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Classic Box Sash Window

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Classic Box Sash Window

Mumford & Wood Ltd

Third party certifications:

BSI Kitemark
Certificate type
QA Certificate
Certificate type

High performance traditional box sash windows.

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

Description

High performance vertical sliding box sash windows with slim double glazing period sightlines and details.

General information

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

Uniclass	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 Box Sash Window
Timber	Engineered Accoya Recommended in 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 section	Not required 98 mm Up and over cord for triple sash only. 162 mm 220 mm
Sill section (h x d)	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 required. Flush
Horns	Not required As drawing
External liner moulding	Not required Bead mould Ovolo mould
Horns	Required Not required
Finish	Colour from RAL classic range Insert requirement. Colour match Insert requirement. Dual finish Insert requirement. Three coats of spray applied water based micro-porous white paint (RAL 9003)
Windowboard groove	Not required Required
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 As standard. Whole window U-value: 1.7 W/m²K / G-value: 0.52. 14.8 mm Sound Control Double glazed unit comprising 6.8 mm Sound Control Laminated/ 4 mm Argon/ 4 mm Tough Planitherm One Whole window U-value: 2.0 W/m²K / G-value: 0.48. Whole window acoustic performance RW (C;Ctr) = 36db (-1;-4).
Perimeter spacer bar	White aluminium 14 mm glass units only. Silver/ black aluminium 14mm & 14.8mm glass units.
Ironmongery	Antique brass Sash catch, sash lifts, sash lock, sash pulley. Brass Sash catch, sash lifts, sash lock, sash pulley. 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. Nickle Sash catch, sash lifts, sash lock, sash pulley. Selected Croft ironmongery with bespoke finish Insert requirement.
Trickle ventilation	Not required Concealed through frame head trickle ventilator (reduced EA) Trickle ventilator (4600 mm EA) - Surface mounted canopy
Child restrictor	Required Not required

Standard product features	Frame section: 110 x 160 mm (liner x depth). Sash section: 64 x 57 mm (top/ side rail x depth) with 94 mm bottom rail and 43 mm midrail. Timber: Engineered clear grade knot free timber, all FSC certified. Chain of Custody can be specified. Operation: Pre-stretched nylon cords with sash weights and heavy duty pulley wheels. Finish: Three coat spray applied factory finish using water based micro-porous paint/ stain. Weatherseal: Schlegel Aquamac AQ109 & Sashglide® acoustic weatherpile. Glazing: External putty glazed in accordance with Glass and Glazing Federation requirements. 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 frames can be made to Mumford & Wood sections and details.

Third party certifications

BS EN 644
Timber FSC Certified
BS EN 6375 : Parts 1, 2, 3
ISO 9001
ISO 14001
British Woodworking Federation Member
CE Marked