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Rationel FORMAPLUS® Windows

Verified by manufacturer 3 months ago

Double glazed

Rationel Windows Variant:
Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

  • BM Trada

    BM Trada

    Certificate type

  • Secured By Design

    Secured By Design

    Certificate type

  • Qualicoat approval

    Qualicoat approval

    Certificate type

High-quality laminated flush sash timber windows with a Scandinavian traditional design.

Jump to:
+44 (0)1480 759511 Website

Application

  • For new-build and refurbishment projects.
  • Suited to low energy or Passive House projects.
  • Consult manufacturer for details.

Description

Made from timber, with external aluminium cladding, it offers all the benefits of natural wood on the inside and easy maintenance on the outside. Traditional windows for the 21st century.


Features and benefits:

  • Low maintenance.
  • Brings a softer line to the windows.
  • Over 200 colours available.
  • Range of configurations available.
  • U-value as low as 0.80 W/m²K (triple glazed).
  • Sound reduction up to 43 dB Rw (triple glazed).
  • Angled glazing bead and ovolo-moulded profile.
  • UKCA-marked and resistance tested to wind load, air permeability and watertightness.
  • FSC certified.
  • Secured by Design licence holder.
  • Matching doors also available (specified separately).
  • Solid timber version also available (FORMA; specified separately).

General information

Color

-

Manufacturer guidance

Available in a wide range of colours.

Finish

Matt

Anodized

Gloss

Material

Wood

Guidance for specification option:

Timber frame internally


  • The timber used in the manufacture is supplied from FSC-certified North European coniferous trees from selected sawmills with sustainable forest management.
  • The proportion of heartwood is at least 60% for exterior rebates and surfaces.
  • In general, knots and small cracks are cut off and the wood finger-jointed.
  • However, minor knots will be permitted.
  • All softwood sections are laminated and their edges rounded.


Aluminium

Guidance for specification option:

Aluminium cladding externally


  • Since the external aluminium cladding functions solely as a climate envelope, it does not form part of the sealing face.
  • The cladding is attached using plastic clips to ensure the necessary draining and ventilation of the wood components.
  • The aluminium alloy must be EN AW-6060 or EN AW-6063 in accordance with EN 755-2.
  • Aluminium glazing beads are polyester powder-coated to a coating thickness of 60-120 microns, standard gloss 30.


Glass

Guidance for specification option:

Two choices of Insulating glass units: 32 mm or 48 mm. Toughened/ laminated glass where required, allowing for 6.8 mm laminate where secured by design is required.


Insulating glass units conform to:


  • BS 952 Glass for glazing – Part 1: Classification.
  • BS EN 572 Glass in building – Basic soda lime silicate glass products – Part 2: Float glass.
  • BS EN 12150 Glass in building – Thermally toughened soda lime silicate safety glass – Part 1: definition and description.
  • BS EN ISO 12543 Glass in building – Laminated safety glass.
  • BS EN 12600 Specification for impact performance.
  • BS EN 1279 Glass in building – Insulating glass units.
  • BS 6262 Code of practice for glazing for buildings.
  • BS 6206 Specification for impact performance requirements for flat safety glass and safety plastics for use in buildings.
  • BS EN 6180 Barriers in and about buildings – Code of practice.


Shape

Rectangle

Square

Other

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

Ten year

Uniclass

Pr_30_59_98_15 Composite window unitsPrimary

CAWS

L10/33 Proprietary windows

L10/400 Composite windows

Product range

Rationel FORMAPLUS® Windows and Doors

Specification data - Composite window units

Standard

To EN 14351-1:2006 + A2:2016.

Third-party certification

PAS24:2022; Secured by Design; Q-Mark product certification, FSC, Danish window verification and indoor climate label.

Dimensions and configurations

As drawing.

As schedule.

Manufacturer guidance

All units are bespoke please contact manufacturer to discuss, and insert requirements.


Note that minimum/ maximum sizes vary depending on operation specified.


Available with or without glazing bars.

Product performance

-

Fire performance

-

Fire egress

Required.

Guidance for specification option:

Indicate where these are to be located by schedule or drawing.

Not required.

Weather performance

-

UK exposure category

Generally 1600 Pa to BS 6375-1:2004.

Guidance for specification option:

Refer to manufacturer's literature (DoP) for details.

Air permeability

Generally 600 Pa to BS EN 1026/ BS EN 12207 Class 4.

Guidance for specification option:

Refer to manufacturer's literature (DoP) for details.

Watertightness

Generally 600 Pa to BS EN 1027/ BS EN 12208 class 9A.

Guidance for specification option:

Refer to manufacturer's literature (DoP) for details.

Resistance to wind load

Generally 1600 Pa to BS EN 12211/ BS EN 12210 class 4C.

Guidance for specification option:

Refer to manufacturer's literature (DoP) for details.

Durability

-

Operation and strength characteristics

Operating forces to BS EN 12046-1/ BS 13115: Class 1; EN 1191/ EN 12400 repeated open/close 10000/20000: class 2 or 3.

Guidance for specification option:

EN 1191/ EN 12400 repeated open/close 10000/20000: depends on opening function specified.

Loadbearing capacity of safety devices

EN 14351-1:2006 +A2:2016.

Safety

-

User design standards

Manufacturer's standard.

Guidance for specification option:

Consult manufacturer.

Security level

Not required.

To PAS 24 and Secured by Design.

Guidance for specification option:

On request.

Environmental

-

Background ventilation

Manufacturer's standard.

Guidance for specification option:

  • Externally concealed trickle ventilators will be incorporated into the framing sections to provide a free area of 4000 mm².
  • Equivalent areas will be tested in accordance with BS EN 13141-1: 2004 and will provide 2224 mm² when ventilators are placed in the frame and 3786 mm² when ventilators are placed in the board.
  • Performance data based on test conducted through the window frame and board. 

