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A-3250 Ventilation Louvres

  • A-3250
  • 3D VIEW

A-3250

3D VIEW

128 mm deep, continuous-line ventilation louvre offering excellent airflow and some rain defence.

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ENTRY

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DISCHARGE

Classifications based on testing to EN 13030.

Features & Advantages

  • Simple blade design affords excellent airflow and low pressure drop
  • Hidden mullions for a continuous blade appearance on the façade
  • Blade braces are factory-fitted to mullions, ensuring correct spacing and speed of installation
  • Easy to install, delivered to site in component form
  • Optional perimeter flashings and cill pan can be supplied
View 3D Model
Download Datasheets
View Test Data

Specification Calculators

We've built 2 tools to help you with your specification process. One to help you calculate pressure drop for your chosen CS Louvre model, the other to help you calculate the area of louvre required for your project.
Pressure Drop Calculator
Louvre Area Calculator

KEY FEATURES

  • Blade orientation: Horizontal
  • Joint options:
    • Horizontal: invisible
    • Vertical: invisible
  • Louvre depth: 128 mm
  • Blade pitch: 75 mm
  • Weight: 11 kg/m2, based on a 2 m x 2 m module size
  • Maximum dimensions:
    • Standard blade width: 3000 mm*
    • Max height: not applicable
    • Mullions at max 1000 mm centres (based on 1.5 kPa wind load) and at joints between blade lengths

Download Technical Datasheet for detailed drawings.

Download Technical Datasheet

PERFORMANCE

EN 13030
  • Airflow Class: 1 (entry & discharge)
  • Airflow Coefficient Ce (entry): 0.400
  • Airflow Coefficient Cd (discharge): 0.434
  • Wind-Driven Rain Performance Class:
    • 13 m/s, 75 mm/hr = D up to 3.5 m/s
13030 Performance Datasheet

MATERIALS & FINISHES

MATERIALS
  • Aluminium alloy 6063-T6
  • Nominal thickness: 1.6 mm for blades, 3.18 mm for mullions
  • Aluminium components are manufactured with a minimum of 55% recycled content (mix of pre- and post-consumer scrap)
FINISH OPTIONS
  • Mill finish
  • Clear or colour anodised
  • Polyester powder-coated – matt (standard) or gloss

OPTIONAL EXTRAS

  • Perimeter flashings and cill pan
  • Blanking panels (single skin or insulated)
  • Bird / vermin guards, insect mesh
  • Louvred doors
  • Dampers
View all accessories

PROJEKTY

View All Louvre Projects

Vlastnosti

Guidance

The principal reason for using louvres is to allow the movement of air. But, louvre specification is a balance between form and function, with louvred façade appearance playing an important part in the selection process.

  • Louvre Specification Calculators
  • Performance Considerations
  • Design Considerations
  • Weather Louvre Testing
Learn more

Louvres

What's in the brochure
  • - Industry Leading Products
  • - Innovative New Design Options
  • - Detailed Technical Information
  • - Louvre Specification Guidance

+420 571 412 253
invista@invista.cz
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KONTAKT

INVISTA Craft s.r.o.
4. května 870
755 01 Vsetín
Tel: +420 571 412 253
Email: invista@invista.cz
www.invista.cz

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