Zonsteel duct panel thickness varies from 20mm to 100mm. As for the color, the options include plain, matte, bright or any RAL color of steel. Talk to us getting your favorite color scheme.
Langfang Clear Chemical are exported all over the world and different industries with quality first. Our belief is to provide our customers with more and better high value-added products. Let's create a better future together.
Zonsteel duct panel surface is flat with no bubbles. The full panel is covered by steel, even the two sides. The surface steel do not move, so that you will not expose the PU or phenolic foam.
Zonsteel duct panel packed in a carton box if the surface is aluminum foil. While when surface is steel, will be protected by PVC film, to avoid scratches or dents during shipping. Zonsteel loads the container very carefully. Each stack has an extra steel cable on it to prevent the duct panel from falling. The container floor and four corners have the extra EPS foam to prevent the impact from reaching the duct panels.
Zonsteel duct panel delivery time is 7-15 days, for any quantity.
This document is designed to answer the most commonly asked questions about Duct Panel including applications, benefits, materials used, specifications, warranty, and more.
For more information, we will be happy to answer any questions you may have about duct panel.
Duct panels are the elements used to form the ducts or carrier framework of heating, ventilation, and air conditioning (HVAC) system, they are used mainly to deliver air to the conditioned space, return air, and exhaust air. Duct panels are essential to residential, commercial and industrial air management system; their main function is to distribute cold and warm air throughout the building, while it ensure the best indoor air quality as well as thermal comfort. Duct panels are available in different types, dimensions, materials and shapes.
Figure 1: Duct Panel with Aluminum Foil Surface
Duct panels are mainly used to construct the ductwork system, which carries cold and warm air throughout different types of buildings including:
Residential Buildings
Ducts panels are essential to construct the heating, ventilation, and air conditioning (HVAC) systems of residential complexes, Houses, Apartments, Hotels, Dormitories, and all other housing needs.
Commercial buildings
A wide range of duct panels are available to suit all commercial buildings ductwork including supermarkets, workshops, food stores, etc.
Public Buildings
Duct panels are widely used for airports, stadiums, government buildings, health facilities, hospitals, laboratories, schools, universities, churches, etc. This is due to its thermal efficiency and lightweight which makes them essential parts for any air distribution system, air handling or indoor climate solutions.
Figure 2: The Applications Of Duct Panels, Duct systems
Duct Panel with Double Sides Aluminum Foil
This duct panel double sides facing with 0.04-0.1mm, suitable for duct system used for all kinds of buildings, such as hotel, shopping mall, office building, factory, villa and clean room level to 300,000.
Figure 3: Duct Panel with Double Sides Aluminum Foil
Duct Panel with Surface Smooth Steel / Aluminum Foil
This duct panel one side smooth color steel, and one side aluminum foil. Suitable for workshop and lab with cleanliness level 10 and level 100.
Figure 4: Duct Panel with Surface Smooth Steel / Aluminum Foil
Duct Panel Anti-Static And Anti-Corrosion
This duct panel is anti-static and anti-corrosion, suitable for the place with anti-static or anti-corrosion requirements, such as subway, tunnel, basement, etc.
Duct panels are an essential part of HVAC system, they are used mainly to ensure an acceptable thermal comfort and improve indoor air quality; they have a number of important benefits, including:
Durability
The long-term thermal, acoustical, and condensation control performance of heat and cooling system depends largely on the quality of materials used to manufacture duct panel systems, for this reason, different types of quality material are used including fiber structures, airstream surfaces, aluminum, polyurethane, silicone, rubber, PVC, neoprene-dipped polyester fabric, reinforced aluminum foil (FRK) and more. However, while duct panel systems are designed to offer a prolonged lifespan for HVAC equipment, a periodic maintenance is also required to increases the longevity of the system components and prevents undue wear and tear caused by dust or other particulates.
Cost savings
A duct panel system is an energy saving system that helps to maximize HVAC efficiency and reduce the energy cost of heating, cooling and ventilating. The whole duct panel system is designed to reduce running cost; it helps the HVAC equipment to runs at optimal performance, to eliminate air leakage and improves air tightness. A well designed and constructed duct panel system can make over 46.2% saving on operating cost.
Improved Air Quality
Duct panels are designed to improve the indoor air quality and remove airborne such as fungus, mold spores and bacteria. Antimicrobial technology and fibre-free core are used to protect the air stream surface from the spread and growth of bacteria, thus, duct panel are a hygienic system that helps to provide healthy environment and eliminate allergies and asthma.
