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CS Rain Defence Louvres RSH-5700

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Construction Specialties (UK) Ltd Variant:

High-performance louvres with horizontal blades and visible mullions, offering great protection against wind-driven rain penetration and good airflow. Class A rain defence up to 3.0 m/s.

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Application

Rain defence louvres for applications requiring good airflow and efficient protection against wind-driven rain ingress.

Description

High performance louvres with horizontal blades and visible mullions, offering great protection against wind-driven rain penetration and good airflow. Class A rain defence up to 3.0 m/s.

Features and benefits:

  • Complex extruded blade design for excellent rain defence performance.
  • Multiple channels in blades and vertical jambs & mullions to collect and drain water from the louvred area.
  • Class 2 airflow performance in air intake and class 3 in exhaust applications.
  • Interlocking visible mullions to align with other façade elements. Choice of visible or invisible horizontal joints between units.
  • Choice of frames for integration into structural openings, curtain walling or glazing.
  • Delivered to site as pre-fabricated modules for efficient installation.
  • Blast resistant and RC2 security rated options available.
  • Slimline single bank design.
  • Sight-proof design.

General information

Color

Silver

Other

Finish

Mill

Anodized

Powder-coated

Material

Aluminium

Length

129 mm

Guidance for specification option:

Unit depth, standard section on elevation only.

For glazed facades, unit depth is 133 mm.

Width

Bespoke

Manufacturer guidance

Maximum module width: 3600 mm (based on 1.5 kPa wind load).

For manual handling purposes max 80kg / unit is recommended. Unit weight is 25 kg/m2, based on a 2 m x 2 m module size.

Height

Bespoke

Manufacturer guidance

Maximum module height: 3600 mm (based on 1.5 kPa wind load).

For manual handling purposes max 80kg / unit is recommended. Unit weight is 25 kg/m2, based on a 2 m x 2 m module size.

Warranty description

Two year

Guidance for specification option:

Product warranty.

Warranty for finishes (powder-coated or anodised) is up to 30-years.

Uniclass

Pr_30_59_48_04 Aluminium louvre panel unitsPrimary
Ss_25_10_20/540 Custom-made louvres

CAWS

H11/140 Louvres

L10/650 Metal louvres

L10/54 Louvres

SKU Code

RSH-5700

Product range

CS Architectural Louvres - Rain Defence

Specification data - Aluminium louvre panel units

Size (l x w x d)

-

Manufacturer guidance

Insert length and width requirements or insert As drawing or As schedule.

Module dimensions (based on 1.5 kPa wind load):

  • Maximum height: 3600 mm*
  • Maximum width: 3600 mm*
  • Unit depth: 129 mm.

*For manual handling purposes maximum 80 kg per unit is recommended. Louvre weight is 25 kg/m², based on a 2 x 2 m module size.

Combine units to suit any requirements.

Material

All components to be one-piece members extruded from aluminium alloy 6063-T6 (nominal thickness of heads, cills, jambs and mullions to be minimum 1.91 mm; blades to be minimum 1.52 mm).

Finish

Milled.
Anodized, clear.
Anodized, colour.

Guidance for specification option:

Insert colour requirements.

Polyester powder-coated finish, matt, colour.

Guidance for specification option:

Insert colour requirements.

Standard for polyester powder-coated finishes.

30 gloss units.

Polyester powder-coated finish, gloss, colour.

Guidance for specification option:

Insert colour requirements.

70 gloss units.

Colour

As Finish.

Construction

Supplied as modules, mechanically assembled in the factory using stainless steel fasteners. Multiple module installations to include interlocking visible mullions with drainage channels.

Weather performance

-

Water penetration class (minimum)

To BS EN 13030, class A up to 3.0 m/s.

Guidance for specification option:

Class B at 3.5 m/s.

Discharge loss coefficient (minimum)

To BS EN 13030, class 3: Airflow coefficient Ce (entry): 0.309; Cd (discharge): 0.274.

Louvre configuration

-

Number of banks

One.

Blade orientation

Horizontal.

Blade pitch

51 mm.

Blade angle

Complex extruded blade profile.

Accessories

None.
Bird/ vermin guard, galvanized steel welded mesh.

Guidance for specification option:

Standard bird/ vermin guard. Pre-fitted welded aluminium frame included.

Stainless steel mesh available on request.


As guards of any type create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted to allow for this.

Bird/ vermin guard, expanded aluminium welded mesh.

Guidance for specification option:

Mill finish as standard, can be powder-coated in RAL colours to match louvre.

Pre-fitted welded aluminium frame included.


As guards of any type create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted to allow for this.

Insect mesh, PVC-coated fibreglass.

Guidance for specification option:

As standard; stainless steel mesh available on request.


As guards of any type create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted to allow for this.

Louvred door(s).

Guidance for specification option:

Insert requirements.

  • Manufactured to bespoke sizes and specifications.
  • Maximum size of a single door leaf is 2400 x 1200 mm (may vary per model type).
  • Single and double door configurations are available.
  • Door leaf frames filled with louvre blades to match the rest of the louvred facade.
  • Typically supplied with a door frame and pre-fitted hinges.
  • Other hardware, including locks, door closers etc. can be supplied.

Volume control dampers.

Guidance for specification option:

Contact manufacturer for available options and insert requirements.

Snap-on cover plate to close-off louvre frame.

Guidance for specification option:

Used to close off head frame, cill frame and/or jamb. Insert requirements.

Cill pan

Louvres to be supplied with a full depth cill pan with welded side panels, formed from 2 mm-thick aluminium.

Guidance for specification option:

Size to suit project requirements; consult manufacturer for details.

Blanking panels

Not required.

Single-skin aluminium panels, standard powder-coated black to one face only.

Guidance for specification option:

  • Standard.
  • 1.2 mm thick aluminium sheet.
  • Powder-coated face is on the louvre side, facing the exterior.

Single-skin aluminium panels, powder-coated black to both sides.

Guidance for specification option:

  • On request.
  • 1.2 mm thick aluminium sheet.

Single-skin aluminium panels, powder-coated to match louvre.

Guidance for specification option:

  • On request; specify colour/ finish required.
  • 1.2 mm thick aluminium sheet.

Single-skin aluminium panels, mill finish.

Guidance for specification option:

  • On request.
  • 1.2 mm thick aluminium sheet.

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Burglar resistance

Required (To EN 1627–1630, RC2).

Not required.

Blast resistance

Required.

Guidance for specification option:

Can withstand up to 86.87 kPa blast pressure at an impulse of 536.41 kPa/m²·ms.

Not required.

Sustainability data

Contains Red List materials

No

Material

Aluminium

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

55 %

Guidance for specification option:

Aluminium components are manufactured using minimum 55% recycled content (mix of pre- and post-consumer scrap).

Other aluminium options can be offered subject to minimum quantities, contact manufacturer to discuss your requirements.

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

Literature

CS Architectural Louvres (2025)

CS Architectural Louvres (2025)

CS RSH-5700 Rain Defence Louvre Product Sheet (02.25)

CS RSH-5700 Rain Defence Louvre Product Sheet (02.25)

Case studies

CS Louvres deliver efficient Airflow and Rain Defence at Met Office in Exeter.

CS Louvres deliver efficient Airflow and Rain Defence at Met Office in Exeter.

CS Rain Defence Louvres - Arkon Data Centre, Norway

CS Rain Defence Louvres - Arkon Data Centre, Norway

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