

A high-quality polyurethane spray machine is an efficient solution for insulation, waterproofing, and surface protection projects, such as building roof insulation, cold room and cold storage construction, container houses, industrial floors, steel structures, and storage tanks. It is widely used in construction, cold storage, and industrial applications where seamless coating and energy efficiency are required.
What Is a Polyurethane Spray Machine?
A polyurethane spray machine is designed to mix and spray polyurethane materials at high pressure, allowing the material to react and form foam or coating directly on the surface. This process creates a continuous, seamless layer with strong adhesion.
Depending on the material used, the same equipment platform can also be configured as a polyurea machine, making it suitable for both insulation and protective coating applications.
| Model | YG-H-T50 | YG-H5600T | YG-H-T40 | YG-H5600 | YG-Q30 | YG-IIIH |
| Power Supply | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/220V | 380V/220V |
| Heating Power | 25 kW | 25 kW | 22 kW | 22 kW | 15 kW | 9.5 kW |
| Total Power | 29 kW | 29 kW | 26 kW | 26 kW | 15.5 kW | 9.5 kW |
| Drive Type | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Pneumatic | Pneumatic |
| Material Output | 2–8 kg/min | 2–8 kg/min | 2–12 kg/min | 2–12 kg/min | 2–10 kg/min | 2–10 kg/min |
| Air Supply | ≥0.6 m³/min | ≥0.6 m³/min | ≥0.6 m³/min | ≥0.6 m³/min | 0.5–1 MPa ≥1 m³/min | 0.5–0.8 MPa ≥0.9 m³/min |
| Max Output Pressure | 36 MPa | 36 MPa | 36 MPa | 36 MPa | 28 MPa | 25 MPa |
| A/B Ratio | 1:01 | 1:01 | 1:01 | 1:01 | 1:01 | 1:01 |
| Heating Temperature Range | 0–85°C | 0–85°C | 0–85°C | 0–85°C | 0–85°C | 0–80°C |
| Packaging Size (LWH) | 1350×1150×1650 mm | 1350×1150×1650 mm | 1250×1050×1500 mm | 1250×1050×1500 mm | 850×850×1650 mm | 850×850×1650 mm |
| Gross Weight | 420 kg | 420 kg | 350 kg | 350 kg | 200 kg | 205 kg |
| Air Compressor | – | 4 kW, 0.5 m³/min | 4 kW, 0.5 m³/min | – | 7.5 kW, 0.9–1.0 m³/min, 8 bar | – |


Key Features and Advantages
- High Efficiency and Uniform Spraying
The machine ensures precise ratio control and stable pressure, producing uniform foam or coating thickness. This improves insulation performance and surface protection quality.
- Strong Adhesion and Seamless Layer
Polyurethane spraying forms a continuous layer without joints, reducing thermal bridges and leakage points. This is a major advantage over traditional insulation boards.
- Flexible Material Compatibility
The machine can work with:
Polyurethane foam for insulation
Polyurea materials for waterproofing and anti-corrosion
This flexibility allows customers to handle multiple projects with one machine.
- Cost-Effective Investment
Compared with manual insulation methods, polyurethane spraying reduces labor costs and construction time. Many customers consider the polyurea spray machine price reasonable when factoring in long-term performance and durability.


Application of Polyurethane Spraying Equipment
🏠 Building and Roof Insulation
- Residential and commercial buildings
- Warehouse and factory roofs
- Energy-saving renovation projects
❄️ Cold Room and Cold Storage Insulation
- Cold rooms and refrigerated warehouses
- Cold storage panels and walls
In these projects, customers often search for a polyurethane foam machine for sale that can deliver stable insulation thickness and fast application.
🏭 Industrial Waterproofing and Anti-Corrosion
- Steel structures
- Storage tanks and pipelines
- Industrial floors and equipment
When used as a polyurea machine, the equipment provides excellent resistance to moisture, chemicals, and abrasion.


Chile Case: PU Spray Machine for Warehouse Insulation
A construction contractor in Chile was looking for an efficient insulation solution for warehouse roof renovation. The main challenges were:
- Large roof area
- Short construction schedule
- Need for durable insulation performance
After evaluation, YG Machinery supplied a polyurethane spray machine configured to handle both insulation foam and optional polyurea coating.
Project Results:
- Faster application compared with traditional insulation boards
- Improved thermal insulation performance
- Reduced labor cost and downtime
The customer later expanded usage to cold storage insulation projects, confirming the machine’s versatility and reliability.


Why Choose YG Polyurethane Spray Machines?
YG Machinery provides professional spraying solutions with:
- Stable machine structure and reliable components
- Clear operation system, suitable for new operators
- Custom configuration for different markets and materials
- Long-term technical support and spare parts supply
Our machines have been exported to multiple countries, including South America, the Middle East, and Southeast Asia.
FAQ – PU Spray Machine
Q1: Can one machine be used for both polyurethane and polyurea materials?
Yes. With proper configuration, the machine can work as both a polyurethane spray machine and a polyurea machine.
Q2: Is the polyurea spray machine price much higher than standard models?
The price depends on pressure level, output capacity, and configuration. However, the long service life and wide application range offer good value.
Q3: Is this machine suitable for small projects?
Yes. YG provides different models, including compact machines for small and medium projects.
Looking for a Reliable Polyurethane Spray Machine?
If you are searching for a professional polyurethane spray machine for insulation or protective coating projects, YG Machinery offers flexible solutions and competitive pricing.
Contact YG today to get technical details and a customized quotation.【WhatsApp/WeChat/Phone】+86 13837115193.









