Rationel FORMAPLUS® Windows
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Application

Suitable for new-build or refurbishment projects. Consult manufacturer for details.

Description

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


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:

  • Brings a softer line to the windows.
  • 60 year life expectancy.
  • Over 200 colours available.
  • Range of configurations available.
  • U-value as low as 0.80 W/m²K (triple glazed).
  • Angled glazing bead and ovolo-moulded profile.
  • CE-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

Available in a wide range of colours.

-

Finish

Matt

High gloss

Material

Wood

  • 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

  • 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

Shape

Rectangular

WarrantyDescription

Ten years

Uniclass 2015

Pr_30_59_98_15 Composite window unitsPrimary

CAWS

L10/33 Proprietary windows

L10/400 Composite windows

Specification data - Composite window units Enhanced data

Standard

EN 14351-1:2006 + A2:2016.

Third-party certification

Secured by Design; PAS 24; Q-Mark; FSC; Danish Window Verification (DVV); Danish Indoor Climate label.

Dimensions and configurations

All units are bespoke; please contact manufacturer and insert requirements.

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


Available with or without glazing bars.

As drawing.

As schedule.

Other.

Insert requirements.

Product performance

-

Fire performance

-

Fire resistance

Manufacturer's standard.

Consult manufacturer.

Fire egress

Required.

Available with selected ironmongery, consult manufacturer for details. 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.

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

Air permeability

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

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

Watertightness

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

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

Resistance to wind load

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

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.

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.

Consult manufacturer.

Security level

Generally PAS 24:2016 and Secured by Design certified.

Secured by Design certification: Refer to SBD website for details.

Environmental

-

Frame to glazing ratio (maximum)

It may be necessary to influence the view out of, or the amount of daylight admitted by, the window. This may entail defining the glass:frame ratio. Insert, e.g. 20%.

-

Background ventilation

Manufacturer's standard.

  • 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

43 dB Rw.

Thermal

-

Whole window U-value

0.80 W/m²K.

Frame

-

Profile

Traditional, 50 mm.

Wood species

Pine from North-European species Pinus sylvestris.

Scots pine.

Chain of custody

FSC.

Appearance class

Manufacturer's standard.

  • 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 (timber frame).

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

  • Three-layer coating system: 1. Impregnation; 2. Priming; 3. Top coat.
  • The surface treatment system meets EN 113, EN 152 and EN 927.
  • The surface treatment system contains antifungal and anti-rot fungicides.
  • The top coat meets EN 927-6 in terms of UV-protection.
  • The total thickness on visible surfaces is 100 μm ±20.
  • For covering colours gloss is 20% ±5.
  • The system meets Danish Indoor Climate certification.

Metal finishes

-

Coating

(External)

Polyester powder coated.

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

Colour

Insert colour requirement.

RAL colours from the Classic K7 range, Granite, NCS range or anodized in silver or bronze.

Dual colour.

Insert requirements from options listed below.

Classic RAL K7, colour.

Insert colour requirement.

Granite, White SAA10F Sable.

Granite, Gris 2150 Sable.

Granite, Gris 2400 Sable.

Granite, Gris 2900 Sable.

Granite, Noir 2100 Sable.

Granite, Noir 900 Sable.

NCS, colour.

Insert colour requirement.

Anodized, silver.

Anodized, bronze.

Clear lacquer.

Internal only.

Film thickness (minimum)

60–120 µm as required, unless the specific colour requires a thicker layer to cover completely.

Frame horns

Not required.

Ventilator

Manufacturer's standard.

  • 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. 

Glazing or infill

-

Standard

Relevant parts of BS EN 1279.

Requirements

  • 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 6262: Glazing for buildings – Part 4: Code of practice for safety related to human impact.
  • 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.

Triple glazed.

Hardware

Not required.

For Fixed operation.

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.

Consult manufacturer for details.

Environmental information

Country of material origin

Denmark

Literature

Rationel FORMA/FORMAPLUS Catalogue

Rationel FORMA/FORMAPLUS Catalogue

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