Ovolo Bonded. 28 mm Ovolo Bonded. |
Contains Red List materials | No |
Country of material origin | New Zealand |
Country of product manufacture | United Kingdom |
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