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Application

Suitable for house remodeling projects or new builds.

Description

Lignum timber flush casement windows offer a classic design that suits any property style. A popular choice for replacing traditional windows, the flush sash frame can also be paired with contemporary glazing bars and hardware.

Externally, the outerframe and sash are flush and feature slim sightlines to provide a larger glass area. The window system is internally beaded to enhance security, certified to PAS 24:2022 and part of a registered Secured by Design scheme.

The Lignum Flush Casement Window is A-rated for energy efficiency and has a U-value of 1.3 W/m²K with a warm-edge Low-E argon-filled double-glazed unit. U-values of 1.0 W/m²K or below can be achieved with triple-glazing.

Features and benefits:

  • PAS 24:2022 security.
  • 0.9–1.3 W/m²K U-value.
  • Document L, Document M and Document Q compliant.
  • Tested to BS 6375-1, 2 and 3.
  • Double, triple or vacuum glazing.

General information

Color

Beige

Brown

Cream

Green

Purple

Finish

Stained

Painted

Material

Wood

Glass

Shape

Rectangle

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

30 year

Guidance for specification option:

Rot and fungal decay.

Ten year

Guidance for specification option:

Workmanship, paint finish and hardware.

15 year

Guidance for specification option:

Glazing up to 15 years.

Uniclass

Pr_30_59_98_96 Wood window unitsPrimary

CAWS

L1/304 Wood windows

L10/10 Wood windows

L10/210 Wood windows

Sustainability data

Material

Wood
Glass

Literature

TJN_DATA SHEET_CASEMENT WINDOW_JAN26

TJN_DATA SHEET_CASEMENT WINDOW_JAN26

LIGNUM_TIMBER_BROCHURE_DOWNLOAD

LIGNUM_TIMBER_BROCHURE_DOWNLOAD

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