Design Flexibility
Duct panels are mainly designed to increase airflow and provide maximum comfort, they can be designed either manually or by software to create specific shapes, makes the design compatible with any application requirements and reduce materials waste.
Vapor Barrier
Duct panels are designed to resist temperature, humidity and withstand harsh weather; materials such as reinforced aluminum foil (FRK) facing, PPGI, stainless steel and other protective materials can be used to create a vapor barrier and protect the exterior HVAC insulation from UV and weather.
Thermal Conductivity
The best insulation materials are used to produce duct panel are fiberglass, mineral wool, Polyisocyanurate (PIR), Polyurethane(PU), XPS, and Phenolic foam. The duct panel surface board is color steel, stainless steel or aluminum foil. All of the materials are carefully selected and tested to offer high thermal R-value performance.
Acoustical Performance
The highest quality soundproofing materials are used to produce acoustical duct panels that can effectively absorb unwanted ducts noise caused by vibration, expansion, contraction, or by pumping of hot and cold air. Duct panels are designed and produced to fulfill the requirements of the international acoustical standards.
Environmentally Friendly
Duct panel systems are made in compliance with green building standards, all materials used are resource-efficient and are manufactured under an environmentally responsible process from planning, design, quality control, inspection to delivery and after-sales support service.
Figure 5: Duct Panel with Double Sides Color Steel
A variety of high quality materials can be used to produce duct panels for Heating, Ventilation, and Air-Conditioning system, the most commonly used core materials are metal materials such as Galvanized steel, Aluminum (sheet metal), stainless steel, and non-metallic duct materials like special plastics, PVC, Polyurethane (PU), Phenolic foam, fiberglass and more. Duct panel properties are carefully selected and tested to provide high thermal and acoustical performance and help maintain good indoor air quality.
Non-metallic duct panels are sandwiched and laminated using embossed aluminum foil, aluminum cladding or multiple facings (ASJ, FRK) to reinforce both sides. Duct panel jacketing offers several advantages; it can ensure maximum protection from corrosion and vapor, while it can add an attractive finish to the duct panel system.
Tools such as Pins and Fasteners can be supplied also to install duct panels.
Duct panel systems are available in different specifications, size, shape and materials to suit a wide range of applications including integrated ducting system and traditional ducting system. The following types are the most commonly used for HVAC system:
Polyurethane (PU) air duct panels
Polyurethane (PU) air duct panels constitute an excellent alternative to traditional galvanized sheet metal; they are also ideal for applications with weight restrictions. Polyurethane is the core material used to produce a strong PU/PUR sandwich duct panel, while jacketing are made from various aluminum foil, AluZinc, P.P.G.I steel, stainless steel, insulated plastic and other type of waterproofing membrane can be applied over rigid board insulation materials. The duct panels are then shaped to form different types of ductwork.
Figure 6: PU Duct Panel
PIR Foam Air Duct Panels
PIR Foam air duct panel are Pre-insulated HVAC Duct Panels, they are also referred as PIR or Polyisocyanurate, they are produced from a thermoset plastic foam which is used as rigid thermal insulation, this material is similar to polyurethane (PUR), the only difference is the proportion of methylene diphenyl diisocyanate (MDI) which is higher and the polyester-derived polyol which is used instead of a polyether polyol. So that PIR has better warm insulation and has better fire resistance.
This type of duct panel systems is widely used in the ventilation systems of central air conditioning units, this is due to its robust ductwork material, high performance, lightweight, simple installation and considerable cost and space saving it offers.
Figure 7: PIR Duct Panel
XPS Air Duct Panels
XPS air duct panels fire rate is level B, density 36-42kg/m3. The water absorption less than 1.5%. The heat conductivity less than 0.03 w/m.k. The duct system made of XPS air duct panel, its air leakage less than 1.2%. The recyclability rate of XPS duct panel is 60-80%.
Figure 8: XPS Duct Panel
Phenolic Foam Air Duct Panels
Phenolic foam air duct panel is the alternative product of traditional insulated air duct, and upgrade product of single steel air duct. Surface with color steel sheet. It featured with good rigidity and strength like single steel air duct, and also like insulated air duct has good insulation, good sound absorption and noise reduction.
Zonsteel Phenolic foam air duct panel is one time foaming molding. Has better bonding strength, good uniformity and long service life.
IPS Duct Panel Systems
IPS duct panel systems are often referred to as Integrated Plumbing Systems (IPS), designed to enhance restrooms and are used to hide unsightly toilet piping used for on toilets cubicle or standing urinal are bespoke to each project, being made to customer’s specific sizes. They are available in different dimensions, colors and laminates.
