NBS Source
List your products
Description

Made-to-order, traditionally operated, single glazed sash window with elegant true glazing bars. Designed to meet English heritage and conservation officer requirements. Externally glazed and weather sealed.

Features:

  • Traditional pre-stretched nylon cords, lead sash weights and pulley wheels sash operation.
  • Factory single glazed.
  • FSC® Chain of Custody certified timber as standard.
  • Timber parting bead.
  • Externally glazed with putty.
  • Hardwood sill.
  • Self-engaging top sash locks and restrictors.
  • Weather-stripped but not tested.
  • Primed white for site finishing by others.

Accreditations:

  • FENSA registered company.
  • BM Trada Chain of Custody Certification.
  • FSC Certified.
  • BWF.
  • Achilles BuidingConfidence member.

General information
Size

As drawing

As schedule

Material

Engineered Accoya

Engineered European larch

Engineered European oak

Engineered hardwood

Engineered redwood

Standard.

Features

Traditional pre-stretched nylon cords, lead sash weights and pulley wheels sash operation

Factory single glazed

FSC® Chain of Custody certified timber as standard

Timber parting bead

Externally glazed with putty

Hardwood sill

Self-engaging top sash locks and restrictors

Weather-stripped but not tested

Primed white for site finishing by others

Uniclass 2015
Wood window units (Pr_30_59_98_96)Primary
Specification data - Wood window units
Product Reference

04 Historic Single Glazed Sash Window

Size

As drawing

As schedule

Configuration

Fixed bottom sash

Fixed top sash

Sliding sash window

Standard.

Material

Engineered Accoya

Engineered European larch

Engineered European oak

Engineered hardwood

Engineered redwood

Standard.

Frame/ sash profile -
Internal

Lambs tongue

Ovolo

Square

External

Bead moulded liner

Moulded to match inner sash/ frame profile

Square external liner

Standard.

Glazing -
Type

4 mm thick toughened

Standard.

6 mm thick toughened

Internal glazing bars

20 mm lambs tongue profile

20 mm ovolo profile

Standard.

Sill -
Extension

35 mm

60 mm

85 mm

110 mm

Horns

Insert length requirement.

Sash -
Horns

Not required

Type A

Type B

Operation

Fixed bottom sash

Fixed top sash

Ironmongery -
Window pulleys

Antique brass

Brass

Polished chrome

Satin chrome

Satin nickel

Window lifts

Antique brass

Brass

Polished chrome

Satin chrome

Satin nickel

Window catches

Antique brass

Brass

Satin chrome

Satin nickel

Angel vent locks

Brass

Polished chrome

Satin chrome

White

Trickle vents

Not required

Concealed through the frame head

Accessories

None

Satin obscure glass

Window board groove

Special order

Insert requirements.

Standard product features

Frame:

96 x 139 mm (lining width x frame depth), manufactured using mortise and tenon joints, glued and mechanically fixed.

Sash:

  • 56 x 44 mm top rail and stiles, 80 x 44 mm bottom rail, 44 x 44 mm meeting rail. Manufactured using mortise and tenon joints, glued and mechanically fixed.
  • Operation: 6 mm pre stretched nylon sash cord, lead weights and pulley wheels.

Mullion/ transom:

189 mm wide (132 mm for triple sash with fixed outer sash).

Sill:

68 x 144 mm flush sill.

Staff/ parting beads:

Timber.

Wood moisture content:

12–19%.

Product Options

Material:

Marine specification: For projects in coastal or island environments please contact manufacturer for information.

Installation:

Manufacturer installation service packages are available, contact manufacturer for information.

Literature
Similar products from Lomax + Wood Limited