Universal Louvre - 3UL

Colt 3UL is a triple‑bank louvre system engineered for maximum rain defence without compromising airflow. Available in shallow (50 mm) or deep (100 mm) front blade pitches, it offers integrated drainage through hollow mullions and a clip‑on design to accommodate thermal movement. Suitable for exposed facades, plant rooms in harsh environments, and architectural screening where weather resistance is critical.

Features and benefits:

• Triple‑bank blade design for maximum rain defence.
• Available in 50 mm (shallow) or 100 mm (deep) pitch.
• Integrated drainage via hollow mullions.
• Clip‑on blades accommodate thermal expansion.
• Corrosion‑resistant materials for durability.
• Suitable for harsh environments and exposed facades.

Performance Ratings

• Rain defence classification: Class A (up to 2.0 m/s suction velocity – BS EN 13030).
• Aerodynamic coefficient (Cv):
  • Air Inlet ≈ 0.194.
• Airflow resistance: Low, with enhanced rain protection.
• Free area: 57% depending on configuration (varies by size and pitch) using industry standard measurement.

Materials and finishes:

• Materials available:
  • Aluminium (standard – corrosion-resistant).
  • Mild or galvanized steel (optional).
  • Stainless steel (optional, 50 mm pitch only).
• Finish options:
  • Mill finish.
  • Polyester powder-coated (RAL colours).
  • Anodized aluminium.
  • Pre-coated steel to match cladding.

Design and construction:

• Blade type: Triple-bank roll-formed blades.
• Front blade pitch options:
  • Shallow: 50 mm.
  • Deep: 100 mm.
• Drainage: Integrated into hollow mullions, discharges via base.
• Mounting options: Surface-mounted, recessed, or integrated into cladding.
• Panel depth: 198 mm shallow and 250 mm deep, not including cill projection.
• Panel sizes: Modular and customizable.
• Fixing method: Clip-on blade system allows thermal movement and clean facade lines.
• Orientation options: Horizontal, vertical, or inverted blades.

Accessories and options:

• Bird guards or insect mesh.
• Blanking panels (single-skin or insulated).
• Acoustic louvre integration (CALM modules).
• Mitred corners and architectural framing.
• Doors, turrets, and custom-shaped panels.
• Optional decorative or perforated faceplates.

Installation and maintenance:

• Supplied as pre-assembled panels or flat-pack kits.
• Designed for quick installation with concealed fixings.
• Clip-on blades simplify handling and allow thermal expansion.
• Low maintenance: periodic cleaning ensures performance.

Testing and compliance:

• Tested to BS EN 13030:2001 and HEVAC 4th Edition (Test conditions: 13 m/s wind, 75 mm/hr simulated rainfall) and manufactured under ISO 9001.
• Rain defence classification:
  • Class A (up to 2.0 m/s suction velocity).
• Aerodynamic classification:
  • Cv Class 1–2.
  • Air Inlet ≈ 0.194.
• Test conditions:
  • Simulated wind: 13 m/s.
  • Rainfall: 75 mm/h.