Polyurethane (PUR) Air Duct Panels and PIR Foam Air Duct Panel can be faced with different types of smooth or embossed materials that can be selected according to application requirements as follow:
Aluminum foil
Duct Panels Aluminum foil is available in different embossed materials such as diamond embossed aluminum sheet/Coil; orange peel embossed aluminum sheet/Coil and stucco embossed aluminum sheet/Coil. Aluminum foil can be applied either to both sides with 0.04 mm to 0.1 mm thickness aluminum foil. Or one side aluminum foil and another side color steel or stainless steel.
Aluminum Claddings / Jacketing
A wide variety of Aluminum Cladding / Jacketing are protective film can be used to create a vapor barrier and protect insulation board from corrosion, UV exposure and weather in exterior applications.
ASJ Facing
ASJ Facing or All Service Jacket is the most commonly used facing method for the duct panel used for indoor HVAC ductwork; the ASJ facing is a light-weight aluminum foil made of flame-retardant vapor-barrier materials that constitute light-weight aluminum foil layered.
FRK Facing
FRK Facing is also known as Foil Reinforced Kraft Paper Jacketing or FSK paper (Foil, Skrim, Kraft), it’s a foil reinforced kraft paper or an aluminum protective membrane that is used as a vapor barrier of fiberglass and mineral wool insulation rigid board used on interior and exterior HVAC ductwork applications.
Color Steel
Color steel used as duct panel surface, could be 0.18mm to 0.6mm
Both sides or one side color steel, another side with aluminum foil.
Stainless Steel
Stainless steel used as duct panel surface, could be 0.4mm to 0.6mm
Both sides or one side stainless steel, another side with aluminum foil.
Colors
Silver, white, black and different colors are available.
Duct panels are available in multiple sizes, and can be manufactured to suit specific HVAC system’s size, applications and requirements. The full width is mm, length is no limit. For more information contact us now at:
Duct panels are designed and manufactured in compliance with the following international standards:
If you want to learn more, please visit our website Pre Insulated Duct Panel.
ICC International Mechanical Code
Duct panels shall comply with ICC International Mechanical Code for Duct systems used for the movement of air in air-conditioning, heating, ventilating and exhaust systems.
ASTM International Standards
Materials used in duct systems shall meet below standards and test procedures:
ASTM C – 09 ():standard Guide for Prefabricated Panel and H-bar Insulation Systems for Vessels, Ducts and Equipment Operating at Temperatures Above Ambient Air.
ASTM C518 – 17: standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus.
ASTM C: Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings.
ASTM G21: Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi.
ASTM G22: Standard Practice for Determining Resistance of Plastics to Bacteria.
UL 181 Class 1 Air Ducts
Duct panel materials shall fulfill all the requirements of UL 181 standard and testing methods must be applied to materials used in the fabrication of air duct and air connector systems.
Standards of the National Fire Protection Association
Duct panels shall comply to NFPA 90A and NFPA 90B which covers construction, installation, operation, and maintenance of air conditioning and ventilating systems, warm air heating and air conditioning including filters, ducts, and related equipment, to protect life and property from fire, smoke, and gases resulting from fire or conditions having manifestations similar to fire.
Yes, definitely. Duct panels shall be designed and engineered in accordance with the International Mechanical Code requirements of building heating, ventilation, and air conditioning systems design, installation, inspection, safety and public health. Additionally, to ensure the safety of mechanical systems, duct panels should be designed as per the Uniform Mechanical Code (UMC) guidelines for the installation, inspection and maintenance of heating, ventilating and air-conditioning systems (HVAC).
Zonsteel duct panels are certified by the most recognized Quality Management Systems including:
ISO : – Quality Management System Requirements for the manufacture and supply of HVAC duct panel systems.
ISO :– Environmental Management Systems Requirements for manufacturing and supply of HVAC duct panel systems.
And fire test report.
Absolutely, yes.
Duct panels are fire rated and produced to offer more safety to heating, ventilation and air conditioning (HVAC) systems and minimize the fire spread danger, fire retardant materials are used to provide more fire resilience and form a barrier between ducts and effectively prevent the passage of flames and smoke of HVAC systems. Duct panels shall comply with the fire protection standards of National Fire Protection Association Standards NFPA 90A and NFPA 90B. Also, duct panels hall be tested in accordance with the UL 723 and ASTM E84 Test for Surface Burning Characteristics of Building Materials, these testing methods helps to determine the indices for flame spread and smoke density of building materials.
