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GBS78 Triple Glazed Timber Inward Opening Window

Verified by manufacturer 3 months ago

21 Degrees Third party certifications:
  • UK Conformity Assessed (UKCA)

    UK Conformity Assessed (UKCA)

    Certificate type

  • Secured By Design

    Secured By Design

    Certificate type

  • PAS 24

    Certificate type

Triple glazed timber inward opening windows with 78 mm sash/ frame depth.

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BOS
+44 (0)1484 461705 Website

Application

Cost-effective solution for replacement, retrofit and low-energy new build projects including Passivhaus and EnerPHit.

Description

Triple glazed timber window, inward opening.


A suitable choice for low-energy projects, whether simply replacing windows or specifying for a new home. GBS-78 is a cost-effective solution for retrofits and low-energy new build projects. With a choice of designs and styles, this range will enhance any project at a competitive price.


The number 78 refers to the depth of the window frame.


Features and benefits:

  • U value: 0.80 W/m²K.
  • Aluminium clad windows available (specified separately).
  • Dual compression seals for long term airtightness.
  • Maximum sash size of 1325 x 2005 mm.
  • UKCA marked.
  • All windows have integral draught seal(s) all round.
  • All windows carry Forest Stewardship Council Chain of Custody certification.
  • Manufactured under independent UKAS approved third party certification.
  • PAS24 certified.
  • Secured by Design option.
  • Triple unit: Argon fill 44 mm.
  • Light transmission value: 73%.
  • Triple glazed as standard.
  • Tilt and turn window options available.

General information

Color

Clear

Beige

Black

Blue

Bronze

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Finish

Satin

Painted

Stained

Other

Material

Timber

Composite

Shape

Rectangle

Square

Circle

Other

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

Ten year

Uniclass

Pr_30_59_98_96 Wood window unitsPrimary

CAWS

L10/10 Wood windows

L10/210 Wood windows

Specification data - Wood window units

Third-party certification

Third-party-accredited by UKAS-approved or recognized body.

Dimensions and configurations

-

Manufacturer guidance

Consult manufacturer for details and insert requirements. Maximum sash size of 1325 x 2005 mm.

Product performance

-

Weather performance

-

UK exposure category

To BS 6375-1, 2000+ Pa.

Air permeability

To BS 6375-1, Class 4.

Watertightness

To BS 6375-1, Class 9A.

Resistance to wind load

To BS 6375-1, Class E2400.

Durability

-

Operation and strength characteristics

To BS 6375-2.

Loadbearing capacity of safety devices

Pass; 350 N when fitted.

Safety

-

Security level

High security (Secured by Design).

Standard.

Guidance for specification option:

Standard configuration 4E-16A-4-16A-E4 (E – low E coating; A – Argon 90%).

Thermal

-

Whole window U-value

0.80 W/m²K.

Frame

-

Profile

66 mm.

Guidance for specification option:

Standard.

80 mm.

Guidance for specification option:

Optional.

99 mm.

Guidance for specification option:

Optional.

Wood species

Redwood/ composite.

Chain of custody

FSC.

Finish as delivered

Full factory treatment and finish from Remmers Baustofftechnik.

Manufacturer guidance

Specify interior and exterior finishes separately below.

Ventilator

Not required.

Aluminium, 4000 mm² EA.

Guidance for specification option:

Insert RAL colour requirement.

Aluminium, 5000 mm² EA.

Guidance for specification option:

Insert RAL colour requirement.

Aluminium, 8000 mm² EA.

Guidance for specification option:

Insert RAL colour requirement.

Manufacturer guidance

Trickle vents.

Glazing or infill

-

Standard

Relevant parts of BS EN 1279.

Requirements

Triple glazed, 44 mm - Standard.

Triple glazed, 44 mm - Toughened.

Triple glazed, 44 mm - Laminated (inner) (middle) (outer).

Triple glazed, 44 mm - Toughened (inner) (middle) (outer).

Triple glazed, 44 mm - Obscure, pattern.

Triple glazed, 44 mm - Self-cleaning.

Triple glazed, 44 mm - Solar control.

Triple glazed, 44 mm - Acoustic.

Manufacturer guidance

2 x soft coat low-E, Argon fill 90%.


  • All glass shall be of the required specification to meet safety requirements in accordance with Building Regulations Approved Document K. 
  • All glass shall be suitable to meet anticipated wind loads according to BS6262-3:2005.
  • All glass specified as a barrier or balustrade to protect from falls shall be in accordance with the requirements of Building Regulations Approved Document K and BS6180:2011 .
  • All glazing shall be with triple glazed, hermetically sealed units manufactured to BS EN 1279-5:2018 with soft coat low emissivity coatings (ε ≤ 0.05) at positions 2 & 5 as measured from the exterior, Argon fill 90% and warm edge spacers (Ψ ≤ 0.040 W/mK). U value of standard glazing shall be ≤ 0.55 W/m²K and g value ≥ 50%.


Hardware

Inward opening, Siegenia Titan.
Mila handles.

Operation

-

Type

Manual - tilt and turn.

Manual - tilt only.

Manual - turn only.

Air tightness

To BS EN 12207, Class 4 - 600 Pa.

Light transmission

73%.

Finish

Nature effect.

Painted, RAL classic.

Painted, RAL design.

Painted, NCS1950.

Painted, Farrow and Ball.

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Manufacturer guidance

Interior finish.

External finish

Nature effect.

Painted, RAL classic.

Painted, RAL design.

Painted, NCS1950.

Painted, Farrow and Ball.

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Depth

78 mm (frame and sash depth).

Frame height

92 mm (frame and sash - jambs and head).

Spacers

Swisspacer Ultimate warm edge, Black.

Gasket

Black.

Handles

Locking.

Non-locking.

Handle colour

Matt chrome.

Polished chrome.

Gold.

White.

Black.

Glazing bars

Not required.

Standard, with interstitial bars.

Windowboard groove

Required.

Not required.

Accessories

Not required.

Child safety restrictors.

Remote opening system.

Guidance for specification option:

Insert requirements.

Extension sill, Accoya.

Guidance for specification option:

Insert size requirement.

Extension sill, aluminium (RAL).

Guidance for specification option:

Insert size (≤ 400 mm) and RAL requirement.

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Sustainability data

Country of material origin

Europe

Country of product manufacture

Europe

Material

Timber

Composite

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
Revit
-

1

IFC
-

1

Third party certifications

UK Conformity Assessed (UKCA)

UK Conformity Assessed (UKCA)

UKCA Declaration of Conformity

Secured By Design

Secured By Design

Secured By Design

PAS 24

PAS 24

PAS 24

Literature

Windows brochure

Windows brochure

Case studies

The Hen House, Sheffield

The Hen House, Sheffield

Revitalising a home: From rotting frames to energy-efficient elegance

Revitalising a home: From rotting frames to energy-efficient elegance

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