Verified by manufacturer 19 days ago
Standard double glazed
British Woodworking Federation
Certificate type
FSC
Certificate type
Made in Britain
Certificate type
Health & Safety Accreditation
Certificate type
Carbon Footprint Standard
Certificate type
Traditional weight hung sash windows.
The Timber Cord Hung Sliding Sash Window has been designed to improve energy efficiency while complementing the architectural style of the building.
The sash windows can replicate as closely as possible the proportions and designs of historic sash windows, whilst incorporating the latest manufacturing techniques.
Features and benefits:
Color | White Beige Black Blue Brown |
Finish | Painted Stained Semi-gloss |
Material | Wood |
Shape | Rectangle Square Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | 50 year Guidance for specification option: Accoya warranty Manufacturer guidanceSash windows made in Accoya come with a 50 year anti-rot guarantee. 20 year joinery guarantee. |
Material | Wood |
Uniclass | |
CAWS | L10/10 Wood windows L10/210 Wood windows |
Standard | To EN 14351. |
Third-party certification | Buildcheck |
Dimensions and configurations | Manufacturer guidanceRefer to a drawing or schedule. |
Product performance | |
Fire performance | |
Fire resistance | N/A |
Fire egress | Yes |
Weather performance | |
UK exposure category | To BS 6375-1, 1600 Pa. |
Air permeability | To BS 6375-1, Class 2. |
Watertightness | To BS 6375-1, Class 5A. |
Resistance to wind load | To BS 6375-1, Class A4. |
Durability | |
Operation and strength characteristics | To BS 6375-2 |
Safety | |
Security level | To PAS 24. |
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. & 1.4 W/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 5 mm hot melt butyl secondary seal. |
British Fenestration Rating Council Window Energy Rating | C. & A |
Frame | |
Standard | To BS EN 942. |
Profile | Pencil Bd / Bespoke |
Wood species | Accoya/ Tricoya.Guidance for specification option: Tricoya is used for box frames up to 2200 mm in height or width. Accoya is used for box frames over 2200 mm in height or width. |
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 | N/A |
Ventilator | Titon |
Frame horns | Top sash: No horn.Top sash: 90 mm Victorian horn.Top sash: 70 mm short Victorian.Bottom sash: No horn.Bottom sash: 90 mm Victorian horn.Bottom sash: 70 mm short Victorian.Bespoke. |
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. |
Hardware | Brass - 4 no. pulley wheels, 1 no. fitch catch, 2 no. sash lifts, 1 no. rola lock set.Satin chrome - 4 no. pulley wheels, 1 no. fitch catch, 2 no. sash lifts, 1 no. rola lock set.Brushed chrome - 4 no. pulley wheels, 1 no. fitch catch, 2 no. sash lifts, 1 no. rola lock set.Manufacturer guidanceA full range of sash window ironmongery and finishes available at extra cost. Consult manufacturer. |
Operation | |
Type | Manual. |
Electrical supply | N/A |
Weather seal (factory applied) | Full weatherstripping integrated into the sashes frames and beading. |
Glazing bars | 16 mm Ovolo Bonded. 20 mm Ovolo Bonded. 24 mm Ovolo Bonded. 30 mm Ovolo Bonded. 24 mm Ovolo Heritage. |
Design | 1 over 1. 2 over 1. 2 over 2. 3 over 3. 6 over 6. |
Contains Red List materials | No |
Country of material origin | New Zealand |
Country of product manufacture | United Kingdom |
Material | Wood |
Manufacturing plant location | |
Recyclability | Yes |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
British Woodworking Federation
British Woodworking Federation Membership
FSC
FSC Certified
Made in Britain
Made in Britain
Health & Safety Accreditation
SafeContractor Certificate
Carbon Footprint Standard
2023 Carbon emissions offsetting for Carbon Neutral Plus status
Carbon Footprint Standard
Carbon Footprint Assessment 2022 Certificate
Accoya Approved Manufacturer
Brochure: The Sash Window Workshop
FENSA Certificate
Listed Building and Conservation Area Guide
Supply Only Delivery, Storage and Fitting Guidelines
Supply Only Guarantee
Supply and Fit Guarantee and Maintenance Guidelines
Accoya: Sustainable and Durable Timber
Sash Window Technical Guide
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