Zonsteel duct panels fire rating as below,
Phenolic foam duct panel: A
PIR duct panel: B1
PU duct panel: B2
XPS duct panel: B1
Fiber glass duct panel: A
Mgo duct panel: A
Duct panels are environmentally-friendly, the foam and other materials used are eco-compatible and free from chlorofluorocarbons (CFCs) which harm the ozone layer. The best manufacturing technology are applied to offer a comfortable and healthy living low-carbon and low-energy buildings with low chemical emissions indoor air systems, while, all materials and practices used are for objective to reduce environmental footprint.
Duct panel systems can last from 15 to 30 years. Replacement is required at the end of its lifetime as the HVAC system’s efficiency will reduce and will naturally wear out and deteriorate.
Duct panel system can experience wear and tear with normal use and has a shelf life of 15 to 30 years and it is likely to be replaced every 15-30 years or even more if properly installed and maintained.
Duct panels should be installed correctly to ensure maximum mechanical integrity and longevity without causing any leaks, insulation failure, noise or any other maintenance issues. Moreover, a well designed duct panel system offers high thermal and acoustical performance, proper air distribution and economical heating and cooling.
Duct panels can be cutting to any shape by CNC machine, according to duct systems design. Then follow step as glue brush-seal-press-paste the adhesive tape-install flange-seal up.
Two skilled worker can install around 200 m2 straight duct panels in 8 hours working time.
Figure 9: Duct Panel Installation
Duct panel can be cleaned easily using one of the methods recommended by the North American Insulation Manufacturers Association (NAIMA)-Publication AH122 for Cleaning Fibrous Glass Insulated Duct Systems. This method utilize cleaning techniques such as Vacuum, Air washing, Power brushing, Cleaning HVAC equipment, Sanitizing, and Sealing to clean and maintain duct systems. However, duct panel maintenance can be professionally made by a specialized duct servicing firm or duct technicians, who will take in charge removing ductwork debris blockages, dust, mildew and mold; this will allow more air flow inside the building. Duct panel maintenance is essential for energy efficiency as faulty ductwork can increase energy bills due to air loss.
-If aluminum foil surface of duct panel appears dent and scratch, but not effect the duct panel function, can use aluminum sheet or aluminum tape to fix it.
-If appears hole on duct panel, cut this hole to regular shape such as square or rectangle and insert responding duct panel, seal it using aluminum tape.
-If damaged area is big, can replace it by same size duct panel.
You can see, only the damaged parts needs to be repaired, the rest is no need to deal with.
Figure 10 Easy to maintain Duct Panel
We deliver duct panel nationally and internationally. Confirmed orders placed with Zonsteel takes from 7 days to be delivered; while delivery time may vary depending to order size and duct panels specification and other requirements.
Duct panels cost vary significantly according to the panel thickness, insulation material type, and surface material type. Usually the aluminum foil surface is inexpensive than steel sheet surface.
Duct panels are covered by 1 year warranty and which includes structural performance, facing materials, thermal performance, and acoustic performance.
Zonsteel is the Chinese leader in manufacturing bespoke duct panels, insulation materials and composite solutions; we are based in one of the most strategic areas in Jiangsu, we utilize the most innovative technologies to deliver the most cost-effective and the highest quality duct panels to international clients. We are committed to provide sustainable heating, ventilation, and air conditioning (HVAC) duct panel solutions for residential, commercial and industrial applications. Our products are certified and proven to ensure the best indoor air quality system and offer the highest thermal and acoustical performance. Our duct panels are durable, antimicrobial and resistant to fire, they are manufactured to maximize energy efficiency and minimize maintenance cost.
1, Zonsteel duct panel suitable for rectangular air duct making. Also can be made to round air duct diameter more than 600mm, by bending machine.
2, Zonsteel duct panel should not be used in ventilation systems where the air medium exceeds 140 degrees for a long time.
3, Zonstseel duct panel is fit for operating temperature -40°C-80°C
4, When air duct system air pressure reach -Pa and even higher, Zonsteel cannot guarantee zero air leakage coefficient.
5, When air duct system is used outdoor, advise to use prepainted and galvanized steel surface sandwich duct panel to extent life span.
To make air duct will require accessories, such as PVC and aluminum channel, corner cover, end cover, connection kits, tray, aluminum or fiber glass tape and adhesive. Zonsteel can provide those accessories together with duct panels.
Figure 11 Duct Panel Accessories
Your ductwork or duct system helps circulate air throughout the building. It needs to be insulated to ensure that the air you receive in your home is warm enough to keep your indoors comfortable. It also makes your home more energy efficient. Buying duct insulation online can also help you offset your carbon, as you do not have to travel to the local store to buy the insulation yourself.
