高幟免保溫材PIRALU隔熱風管系統
GOLDEN FLAG PRE-INSULATED ALUMNIUM
DUCT BOARD

Comparison Chart -- PIRALU ducting vs Traditional ducting
 

PIRALU Ducting

Traditional Ducting w/ Insulations

Results

Thermal Insulation

 A perfect insulator(K=0.020 W/m.k) prevents thermal bridge effect and condensation problems.  Its excellent air-tightness improves energy efficiency.

Poor air-tightness

 

PIRALU ducting offers better energy-saving performance.

 

Fire Safety

Non-combustible and good fire resistance and fume opacity and toxicity is reduced to a minimum when exposed to fire.

Poor fire-resistance and the thermal insulator wrapped around the ductwork will produce smoke when exposed to high temperature.

PIRALU provide higher fire safety.

Weight

Weighing only 1.1kg/m2 ~ 1.4kg/m, equals to 1/6 the weight of GI w/ insulation.

GI ducting itself is heavier.  Much more so when wrapped with insulation.

PIRALU, with its high strength to weight ratio, is easy to transport and build. It is also economic in only requiring one support every 3 meters.

Corrosion Resistance and Aging

PIRALU is long life material and can withstands corrosion in the long term.

GI sheet corrodes and the insulation material wrapped outside the ducting tends to break off.

PIRALU, thanks to its good  resistance to corrosion,  is extremely versatile and requires min. maintenance costs.

Hygiene

PIRALU provides cleanliness throughout the ducting thanks to its aluminium surfaces. GI ducting tends to have dust particles problems. PIRALU provides high air quality and is suitable for clean rooms.

Installation

Easy to install and no need to add insulation hence saving time and labor.

Installation is highly time and labor demanding.

 

Using PIRALU can significantly shorten the installation (about 1/3~1/5 of traditional ducting).  It obviously saves time and labor and improves working safety.

Installation Cost

It is much economic in its no need of wrapping insulators.  This also reduces costs by shortening the installation.

Installation involves wrapping insulators and finishing work that demand much time and cost.

PIRALU requires much lower installation cast.  Plus its easy maintenance, it effectively reduces costs.

Noise

Rigid closed-cell foam panel ducting offers excellent sound insulation.

GI ducting has resonance and noise problems.

PIRALU guarantees excellent soundproofing.
Esthetic Effect

With its aluminium surfaces and by using invisible flanges or male/female cross joints, PIRALU ducting gives consistency and esthetics to building's appearance.

Its flanges and rough surfaces are unpleasant to the sight.

PIRALU ducting can be applied to visible installation and no further interior decoration job is  necessarily required.


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