Details

---

For commercial and industrial properties in Kuala Lumpur and Selangor, Roof Ventilation Service is a critical technical requirement rather than just a maintenance task. In our tropical climate, roof temperatures can exceed 70°C, creating a "Thermal Pressure Cooker" effect that traps heat, moisture, and industrial pollutants.

At EKG, we provide a specialized Ventilation Systems Audit and restoration service designed to optimize your building's "Natural Exhaust" and "Powered Spill" capabilities.

---

1. The EKG "Total-Envelope" Service Protocol

We don't just "clean the hoods." We perform a mechanical and aerodynamic restoration of the entire exhaust path:

• Internal Throat De-Scaling: KL’s high humidity and urban soot create a sticky film inside vent throats. A 5mm buildup increases air friction, "choking" your exhaust by up to 20%. We strip this "Soot-Paste" to restore laminar flow.

• Barometric Damper Calibration: For Gravity Relief Ventilators, we use digital manometers to adjust counterweights. We ensure they "crack open" at exactly +15 Pa—high enough to prevent AC leakage, but low enough to prevent fire doors from jamming.

• Bird & Debris Screen Restoration: We replace rusted or clogged mesh with high-flow 316 Stainless Steel screens. This is the #1 way to prevent fan motor overheating in powered units.

• Monsoon-Proof Sealing: We mechanically remove old, brittle silicone and apply High-Build Poly-Hybrid sealants. These remain flexible under extreme thermal expansion, preventing "Ghost Leaks" during evening storms.

---

2. The Energy & Operational Impact: The Cube Law

Our service is a direct optimization tool for your Variable Frequency Drives (VFDs) and overall energy costs.

• Reducing "System Effect" Losses: A dirty or poorly calibrated vent increases the Static Pressure ($P$) your fans must fight.

• The Logic: By "Un-choking" your roof vents, we lower the system resistance. This allows your supply and exhaust fans to maintain the required Air Changes per Hour (ACH) at a lower frequency (Hz).

• The ROI: Because of the Cube Law, reducing your fan speed by just 10% (via better relief efficiency) can cut your daily ventilation energy consumption by nearly 30%.

---

3. Ventilation Health Matrix (KL Standard 2026)

Component	Maintenance Standard	Failure Symptom
Aluminum Spun Vents	Seamless & De-Scaled	Trapped Ceiling Heat / Humidity
Relief Dampers	Balanced at +15 Pa	Heavy Fire Doors / Whistling Gaps
Intake Vents	>95% Free Area	Fan "Surging" / High Amp Draw
Mounting Curbs	Insulated & Sealed	Condensation Drips / Roof Leaks
Powered Axial Fans	Vibration < 2.8 mm/s	Bearing Failure / Motor Burnout

---

4. Why Trust EKG for Your KL Facility?

• BOMBA & UBBL Compliance: We provide the "Force-to-Open" logs required for your annual Fire Certificate (FC), proving your relief vents function correctly during smoke spill mode.

• Mechanical Restoration Path: If your vents are beyond cleaning, we are experts in Mechanical Fan Overhauls, offering on-site damper rebuilding and structural zinc restoration.

• 2026 Technical Tools: We use digital manometers, thermal imaging, and ultrasonic sensors to map your building’s pressure gradient.

• VFD-Energy ROI Projection: We provide a data-backed report showing the Ringgit savings achieved by "Slicking" your building's exhaust path.