BSI Kitemark
Certificate type
High performance spring balanced operated sash window.
High performance vertical sliding sash windows with slim glazing units, period sightlines and details, in module sizes or made to measure.
| Finish | Colour from RAL classic rangeInsert requirement. Colour matchInsert requirement. Dual finishInsert requirement. Three coats of spray applied micro-porous white paint (RAL 9003) |
| Uniclass 2015 | Wood window units (Pr_30_59_98_96) |
| Product Reference | Classic Spring Sash Window |
| Timber | Engineered AccoyaRecommended for coastal areas. Engineered clear grade knot free Siberian Larch frame and sashes with Accoya internal/ external liners and midrail with hardwood Sapele sillAs standard. Engineered Hardwood Red Grandis |
| Mullion sections | 78 mm98 mm |
| Sill section (height x depth) | 68 x 163 mm90 x 163 mm |
| Sill projection | 35 mm60 mm85 mm110 mm140 mm90 x 163 mm sill section required. Flush |
| Horns | Not requiredAs drawing |
| Staff bead | Click fit removable staff beadTimber glued and pinned |
| External liner moulding: | Bead mouldOvolo mouldNot required |
| Horns | Not requiredRequired |
| Finish | Colour from RAL classic rangeInsert requirement. Colour matchInsert requirement. Dual finishInsert requirement. Three coats of spray applied micro-porous white paint (RAL 9003) |
| Windowboard groove | RequiredNot required |
| Frame profile moulding | Lambs TongueOvoloSquare |
| Glazing bars and sash internal perimeter profile | 24 mm Lambs Tongue24 mm Ovolo |
| Glass units and whole product U-values/ G-values | 14 mm double glass unit comprising 4 mm Tough / 6 mm Krypton / 4 mm Tough Planitherm OneWhole window U-value: 1.7 W/m²K / G-value: 0.52. 14.8 mm double glazed unit comprising 6.8 mm laminated / 4 mm Krypton / 4 mm Toughened Planitherm OneWhole window U-value: 2.0 Wm²K / G-value: 0.52. |
| Perimeter spacer bar | White aluminium14 mm glass units only. Silver/black aluminium14 and 14.8 mm glass units. |
| Ironmongery | Antique brassSash catch, sash lifts, sash lock, sash pulley. BrassSash catch, sash lifts, sash lock, sash pulley. Croft ironmongery with bespoke finishInsert requirement. Oil rubbed bronzeSash catch, sash lifts, sash lock, sash pulley. Polished chromeSash catch, sash lifts, sash lock, sash pulley. Satin chromeSash catch, sash lifts, sash lock, sash pulley. Satin nickleSash catch, sash lifts, sash lock, sash pulley. |
| Trickle ventilation | Not requiredConcealed through frame head trickle ventilator (reduced EA)Trickle ventilator (4600 mm EA)Surface mounted canopy. |
| Child restrictor | Not requiredRequired |
| Standard product features | Timber: Engineered clear grade knot free timber, all FSC certified. Chain of Custody can be specified. Frame section (liner x depth): 110 x 160 mm. Sash section: 64 x 57 mm (top/ side rail x depth) with 94 mm bottom rail and 43 mm midrail. Finish: Three coat spray applied factory finish using water based micro-porous paint/ stain. Weatherseal: Schlegel Aquamac AQ109 & Sashglide® acoustic weatherpile. Glazing: Externally putty glazed in accordance with Glass and Glazing Federation requirements. Parting bead: Click fit removable parting bead. Operation: Counter balanced with spring balances. Performance
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| Product Options | Type: Include specific frame dimensions, configuration and glazing bar designs with specification. Provide drawings if available. Feature windows: Shaped or curved on plan frames can be made to Mumford and Wood sections and details. |