Acoustic performance rating

40 dB Rw.

Thermal

-

Whole window U-value

1.28 W/m²K.

British Fenestration Rating Council Window Energy Rating

Consult manufacturer for details.

Thermal improvement

Consult manufacturer for details.

Frame

-

Profile

Traditional, 50 mm.

Wood species

Pine from North-European species Pinus sylvestris.

Chain of custody

FSC.

Appearance class

Guidance for specification option:

  • Extruded aluminium profiles in accordance with BS EN 755-2 (mechanical properties), BS EN 12020-2 & BS EN 755-9 (dimensional accuracy).
  • Alloys: EN AW-6060 T5, EN AW-6063 T5, EN AW-6082, EN AW-6005.

Wood finishes

Manufacturer's standard.

Guidance for specification option:

Timber frame:

Water-based diffusion open timber surface treatment system consisting of multiple layers.

  • Three layer coating system: Impregnation/ priming/ top coat.
  • Surface treatment system meets EN113, EN152 and EN927
  • Surface treatment system contains antifungal and anti-rot fungicides.
  • Top coat meets EN 927-6 in terms of UV-protection.
  • Total thickness on visible surfaces is 100 μm ±20. 
  • For covering colours gloss is 20% ±5. 
  • System meets Danish Indoor Climate certification.

Metal finishes

-

Coating

Polyester powder coated.

Guidance for specification option:

Aluminium (external):

Polyester powder coat in compliance with BS EN 6496, BS EN 6497, & DIN 50939 with applicators to be registered under the European Qualicoat and/or GSB quality assurance schemes.

Manufacturer guidance

(External)

Colour

Polyester powder coated.

Guidance for specification option:

Polyester powder coated - RAL colours from the Classic K7 range, Granite, NCS range, consult manufacturer for options and insert requirements.

Anodized, silver.

Anodized, bronze.

Clear lacquer.

Guidance for specification option:

Internal only.

Film thickness (minimum)

60–120 µm.

Guidance for specification option:

As required, unless the specific colour requires a thicker layer to cover completely.

Ventilator

Standard trickle vent.

Guidance for specification option:

Externally concealed trickle ventilators will be incorporated into the framing sections. Ventilators are placed in the frame jamb or in the frame head.

Site fitted acoustic vent.

Not required.

Glazing or infill

-

Standard

Relevant parts of BS EN 1279.

Guidance for specification option:

Various panel build ups available, consult manufacturer.

Requirements

Double glazed.

Guidance for specification option:

32 mm double glazing rebate; Insulated Glass Units (IGUs) and panels.

Hardware

Not required.

Factory fitted restrictor.

Locking handle.

Non-locking handle.

Child restrictor handle.

Click vent.

Night vent position lock.

Operation

-

Type

Fixed.

Side hung.

Side guided (for internal clean).

Top guided.

Top swing fully reversible (for internal clean).

Side swing (for internal clean).

Fixing features

Manufacturer's standard.

Guidance for specification option:

Consult manufacturer for details.

Sustainability data

Country of material origin

Denmark

Country of product manufacture

Poland

Material

Wood

Guidance for specification option:

Timber frame internally


  • The timber used in the manufacture is supplied from FSC-certified North European coniferous trees from selected sawmills with sustainable forest management.
  • The proportion of heartwood is at least 60% for exterior rebates and surfaces.
  • In general, knots and small cracks are cut off and the wood finger-jointed.
  • However, minor knots will be permitted.
  • All softwood sections are laminated and their edges rounded.


Aluminium

Guidance for specification option:

Aluminium cladding externally


  • Since the external aluminium cladding functions solely as a climate envelope, it does not form part of the sealing face.
  • The cladding is attached using plastic clips to ensure the necessary draining and ventilation of the wood components.
  • The aluminium alloy must be EN AW-6060 or EN AW-6063 in accordance with EN 755-2.
  • Aluminium glazing beads are polyester powder-coated to a coating thickness of 60-120 microns, standard gloss 30.


Glass

Guidance for specification option:

Two choices of Insulating glass units: 32 mm or 48 mm. Toughened/ laminated glass where required, allowing for 6.8 mm laminate where secured by design is required.


Insulating glass units conform to:


  • BS 952 Glass for glazing – Part 1: Classification.
  • BS EN 572 Glass in building – Basic soda lime silicate glass products – Part 2: Float glass.
  • BS EN 12150 Glass in building – Thermally toughened soda lime silicate safety glass – Part 1: definition and description.
  • BS EN ISO 12543 Glass in building – Laminated safety glass.
  • BS EN 12600 Specification for impact performance.
  • BS EN 1279 Glass in building – Insulating glass units.
  • BS 6262 Code of practice for glazing for buildings.
  • BS 6206 Specification for impact performance requirements for flat safety glass and safety plastics for use in buildings.
  • BS EN 6180 Barriers in and about buildings – Code of practice.


BIM objects

Platform Compatible Version
Revit
 -

1

Third party certifications

QA Certificate

QA Certificate

FSC® certified wood

BM Trada

BM Trada

Q-Mark Window General Performance scheme

Secured By Design

Secured By Design

Secured by Design certificate

BM Trada

BM Trada

Q-Mark Enhanced Security Window scheme

Qualicoat approval

Qualicoat approval

Certificate for a Coating Applicator

Literature

Rationel windows and doors brochure

Rationel windows and doors brochure

User Guide

User Guide

Case studies

Long cottage - Oxfordshire

Long cottage - Oxfordshire

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