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Classic Spring Sash Window

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Classic Spring Sash Window

Mumford & Wood Ltd

Third party certifications:

QA Certificate
Certificate type
BSI Kitemark
Certificate type

High performance spring balanced operated sash window.

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+44 (0)1621 818155 www.mumfordwood.com

Description

High performance vertical sliding sash windows with slim glazing units, period sightlines and details, in module sizes or made to measure.

General information

Finish	Colour from RAL classic range Insert requirement. Colour match Insert requirement. Dual finish Insert requirement. Three coats of spray applied micro-porous white paint (RAL 9003)

Uniclass 2015	Pr_30_59_98_96 Wood window unitsPrimary
CAWS	L10/10 Wood windows L10/210 Wood windows

Product range	Classic Range

Specification data - Wood window units

Product Reference	Classic Spring Sash Window
Timber	Engineered Accoya Recommended for coastal areas. Engineered clear grade knot free Siberian Larch frame and sashes with Accoya internal/ external liners and midrail with hardwood Sapele sill As standard. Engineered Hardwood Red Grandis
Mullion sections	78 mm 98 mm
Sill section (height x depth)	68 x 163 mm 90 x 163 mm
Sill projection	35 mm 60 mm 85 mm 110 mm 140 mm 90 x 163 mm sill section required. Flush
Horns	Not required As drawing
Staff bead	Click fit removable staff bead Timber glued and pinned
External liner moulding:	Bead mould Ovolo mould Not required
Horns	Not required Required
Finish	Colour from RAL classic range Insert requirement. Colour match Insert requirement. Dual finish Insert requirement. Three coats of spray applied micro-porous white paint (RAL 9003)
Windowboard groove	Required Not required
Frame profile moulding	Lambs Tongue Ovolo Square
Glazing bars and sash internal perimeter profile	24 mm Lambs Tongue 24 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 One Whole 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 One Whole window U-value: 2.0 Wm²K / G-value: 0.52.
Perimeter spacer bar	White aluminium 14 mm glass units only. Silver/black aluminium 14 and 14.8 mm glass units.
Ironmongery	Antique brass Sash catch, sash lifts, sash lock, sash pulley. Brass Sash catch, sash lifts, sash lock, sash pulley. Croft ironmongery with bespoke finish Insert requirement. Oil rubbed bronze Sash catch, sash lifts, sash lock, sash pulley. Polished chrome Sash catch, sash lifts, sash lock, sash pulley. Satin chrome Sash catch, sash lifts, sash lock, sash pulley. Satin nickle Sash catch, sash lifts, sash lock, sash pulley.
Trickle ventilation	Not required Concealed through frame head trickle ventilator (reduced EA) Trickle ventilator (4600 mm EA) Surface mounted canopy.
Child restrictor	Not required Required

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 Air permeability: EN 1026:2000 Class 3. Water tightness: EN 1027:2000 Class 7A. Wind resistance: EN 12211:2000 Class C5.
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.

Literature

Site instruction, aftercare manual & warranty

Site instruction, aftercare manual & warranty

Mumford & Wood Product Brochure

Mumford & Wood Product Brochure

Third party certifications

Timber FSC Certified
BS EN 644
BS EN 6375 : Parts 1, 2, 3
ISO 9001
ISO 14001
British Woodworking Federation Member
Timber Window Accreditation Scheme Approved Manufacturer
Wood Window Alliance Founding Member
CE Marked