Ductwork or ducting system transports conditioned air throughout a structure. They are the channels via which cooled air from the air conditioner circulates and stale air is eliminated.
What are the common problems faced if your ductwork is not insulated?
When the duct system is left uninsulated in your office space or at home, it leads to ventilation issues. Unhealthy ventilation can cause more sick days and absences from work, as well as poorer productivity. Other issues, that may develop due to lack of duct insulation include:
Duct insulation has many benefits like:
With ductwork insulation, you not only save on energy costs and reduce heat loss but also reduce your carbon footprint and make your building more energy efficient.
In short, you reverse all the effects of uninsulated ductwork plus, enjoy other benefits including.
Buy Duct insulation
There are numerous solutions available on the market, each of which serves a distinct purpose. You may choose an option depending on requirements such as acoustic insulation, heat loss reduction, moisture and condensation control.
Fibreglass or glass mineral wool insulation provides excellent thermal and acoustic insulation to ductwork. It also provides exceptional fire resistance. Duct wraps made of mineral wool from Isover, enable a neat finish around ductwork.
They are flexible, lightweight rolls that are easy to install. A factory-applied aluminium foil front provides an inherent vapour barrier to this durable, glass mineral wool roll. The thermal insulation of the Isover climcover helps to avoid thermal losses and condensation.
Ideally, they are used to insulate both oval ductworks inside and outside the building. When used outside the building, an additional cover may be required.
Benefits :
They are non-combustible insulation slabs with factory-applied foil-facing to provide water vapour resistance throughout the ductwork. We offer duct insulation slabs from some of the best brands like Knauf and Rockwool.
Thermo-teK BD 060 Alu offers exceptional thermal, acoustic insulation to rectangular and square ductwork. It also provides excellent fire resistance, along with water vapour resistance. It is specially designed to tolerate extreme weather conditions and can be used to insulate ductwork outside the building.
It can resist high pressure and does not lose form with time. It enables technical maintenance on solar panels, air conditioning units.
Benefits :
Rockwool Ductslab is flexible, lightweight insulation, perfect for rectangular ductwork. The easy to install insulation offers excellent thermal insulation. It has a reinforced aluminium foil face which provides good quality vapour resistance. This solution is non-combustible and acoustically absorbent according to the A1 classification.
With a service temperature of up to 230°C, it is ideal for commercial and industrial applications. It makes the workplace quieter and more comfortable. It is used to insulate H&V systems, cold water storage, feed, and expansion tanks. Air conditioning, warm air, and extractor ducts, in plant rooms, boiler rooms, or outside are frequently insulated with Rockwool mineral wool duct insulation thermal insulation solutions. It is also used to provide thermal insulation and reduce the operational sound of ducts that carry fluids, gases, or particle solids at high velocities.
Benefits :
Manufactured with a high-performance rigid thermoset polyisocyanurate (PIR) core, the thermaduct solution from Kingspan is ideal for rectangular, circular and flat oval ductwork insulation. It is also used to provide HVAC insulation, other building solutions.
Thermaduct insulation boards are versatile and can be used across projects as new builds or refurbishment works. They are used in residential, industrial and commercial applications. They provide a cleaner, more precise fit than non-rigid glass or rock mineral fibre duct wrap.
Benefits :
Phenolic duct insulation from Kingspanis thin and efficient insulation, manufactured with a rigid thermoset phenolic insulating core. It is designed for use on rectangular, circular, and flat oval ductwork. It offers high thermal insulation and fire resistance.
Kingspan Phenolic Insulation Boards are suitable for a wide range of duct sizes and insulation requirements. At sites where ductwork supports and hangers are installed, they can withstand the loads produced by HVAC / building services ductwork. They are suitable for both indoor and outdoor applications, HVAC and building applications, plenums, and associated equipment.
Benefits :
Buy Duct insulation
As mentioned earlier, insulating your duct system can include many benefits for your home and your health. With the information provided in this blog, you can, hopefully, make an informed decision about the duct insulating material that would best suit your requirements.
For quality duct insulation products, visit us at https://www.buyinsulationonline.co.uk/. We offer free delivery on select postcodes for all technical insulation products. We also have a massive range of loft insulation, APR, wall insulation, pipe insulation products, and so much more at the lowest possible prices, all from the best brands in the UK. Hurry and get a limited 5% off on your very first order!
Are you interested in learning more about Steel And Timber Frame Phenolic Boards? Contact us today to secure an expert consultation!